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MC9S08QE64CLC - 8-Bit 64KB Flash 50MHz MCU | NXP
MC9S08QE64CLC

MC9S08QE64CLC - 8-Bit 64KB Flash 50MHz MCU | NXP

The NXP Semiconductors MC9S08QE64CLC is an 8-bit S08QE-series microcontroller with 64 KB of flash memory, a maximum stated frequency of 50 MHz, and a 32-pin LQFP package measuring 7 x 7 mm. The verified distributor listings identify an enhanced HCS08 CPU, CISC architecture, 26 general-purpose I/O pins, and a 10-channel 12-bit A/D converter. One NXP search result states operation up to 20 MHz for cost-sensitive automotive and consumer applications, while other distributor data identify a 50 MHz maximum frequency; application timing must therefore be checked against the complete manufacturer documentation. A microcontroller is a programmable system-on-chip that executes firmware, coordinates digital inputs and outputs, and integrates memory and peripherals into one compact device. The S08 MCU belongs to the broader 8-bit microcontroller hierarchy, where an enhanced HCS08 CISC core provides a straightforward architecture for cost-sensitive control systems. Its integrated flash stores application code, while RAM supports working data and the stack. Verified features include 64 KB of internal flash, 4 KB of internal RAM, 26 general-purpose I/O pins, a 10-channel 12-bit A/D converter, and an integrated LCD driver. These resources support mixed digital and analog products without requiring a separate ADC in designs that operate within the device's documented electrical limits. The S08 family description also identifies flexible clock options, although exact clock-tree limits were not supplied in the verified data. The MC9S08QE64CLC is positioned for automotive and consumer applications where compact integration, 8-bit control, and LCD support are useful. Potential uses include instrument-cluster sub-systems, small motor controllers, appliance interfaces, meter electronics, and low-cost embedded control panels. The 32-LQFP package exposes more I/O than a small leadless package and remains easy to assemble and inspect at prototype and repair stages. Designers should resolve the 20 MHz versus 50 MHz listing discrepancy before setting the final clock configuration. They should also confirm the exact pin functions, memory map, electrical limits, temperature grade, and package drawing from the official datasheet. Because the NXP product page labels the device End of Life, new production should be conditioned on lifecycle, availability, and last-time-buy review rather than treated as an unrestricted active part. This data page combines verified distributor specifications, lifecycle information, sourcing context, and engineering cautions. It distinguishes confirmed values from unavailable electrical details and does not infer missing pin assignments, timing margins, temperature limits, or certification claims. That distinction is especially important for a discontinued MCU, where hardware reuse must be validated at both software and schematic levels.

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MC9S08QE64CLH - 8-bit S08QE MCU, 64KB Flash, 50MHz | NXP
MC9S08QE64CLH

MC9S08QE64CLH - 8-bit S08QE MCU, 64KB Flash, 50MHz | NXP

The NXP MC9S08QE64CLH is a 64-pin LQFP-packaged 8-bit microcontroller from NXP's S08QE (Flexis) family, built around the HCS08 CPU core with BGND instruction and capable of running at up to 50 MHz. It integrates 64 KB of on-chip Flash, 4 KB of RAM, a 22-channel 12-bit ADC, an analog comparator, and up to 54 general-purpose I/O pins. Operating from a 1.8 V to 3.6 V supply with an industrial -40 C to +85 C temperature range, it is positioned as a cost-sensitive upgrade path that pairs an 8-bit core with select 32-bit-compatible peripherals in the same pinout. What is an 8-bit MCU? An 8-bit microcontroller (MCU) is a single-chip computer whose central processing unit manipulates data in 8-bit chunks. Within the broader semiconductor hierarchy, MCUs belong to the embedded processing class, sitting between simple discrete logic and 32-bit microprocessors. The HCS08 family evolved from the original HC08 instruction set and adds the BGND instruction for cleaner background-debug entry, along with enhanced index addressing and faster interrupt response, while preserving object-code compatibility with legacy HC08 code. The S08QE 'Flexis' sub-family is NXP's bridge between 8-bit S08 and 32-bit ColdFire V1, sharing pinout, peripherals, and a development toolchain between the two architectures. Key features of the MC9S08QE64CLH include: an integrated internal clock generator that eliminates an external crystal in many designs; a 12-bit successive-approximation ADC with up to 22 input channels; multiple serial interfaces (typically SCI/UART, SPI, and I2C); a 6-channel flex timer/PWM module; low-power run, wait, and stop modes with wake-up from interrupts or the real-time counter; and an integrated LCD driver that complements the GPIO complement for HMI-style designs. The S08QE architecture uses a 2-stage pipelined HCS08 core with a 25 MHz internal bus and instruction-efficient CISC encoding, giving effective throughput that competes with mid-range 8-bit parts. The 64 KB Flash supports in-application programming through a flash controller that handles erase and program sequencing autonomously, freeing the CPU during updates. An on-chip voltage regulator powers the core logic from a single external 1.8 V to 3.6 V rail, simplifying PCB power design. Typical applications include consumer white goods and appliance control panels, low-end industrial sensor nodes, battery-powered metering peripherals, USB-CDC/HID human-interface devices, and small-form-factor display controllers. Designers favor the S08QE family because the QFP-64 footprint also accepts the pin-compatible 32-bit ColdFire V1 counterpart (the Flexis concept), enabling a one-BOM layout that scales from 8-bit cost targets to 32-bit performance when firmware requirements grow. Designers should note that the LQFP-64 'CLH' suffix indicates a 10x10 mm industrial-temperature package, while the 'CLD' suffix is the smaller LQFP-48 variant - both share S08 silicon but differ in pin count and analog channel count. Always confirm flash security and TFS (tiny flash security) configuration in volume production, as the device supports a back-door key for field firmware updates that must be protected against unauthorized access. This page synthesizes distributor pricing for the 64-LQFP (10x10) package, identifies same-package drop-in alternatives across the S08QE family, and provides practical design notes for ADC sampling, low-power mode entry, and PCB layout that go beyond what the NXP reference manual contains.

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MC9S08QE8CFM - 8-Bit 20MHz MCU, 8KB Flash | NXP Semiconductors
MC9S08QE8CFM

MC9S08QE8CFM - 8-Bit 20MHz MCU, 8KB Flash | NXP Semiconductors

NXP Semiconductors MC9S08QE8CFM is an 8-bit S08 microcontroller with a 20 MHz maximum clock, 8 KB flash memory, 512 bytes of RAM, and a 32-pin QFN package measuring 4 mm by 4 mm. The device includes IIC, SCI, SPI, and a 10-bit ADC, making it suitable for compact embedded control, automotive, and industrial systems. A microcontroller is a programmable semiconductor that integrates a CPU core, memory, peripheral interfaces, and input/output ports on one integrated circuit. MC9S08QE8CFM belongs to the HCS08/S08 family, combining an 8-bit embedded CPU with serial communications and analog measurement. Its QFN surface-mount package supports compact PCB layouts, while the exposed-pad construction provides a practical thermal path when the device operates continuously. Key features include 8 KB of flash for program storage, 512 bytes of RAM, a 10-bit ADC, and communication interfaces including IIC, SCI, and SPI. A 1.8 V to 3.6 V operating range allows operation from low-voltage 3.3 V systems and compatible mixed-voltage industrial equipment. The 20 MHz clock specification supports responsive control tasks without requiring a larger external processor. The S08 architecture is intended for embedded applications where deterministic peripheral access, compact code, and low system complexity are more important than high-bandwidth processing. Serial interfaces allow the MCU to connect sensors, transceivers, displays, and external nonvolatile memory. The ADC supports cost-sensitive analog sensing, while GPIO resources allow direct control of switches, indicators, actuators, and digital communication lines. Typical uses include automotive body-control modules, industrial sensors, building controls, appliance controllers, battery-powered instruments, and compact communication equipment. In each case, the MCU consolidates control logic, analog measurement, and external communication into a small surface-mount footprint. Its 8 KB flash capacity is best matched to focused applications with compact firmware rather than extensive graphical interfaces or large protocol stacks. Design the PCB with a short ground return and a solid thermal path beneath the exposed pad. Confirm that the selected programming tools, clock configuration, interface levels, and firmware memory requirements match the device. Because NXP marks this exact orderable part as end of life, long-life programs should verify availability and planned migration before committing to new production designs. This page organizes the manufacturer lifecycle information, package characteristics, interface capabilities, application fit, and engineering trade-offs. It also distinguishes exact drop-in alternatives from merely similar 8-bit microcontrollers, helping engineers avoid assumptions based only on memory size, clock rate, or pin count.

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MC9S08QE8CLC - 8-bit S08 MCU 8KB Flash 20MHz 32-LQFP | NXP
MC9S08QE8CLC

MC9S08QE8CLC - 8-bit S08 MCU 8KB Flash 20MHz 32-LQFP | NXP

The NXP Semiconductors MC9S08QE8CLC is an 8-bit S08 (HCS08) microcontroller with 8KB flash memory, 512B RAM, and a maximum CPU frequency of 20MHz, housed in a 32-pin LQFP (7x7 mm) surface-mount package. An 8-bit microcontroller is a single-chip computer whose CPU processes data in 8-bit words, occupying the entry level of the microcontroller hierarchy: MCU -> embedded processor -> system-on-chip. The S08 core is NXP (formerly Freescale Semiconductor) enhanced successor to the 68HC08 architecture, using a CISC instruction set with an internal bus clock up to 10MHz (20MHz CPU rate). MCUs of this class integrate program flash, RAM, clocks, analog peripherals and I/O on one die, eliminating external memory chips in cost-sensitive embedded designs. Key features of the MC9S08QE8CLC include 8KB (8K x 8) of flash program memory with in-circuit reprogramming, a 10-channel 12-bit ADC that resolves inputs to 0.8mV steps on a 3.3V reference, 26 general-purpose I/O pins, and an integrated analog comparator. The internal clock source option removes the need for an external crystal in non-timing-critical applications, and the device belongs to the Flexis QE series, the first family in Freescale's Flexis series pairing pin-compatible 8-bit and 32-bit devices. Technically, the S08QE family combines the enhanced HCS08 CPU with low-power wait and stop modes, background debug via a single-wire interface, and a rich analog front end (12-bit ADC plus comparator) unusual for 8-bit parts. The 32-LQFP 7x7mm body offers 0.8mm pin pitch for hand-solderable prototyping. Typical applications include automotive body modules and sensor nodes, industrial control panels, appliance user interfaces, battery chargers, and low-power monitoring systems where the 12-bit ADC and comparator replace external analog components. Design consideration: the part is End-of-Life per the NXP product page, so new designs should verify remaining distributor stock or plan migration to a recommended successor; operating temperature is -40C to +85C, adequate for industrial but not full automotive profiles. This page synthesizes distributor pricing (DigiKey, Mouser, LCSC, Octopart), drop-in alternatives, lifecycle status, and practical design notes not found in the manufacturer datasheet.

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MC9S08QE8CPG - 8-Bit 20MHz MCU with 8KB Flash | NXP
MC9S08QE8CPG

MC9S08QE8CPG - 8-Bit 20MHz MCU with 8KB Flash | NXP

NXP Semiconductors MC9S08QE8CPG is an ultra-low-power 8-bit S08 microcontroller operating at up to 20 MHz, with 8 KB of Flash program memory, 512 bytes of RAM, a 1.8 V to 3.6 V supply range, and a 16-pin plastic dual in-line package. The device is associated with consumer, automotive, and industrial control applications and provides a compact platform for embedded control, peripheral integration, and low-voltage digital control. An 8-bit microcontroller is a programmable integrated circuit designed to execute control logic from embedded software. Its architecture combines a CPU, Flash program memory, RAM, digital I/O, timers, and communication peripherals in one package. The S08 family is positioned within the broader hierarchy of embedded processors, microcontrollers, and semiconductor-based control devices, making it useful for cost-sensitive systems that require deterministic peripheral access without the complexity of a higher-bit processor. The MC9S08QE8CPG combines a 20 MHz maximum clock speed with 8 KB of Flash and 512 bytes of RAM. Its 1.8 V to 3.6 V operating-supply range supports low-voltage embedded systems, while the 16-pin plastic DIP package simplifies through-hole assembly and prototype work. The NXP product page identifies integrated USB capability as part of the S08QE positioning, making the family relevant to USB-connected consumer accessories and compact control products. The S08 core provides an 8-bit processing architecture optimized for embedded control tasks. Flash memory retains programmed firmware without requiring a separate external memory device, and the 512-byte RAM provides working space for variables, stack operations, and short-lived data. Compared with larger MCU packages, the 16-pin DIP limits the number of externally accessible I/O pins, so designers should account for programming, debug, clock, reset, and communication requirements before finalizing a board layout. Typical uses include USB-connected consumer devices, industrial control modules, automotive accessories, keypad interfaces, compact sensor controllers, and low-voltage embedded products. Its small Flash capacity is most appropriate for focused control firmware rather than graphical interfaces, complex protocol stacks, or large data-processing workloads. The 20 MHz clock also supports faster peripheral servicing than many entry-level 8-bit controllers operating at substantially lower frequencies. For a new PCB, verify every pin function and alternate-function assignment against the manufacturer datasheet before routing signals. A through-hole package reduces assembly sensitivity to fine-pitch soldering, but a new compact design should still include adequate programming access, supply decoupling, a defined reset strategy, and any clock components required by the selected configuration. This page organizes the verified device characteristics, manufacturer documentation links, commercial inquiry path, and engineering guidance for the MC9S08QE8CPG. It also documents the availability of verified same-footprint alternatives, if any, without presenting a different package or a functionally similar microcontroller as a drop-in replacement.

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MC9S08QE8CTG - 8-Bit S08 MCU, 8KB Flash, 20MHz | NXP (Tape & Reel)
MC9S08QE8CTG

MC9S08QE8CTG - 8-Bit S08 MCU, 8KB Flash, 20MHz | NXP (Tape & Reel)

The NXP Semiconductors MC9S08QE8CTG is an 8-bit S08 microcontroller unit (MCU) delivering 8KB (8K x 8) of FLASH program memory, 512 bytes of RAM, and a 20 MHz S08 CPU core, housed in a 16-pin TSSOP package (4.40 mm width) supplied in tape-and-reel packaging. It operates from 2.5V or 3.3V supplies and provides 12 general-purpose I/O lines with an internal oscillator option. An 8-bit microcontroller integrates a processor core, memory, and peripherals on a single chip, sitting at the low-cost end of the embedded processor hierarchy (MCU -> embedded processor -> semiconductor IC). MCUs of this class execute control loops, read sensors, and drive actuators in cost-sensitive products where 32-bit processors are unnecessary. The NXP S08 family is a CISC 8-bit architecture descended from the venerable 68HC05/68HC08 lineage, with a rich peripheral set and mature, free-of-charge development tools including CodeWarrior and the low-cost multilink debuggers. Key features of the MC9S08QE8 include in-system programmable FLASH memory for field firmware updates, an internal oscillator that removes the need for an external crystal in non-timing-critical designs, low-power wait and stop modes for battery-operated products, and high-performance analog peripherals on board. The QE8 sub-family also integrates an LCD driver option, an on-chip voltage regulator, and analog peripherals per the NXP product page, making it versatile for display-based human interface products. Technically, the S08 core executes most instructions in a fixed number of cycles at up to 20 MHz bus speed, giving deterministic timing that simplifies real-time firmware design. The 512 x 8 RAM supports modest data buffering and stack depth, while the 8KB FLASH accommodates application code plus a bootloader. The 16-TSSOP (0.173 inch, 4.40 mm width) package keeps the footprint compact for two-layer PCBs and hand-solderable prototypes. Typical applications cited by distributors include low-power wireless sensor nodes, security systems and security sensors, personal health care devices, cell phone accessories, commercial smoke detectors, and toys. In each, the internal oscillator and low-power modes extend battery life while the 8-bit core handles simple control tasks. Design consideration: verify that your timing budget fits within the 20 MHz core speed and 512-byte RAM before selecting this memory-density option; the QE16 variant offers more FLASH in the same family if headroom is tight. This page synthesizes distributor pricing context, drop-in alternatives, and practical design notes beyond what the manufacturer datasheet alone provides.

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MC9S08QE8CTGR - 8-Bit S08 MCU, 8KB Flash, 20MHz | NXP
MC9S08QE8CTGR

MC9S08QE8CTGR - 8-Bit S08 MCU, 8KB Flash, 20MHz | NXP

The NXP Semiconductors MC9S08QE8CTGR is an 8-bit S08 microcontroller unit (MCU) delivering 8KB (8K x 8) of FLASH program memory, 512 bytes of RAM, and a 20 MHz S08 CPU core, housed in a 16-pin TSSOP package (4.40 mm width) supplied in tape-and-reel packaging. It operates from 2.5V or 3.3V supplies and provides 12 general-purpose I/O lines with an internal oscillator option. An 8-bit microcontroller integrates a processor core, memory, and peripherals on a single chip, sitting at the low-cost end of the embedded processor hierarchy (MCU -> embedded processor -> semiconductor IC). MCUs of this class execute control loops, read sensors, and drive actuators in cost-sensitive products where 32-bit processors are unnecessary. The NXP S08 family is a CISC 8-bit architecture descended from the venerable 68HC05/68HC08 lineage, with a rich peripheral set and mature, free-of-charge development tools including CodeWarrior and the low-cost multilink debuggers. Key features of the MC9S08QE8 include in-system programmable FLASH memory for field firmware updates, an internal oscillator that removes the need for an external crystal in non-timing-critical designs, low-power wait and stop modes for battery-operated products, and high-performance analog peripherals on board. The QE8 sub-family also integrates an LCD driver option, an on-chip voltage regulator, and analog peripherals per the NXP product page, making it versatile for display-based human interface products. Technically, the S08 core executes most instructions in a fixed number of cycles at up to 20 MHz bus speed, giving deterministic timing that simplifies real-time firmware design. The 512 x 8 RAM supports modest data buffering and stack depth, while the 8KB FLASH accommodates application code plus a bootloader. The 16-TSSOP (0.173 inch, 4.40 mm width) package keeps the footprint compact for two-layer PCBs and hand-solderable prototypes. Typical applications cited by distributors include low-power wireless sensor nodes, security systems and security sensors, personal health care devices, cell phone accessories, commercial smoke detectors, and toys. In each, the internal oscillator and low-power modes extend battery life while the 8-bit core handles simple control tasks. Design consideration: verify that your timing budget fits within the 20 MHz core speed and 512-byte RAM before selecting this memory-density option; the QE16 variant offers more FLASH in the same family if headroom is tight. This page synthesizes distributor pricing context, drop-in alternatives, and practical design notes beyond what the manufacturer datasheet alone provides.

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MC9S08QE8CWJ - 8-Bit 20MHz 8KB MCU | NXP | Automotive
MC9S08QE8CWJ

MC9S08QE8CWJ - 8-Bit 20MHz 8KB MCU | NXP | Automotive

The NXP Semiconductors MC9S08QE8CWJ is an 8-bit HCS08 microcontroller with 20 MHz maximum CPU frequency, 8 KB Flash memory, 512 bytes of RAM, and a 20-pin SOIC package. It is designed for low-power embedded control and includes integrated analog and serial-interface resources. An 8-bit microcontroller is a compact control platform that executes firmware to monitor inputs, operate actuators, and coordinate peripheral functions. The MC9S08QE8CWJ belongs to the S08 family and combines an HCS08 central processing unit with Flash program memory, RAM, communication peripherals, and analog conversion functions in one integrated circuit. This makes it suitable for compact control systems that require deterministic embedded processing without a larger external memory system. The verified product information identifies an 8-bit CPU operating up to 20 MHz and 8 KB of Flash memory. Mouser lists 512 bytes of RAM, while the NXP product page identifies ACMP, ADC, keyboard, IIC, SCI, and SPI interfaces. The documented operating range in the search data includes CPU operation from 3.6 V down to 1.8 V across a temperature range of 40 °C to 85 °C. These figures define the core suitability of the device for low-voltage embedded automotive and industrial control. The MC9S08QE8CWJ is marked End of Life by NXP. Engineers should therefore use the manufacturer product page to obtain current purchasing, shipping, discontinuation, and replacement information. The 20-SOIC package is useful when maintaining an existing footprint, but firmware, peripheral compatibility, operating conditions, and supply status must be checked before new production commitments. Typical applications include automotive body and accessory control, compact sensor interfaces, keypad or human-interface control, low-power monitoring, and small motor or actuator-control boards. The integrated ADC and ACMP allow a design to combine digital control with analog signal conditioning, while SCI, SPI, and IIC support communication with sensors, transceivers, or external controllers. For PCB design, confirm the exact pin assignments, supply requirements, decoupling recommendations, clock configuration, and programming interface from the manufacturer datasheet. Do not assume that a same-package replacement is firmware-compatible; verify peripheral mapping, memory behavior, interrupt vectors, and timing before substitution. This page combines the verified NXP, DigiKey, Mouser, and Mouser-datasheet information with practical sourcing and design guidance. Pricing is not supplied in the verified data, so the offer is presented without a fabricated price tier.

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MC9S08QE8CWL - 8-bit S08QE MCU, 8KB Flash, 20MHz, SOIC-28 | NXP
MC9S08QE8CWL

MC9S08QE8CWL - 8-bit S08QE MCU, 8KB Flash, 20MHz, SOIC-28 | NXP

The NXP MC9S08QE8CWL is an 8-bit HCS08 microcontroller from the S08QE Flexis series, delivering up to 20 MHz CPU performance across 1.8V to 3.6V operation, housed in a 28-pin SOIC W package. The device integrates 8KB of Flash program memory, 512 bytes of RAM, and a rich peripheral set including I2C, SCI, SPI, LINbus, PWM, LVD, and a 16-bit timer module for embedded control designs. What is an 8-bit microcontroller? An 8-bit MCU is a compact integrated processor that combines a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and configurable peripherals on a single die. Within the broader semiconductor taxonomy, it sits at the entry level of microcontrollers (MCU) below 16-bit (MSP430) and 32-bit (Cortex-M) architectures, and is widely used in cost-sensitive, deterministic, low-power applications where 32-bit performance is overkill. The S08 core from Freescale (now NXP) is a Harvard-architecture CISC core optimised for C-language code density. Key features of the MC9S08QE8CWL include 8KB on-chip Flash with in-application programmability, 512 bytes RAM, an HCS08 CPU capable of 50.33 MHz bus speed at 2.1V and 20 MHz CPU at 1.8V across -40C to +85C, 28 general-purpose I/O lines, multiple serial interfaces (one SCI, one SPI, one I2C), up to 6 PWM channels, a low-voltage detection (LVD) module, and an integrated 16-bit timer with capture/compare. The device supports single-wire background debug mode (BDM) for in-circuit programming and debugging. The S08QE family forms part of NXP's Flexis series - a pin-compatible 8-bit/32-bit device duo that lets designers migrate between HCS08 and ColdFire V1 cores without PCB changes. This dual-architecture strategy provides a clear upgrade path for cost-driven applications that may later require 32-bit performance. Internal architecture uses a 3-stage pipeline and a hardware multiplier for efficient arithmetic. Typical applications include automotive body electronics (LIN slaves, lighting controllers, sensor interfaces), consumer appliances (white goods HMI, motor control front-ends), industrial sensor hubs, and low-power handheld instruments where 8KB Flash and 512B RAM are sufficient. Its wide 1.8V-3.6V supply range makes it well suited to 2xAA battery systems. When designing with this part, ensure BDM debug pins (BKGD, RESET) are accessible for firmware development and that decoupling follows the 100 nF ceramic capacitor per VDD pin layout pattern. Reserve the SOIC-28 land pattern even if migrating to the 32-bit counterpart S08QE64 (ColdFire V1) later. This page synthesises distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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MC9S08QE96CFT - 8-Bit Flexis QE MCU 96KB Flash 50MHz | NXP
MC9S08QE96CFT

MC9S08QE96CFT - 8-Bit Flexis QE MCU 96KB Flash 50MHz | NXP

The NXP Semiconductors MC9S08QE96CFT is an 8-bit microcontroller from the Flexis QE (S08QE) family, integrating 96 KB of Flash program memory, an integrated LCD driver, touch-sensing interface, and ultra-low-power modes, delivered in a 48-pin QFN-EP (7x7 mm) package. The S08 core runs up to 50.33 MHz at 2.1 V supply and up to 20 MHz at 1.8 V, supporting industrial temperature operation. An 8-bit MCU is a microprocessor that fetches, decodes, and executes instructions on 8-bit data words, typically using a CISC architecture with on-chip Flash, RAM, and peripherals. Within the broader taxonomy, the MC9S08QE96CFT belongs to the 8-bit microcontroller -> HCS08 family -> Flexis QE series -> embedded microcontroller -> microcontroller IC -> semiconductor. The S08 architecture preserves backward compatibility with the legacy HC08 instruction set while adding BGND (background debug) for non-intrusive in-circuit debugging and extended low-power run, wait, and stop modes that are essential for battery-powered consumer and industrial designs. Key features of the MC9S08QE96CFT include 96 KB of on-chip Flash with security, 6 KB of SRAM, an integrated LCD driver supporting up to 96 segments, a 12-channel 12-bit ADC with internal bandgap reference, multiple timer/PWM modules (TPM), an SPI/I2C/UART communication trio, and on-chip capacitive touch-sensing hardware. Its power-management block supports run/wait/stop modes with wake-up from RTC or external interrupts, suitable for handheld consumer devices. The 48-QFN-EP (7x7 mm) exposed-pad package offers a compact footprint and a low thermal-resistance path for moderate dissipation. Architecturally, the device combines a 50 MHz HCS08 CPU with a 32 kHz internal clock source, a 1 kHz low-power oscillator, and an integrated voltage regulator, enabling single-supply operation from 1.8 V to 3.6 V. The Flexis QE pairing strategy (8-bit S08QE alongside 32-bit ColdFire V1) allowed engineers to migrate code along a shared peripheral set, although the ColdFire sibling is now the more common upgrade path. Typical applications include portable consumer devices with LCD displays (thermostats, handheld meters), touch-sensing user-interface panels (appliance HMI), battery-powered industrial sensors with LCD readouts, and remote keyless-entry or security keypads. Each of these benefits from the combination of integrated LCD, touch sensing, and low-power stop modes. A key design consideration is to allocate the LCD charge-pump capacitors per the reference manual and to leave adequate copper area under the QFN exposed pad for thermal and electrical ground. Designers should also verify the active supply range (2.1 V for full 50 MHz) versus low-voltage mode (1.8 V at 20 MHz) when selecting battery chemistries. This page synthesizes NXP product information, distributor pricing, drop-in Flexis QE alternatives, and practical design notes not found in the standalone datasheet.

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MC9S08QE96CLD 96KB 50MHz LCD 8-Bit MCU | NXP
MC9S08QE96CLD

MC9S08QE96CLD 96KB 50MHz LCD 8-Bit MCU | NXP

The NXP Semiconductors MC9S08QE96CLD is an 8-bit HCS08 microcontroller with 96 KB of flash memory, a 50 MHz maximum clock, an integrated LCD driver, and a 44-pin LQFP package. It is designed for low-power embedded applications requiring display integration, including meters, appliances, industrial controls, and compact user-interface systems. Verified distributor results identify the part as an active S08QE-family device with 28 I/O ports and a supply range of 1.8 V to 3.6 V. A microcontroller is a programmable system-on-chip that combines a CPU core, memory, peripherals, and input/output interfaces in one integrated component. The HCS08 core provides an 8-bit architecture suited to compact control tasks, while flash memory supports firmware storage and field programming. The integrated LCD driver is especially useful when the target product needs a local display without a separate display controller. Key characteristics include 96 KB of flash, a listed 50 MHz clock rating, 28 I/O ports, and 44-pin LQFP packaging. One verified specification source lists a 16 MHz clock for this device, while another distributor listing states 50 MHz; this discrepancy is preserved rather than resolved by assumption. The available data also states that the CPU supports a 50.33 MHz operating point down to 2.1 V and a 20 MHz operating point down to 1.8 V, so firmware and board validation should use the manufacturer’s complete clocking guidance. Typical applications include low-voltage display modules, instrument panels, handheld controllers, simple industrial interfaces, and appliance control boards. The LCD driver simplifies display-oriented designs, while the 8-bit CPU and flash memory provide adequate resources for embedded sequencing, sensing, and user-interface logic. The principal design consideration is confirming the exact clock, memory, LCD, and peripheral configuration against the relevant NXP datasheet before release. This page consolidates distributor pricing references, package information, source links, and design guidance rather than inventing unverified electrical details.

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MC9S08QE96CLH - FLEXIS 8-bit MCU, 96KB Flash, 50MHz, LQFP-64 | NXP
MC9S08QE96CLH

MC9S08QE96CLH - FLEXIS 8-bit MCU, 96KB Flash, 50MHz, LQFP-64 | NXP

The NXP MC9S08QE96CLH is an 8-bit microcontroller from the FLEXIS S08QE family featuring an enhanced HCS08 CPU core, 96 KB of on-chip Flash program memory, 4 KB of RAM, and a maximum bus frequency of 50 MHz (equivalent to 25 MHz core). It is housed in a 64-pin LQFP (10x10 mm, 0.5 mm pitch) package and supports an operating voltage range of 2.4 V to 3.6 V. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash), data memory (RAM), and a set of peripheral modules (ADC, timers, communications, I/O) into one device. Within the embedded hierarchy, the MC9S08QE96CLH sits in the microcontroller > 8-bit MCU > HCS08/CISC MCU > low-power MCU > FLEXIS product line > NXP semiconductor branch. The FLEXIS series was NXP's first pin-compatible 8-bit/32-bit device duo, designed to allow code migration between S08QE and ColdFire V1 by reusing the same PCB and peripheral map. Key features include 56 general-purpose I/O pins, a 10-channel 12-bit successive-approximation ADC, two SCI (UART) modules, one SPI peripheral, one I2C bus interface, a multi-timer module with PWM capability, an integrated USB 2.0 full-speed device controller, and an on-chip oscillator with internal clock generation. The device also integrates a real-time counter, a keyboard interrupt module, and a cyclic redundancy check (CRC) module. Architecturally, the S08QE core uses a CISC-style variable-length instruction set running up to 50.33 MHz bus speed. Internal voltage regulation (1.8 V core from 2.4-3.6 V supply) and configurable low-power stop modes (typical STOP current < 1 µA) make the device particularly suited to USB-powered and battery-fed applications. Typical applications include USB HID peripherals (keyboards, mice, game controllers), low-end point-of-sale terminals, industrial sensor nodes, ZigBee/802.15.4 protocol controllers, and consumer appliances requiring USB connectivity. The dedicated USB transceiver plus internal 3.3 V regulator minimizes external component count. When designing with this part, ensure the VDD/VSS decoupling uses a 0.1 µF ceramic capacitor within 5 mm of each supply pin and that the D+/D- lines are routed as a 90-ohm differential pair. The USB internal regulator requires a bulk capacitor on the USB voltage output pin per NXP application note guidance. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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MC9S08QG44CDTE - 8-bit S08QG MCU, 4KB Flash, 20MHz | NXP | 16-TSSOP
MC9S08QG44CDTE

MC9S08QG44CDTE - 8-bit S08QG MCU, 4KB Flash, 20MHz | NXP | 16-TSSOP

The NXP MC9S08QG44CDTE is an 8-bit S08 microcontroller from the S08QG family, integrating 4KB (4K x 8) of Flash program memory and 256 bytes of RAM in a 16-pin TSSOP surface-mount package. It operates at a maximum CPU frequency of 20 MHz with a supply voltage range of 2.5 V to 3.3 V and supports 12 general-purpose I/O pins for compact embedded designs where board area is constrained. The device includes an 8-channel, 10-bit Analog-to-Digital Converter (ADC), one I2C bus, one Serial Communications Interface (SCI, UART-compatible), and one Serial Peripheral Interface (SPI). These integrated peripherals make MC9S08QG44CDTE a complete System-on-Chip for cost-sensitive control applications. An 8-bit microcontroller (MCU) is a single-chip computer optimized for control-oriented tasks in embedded systems where deterministic behavior, low power consumption, and minimal external component count are more important than raw computational throughput. Within the broader product taxonomy, an 8-bit MCU belongs to the microcontroller category, which sits under microcontrollers and processor ICs in the Integrated Circuits family. The S08 core used in MC9S08QG44CDTE is a CISC (Complex Instruction Set Computer) architecture with a Harvard memory layout, designed by NXP (formerly Freescale) for ultra-low-power and small-footprint applications. Compared with 32-bit ARM Cortex-M0 MCUs, an 8-bit S08 part consumes substantially less active current per MHz and has a smaller code footprint for equivalent control functions. Key features of the MC9S08QG44CDTE include on-chip in-circuit programmable Flash with security lock, an internal clock generator with optional external crystal support, hardware Low-Voltage Detect (LVD), and a robust set of timers. The integrated 10-bit ADC simplifies analog sensor interfacing without external converters. With 12 GPIO arranged across the 16-TSSOP pinout, designers can implement applications such as user-interface nodes, sensor readers, and small motor controllers. Typical applications for this part include small home appliances, sensor interface modules, LED lighting controllers, remote control units, battery-powered IoT sensor nodes, and consumer electronics sub-systems. The combination of low power, integrated peripherals, and a tiny 16-TSSOP package makes MC9S08QG44CDTE suitable where board real estate, BOM cost, and energy budget are tightly constrained. When designing with this device, ensure the supply rail is decoupled with a 100 nF ceramic bypass capacitor close to VDD and VSS, and configure unused pins as outputs to minimize quiescent current. Compared with ARM Cortex-M0+ equivalents, the S08QG platform offers a smaller instruction set, simpler peripheral programming model, and lower per-unit cost in high volume. This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design notes (supply decoupling, ADC input filtering, low-power configuration) beyond what the manufacturer datasheet PDF alone provides, enabling faster sourcing and design decisions.

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MC9S08QG4CDNE - 20MHz 8-Bit 4KB Flash MCU | NXP
MC9S08QG4CDNE

MC9S08QG4CDNE - 20MHz 8-Bit 4KB Flash MCU | NXP

The NXP Semiconductors MC9S08QG4CDNE is an 8-bit S08 microcontroller with a 20 MHz HCS08 central processing unit, 4 KB of Flash program memory, and a 1.8 V to 3.6 V supply range. It is packaged in an 8-pin SOIC and provides six I/O ports for compact embedded control designs. A microcontroller is a semiconductor that integrates a CPU, nonvolatile program memory, data memory, and peripherals into one embedded-processing device. The S08QG belongs to the low-power S08 8-bit architecture, using the HCS08 instruction set with an added BGND instruction. This product hierarchy places the device among MCUs, embedded processors, integrated circuits, and general-purpose semiconductor control components. The verified device features include a 20 MHz clock, 4 KB Flash organized as 4K x 8, six I/O ports, and a 1.8 V to 3.6 V operating supply range. Its background debugging system supports breakpoint capability during in-circuit debugging, while the small SOIC-8 package suits space-constrained control boards. These characteristics support economical designs that need more timing margin than an 8 MHz-class part without adopting a larger 16- or 32-bit MCU. The S08QG family is positioned for low-power embedded control and battery-powered equipment. Verified search information identifies serial interfaces and other peripherals as typical family resources, but exact peripheral assignments and electrical limits require confirmation in the manufacturer documentation before schematic release. Designers should also check programming, reset, clock, and debug requirements against the selected board architecture. Typical uses include compact sensor controllers, simple actuator interfaces, battery-powered instruments, low-cost embedded nodes, and control logic where an 8-bit CPU, 4 KB Flash, and few I/O pins are sufficient. The 20 MHz operating speed provides useful headroom for interrupt-driven input handling and peripheral coordination in small systems. PCB implementation should preserve the manufacturer's recommended decoupling and exposed routing requirements even though this is an SOIC package. Confirm pin multiplexing, supply sequencing, clock configuration, and programming signals from the datasheet; those values were not included in the supplied verified snippets. This page combines the verified NXP and distributor identity, package, clock, memory, voltage, and status data with package-consistent sourcing guidance and explicit data gaps. It does not invent pricing, pin functions, electrical limits, or replacement parts where the supplied evidence is incomplete.

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MC9S08QG4CDNER - 20MHz 8-Bit 4KB Flash MCU | NXP (Tape & Reel)
MC9S08QG4CDNER

MC9S08QG4CDNER - 20MHz 8-Bit 4KB Flash MCU | NXP (Tape & Reel)

The NXP Semiconductors MC9S08QG4CDNER is an 8-bit S08 microcontroller with a 20 MHz HCS08 central processing unit, 4 KB of Flash program memory, and a 1.8 V to 3.6 V supply range. It is packaged in an 8-pin SOIC and provides six I/O ports for compact embedded control designs. A microcontroller is a semiconductor that integrates a CPU, nonvolatile program memory, data memory, and peripherals into one embedded-processing device. The S08QG belongs to the low-power S08 8-bit architecture, using the HCS08 instruction set with an added BGND instruction. This product hierarchy places the device among MCUs, embedded processors, integrated circuits, and general-purpose semiconductor control components. The verified device features include a 20 MHz clock, 4 KB Flash organized as 4K x 8, six I/O ports, and a 1.8 V to 3.6 V operating supply range. Its background debugging system supports breakpoint capability during in-circuit debugging, while the small SOIC-8 package suits space-constrained control boards. These characteristics support economical designs that need more timing margin than an 8 MHz-class part without adopting a larger 16- or 32-bit MCU. The S08QG family is positioned for low-power embedded control and battery-powered equipment. Verified search information identifies serial interfaces and other peripherals as typical family resources, but exact peripheral assignments and electrical limits require confirmation in the manufacturer documentation before schematic release. Designers should also check programming, reset, clock, and debug requirements against the selected board architecture. Typical uses include compact sensor controllers, simple actuator interfaces, battery-powered instruments, low-cost embedded nodes, and control logic where an 8-bit CPU, 4 KB Flash, and few I/O pins are sufficient. The 20 MHz operating speed provides useful headroom for interrupt-driven input handling and peripheral coordination in small systems. PCB implementation should preserve the manufacturer's recommended decoupling and exposed routing requirements even though this is an SOIC package. Confirm pin multiplexing, supply sequencing, clock configuration, and programming signals from the datasheet; those values were not included in the supplied verified snippets. This page combines the verified NXP and distributor identity, package, clock, memory, voltage, and status data with package-consistent sourcing guidance and explicit data gaps. It does not invent pricing, pin functions, electrical limits, or replacement parts where the supplied evidence is incomplete.

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MC9S08QG4CDTE - 20MHz 8-Bit 4KB MCU | NXP
MC9S08QG4CDTE

MC9S08QG4CDTE - 20MHz 8-Bit 4KB MCU | NXP

The NXP Semiconductors MC9S08QG4CDTE is an 8-bit S08 CISC microcontroller rated at 20 MHz, with 4 KB of flash program memory and a 16-TSSOP package. The verified distributor listing identifies it as the S08QG low-power MCU family member with a 1.8 V to 3.6 V supply range. Its combination of flash memory, a compact surface-mount package, and an HCS08-compatible instruction set suits compact control and battery-powered products. A microcontroller is a programmable embedded-system component that integrates a CPU, memory, I/O, and peripherals on one semiconductor die. The S08 belongs to the 8-bit MCU hierarchy and uses a CISC architecture, meaning instructions execute through a defined internal sequence. The S08QG family adds compact packaging and low-power characteristics for embedded controls, while the enhanced HCS08 core and background debugging support target cost-sensitive applications that still require development features. The verified data identifies 20 MHz operation, 4 KB of flash, 8-bit processing, and 6 I/O ports. The family documentation also identifies serial interfaces and peripherals for communication and control. At 1.8 V to 3.6 V, the device can operate from common low-voltage rails used in embedded products. The 16-TSSOP package supports compact PCB layouts, but the exact pin functions, RAM size, EEPROM size, and complete timing limits are not stated in the supplied search data and should be confirmed in the manufacturer datasheet. Typical applications include low-cost battery-powered controllers, compact sensor interfaces, simple keypad and LED control, small appliance controls, and embedded products requiring an 8-bit MCU with flash memory. Its 20 MHz CPU provides a defined performance point, while the low-power family positioning makes it appropriate where simplicity and compactness matter more than high processing bandwidth. When designing around the MC9S08QG4CDTE, confirm the exact package pinout, memory map, reset behavior, clock configuration, peripheral allocation, and programming requirements against the manufacturer datasheet and reference manual. Use the supported S08 toolchain and programming/debug adapter for production programming. Distributor availability and lifecycle status should be checked before committing to a new design because the verified NXP page indicates an end-of-life overview. This page consolidates verified distributor specifications, lifecycle information, sourcing links, and design-oriented context for engineers evaluating the MC9S08QG4CDTE. Missing detailed electrical, timing, and pin-level values are explicitly marked for data completion rather than inferred from the target MPN.

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MC9S08QG4CFFE - S08 8-bit MCU 4KB Flash 20MHz | NXP
MC9S08QG4CFFE

MC9S08QG4CFFE - S08 8-bit MCU 4KB Flash 20MHz | NXP

The NXP MC9S08QG4CFFE is an 8-bit HCS08 microcontroller with 4KB (4K x 8) FLASH program memory, a 20MHz S08 CPU core, and 16-terminal QFN-EP (5x5 mm) package operating from 2.5V or 3.3V supplies. An 8-bit microcontroller is a single-chip computer that integrates a processor core, program memory (flash), data RAM, and peripherals such as timers, ADC, and serial interfaces on one die. Microcontrollers sit at the lowest level of the embedded-system hierarchy - below 16/32-bit MCUs and application processors - and are chosen where cost, pin count, and power matter more than raw throughput. The S08 family is NXP (formerly Freescale) architecture descending from the HC08 instruction set. Key features of the MC9S08QG4CFFE include the 20-MHz HCS08 CPU with the HC08 instruction set plus an added BGND instruction, an on-chip background debugging system supporting in-circuit debugging, and breakpoint capability with one breakpoint during in-circuit debugging plus additional on-chip breakpoints. The S08QG family provides serial interfaces and peripherals normally found in higher-end devices, all in a very small package, making S08QG devices a strong fit for battery-powered designs. Technically, the device belongs to the S08 Family, S08QG Series (QG Series) of the S08 core architecture, a CISC 8-bit core with flash-based program storage. The QFN package code is HVQCCN (square, no-lead), 16 terminals, no-lead terminal form, industrial temperature grade, shipped in trays. Typical applications include small battery-powered appliances, simple consumer electronics, low-cost sensing nodes, and replacement/continuation builds for legacy S08QG-based boards. Design consideration: this part is End of Life per the NXP product page. Plan last-time-buy quantities or qualify a replacement before new designs. This page consolidates verified distributor listings, lifecycle status, drop-in alternatives, and design guidance not found in any single manufacturer or distributor source.

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MC9S08QG4CFKE - 8-bit MCU, 4KB Flash, 20MHz, 24-QFN | NXP
MC9S08QG4CFKE

MC9S08QG4CFKE - 8-bit MCU, 4KB Flash, 20MHz, 24-QFN | NXP

The NXP MC9S08QG4CFKE is an 8-bit S08 microcontroller (MCU) with 4KB of Flash memory, 20MHz HCS08 CPU core, and 24-pin QFN-EP (4x4 mm) package. Part of the low-power S08QG family, it integrates a background debug system, single-breakpoint capability, and the standard HCS08 instruction set with the added BGND instruction for in-circuit debugging. An 8-bit microcontroller (MCU) is a small, self-contained computer-on-a-chip that integrates a CPU, memory (Flash/RAM), and peripherals (timers, ADC, communication interfaces) into a single IC. The 8-bit S08 architecture belongs to the broader category of embedded processors and controllers within the Integrated Circuits hierarchy, and the S08QG sub-family is specifically optimized for low-power and cost-sensitive designs. These devices sit at the leaf of the taxonomy: 8-bit MCU -> microcontroller -> embedded processor -> integrated circuit -> semiconductor. Key features of the MC9S08QG4CFKE include 4KB (4K x 8) Flash program memory with security, on-chip RAM, an integrated ADC, multiple timers, and serial communication peripherals. The supply voltage range of 1.8V to 3.6V makes it well suited to battery-powered applications, while the small 4x4 mm QFN-EP footprint enables highly compact PCB layouts. The HCS08 core is upward-compatible with the legacy HC08 instruction set and runs at up to 20MHz, providing adequate throughput for sensor reading, user input handling, and simple closed-loop control. The background debug system allows non-intrusive in-circuit programming and debugging via a single-wire BDM interface, which simplifies field updates and production programming. Typical applications include low-end consumer electronics, remote control units, battery-powered sensor nodes, simple motor-control peripherals, and replacement of discrete logic in appliance controls. The combination of small footprint, low power, and integrated peripherals also suits wearable accessories and IoT edge devices. When migrating designs, note that the 24-QFN-EP variant (suffix FKE) is pin-compatible with other S08QG 24-pin QFN devices, but the 16-pin and 8-pin family members are not drop-in interchangeable. Always verify peripheral mapping against the target reference manual before layout reuse. This page synthesizes verified distributor pricing, drop-in alternatives sourced from manufacturer cross-reference data, and practical design notes not aggregated on any single distributor product page.

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MC9S08QG4CFQE - 20MHz 8-Bit MCU | NXP | Embedded Control
MC9S08QG4CFQE

MC9S08QG4CFQE - 20MHz 8-Bit MCU | NXP | Embedded Control

NXP MC9S08QG4CFQE is an 8-bit S08 microcontroller built for compact embedded-control and battery-powered products. It combines a 20 MHz HCS08 central processing unit, 4 KB of Flash program memory and an 8-lead DFN exposed-pad package measuring 4 mm by 4 mm. Its 1.8 V to 3.6 V supply range supports low-voltage embedded systems, while six I/O ports provide compact control and sensing connectivity. The package combines the DFN family with a surface-mount form factor suitable for space-constrained boards. A microcontroller is a programmable semiconductor that integrates a CPU, memory and peripherals on one die. The MC9S08QG4CFQE belongs to the S08QG family of 8-bit flash MCUs, a practical choice when a product needs deterministic control, modest program storage and low peripheral overhead rather than a high-performance processor. The S08 architecture uses a compact instruction set suited to appliance controls, portable products and small automation nodes. Verified product information identifies a 20 MHz clock, 4 KB Flash memory, six I/O ports and a 1.8 V to 3.6 V operating supply. The HCS08 core includes background debugging and breakpoint support, while the S08QG family is described as suitable for battery-powered devices. These features let designers integrate firmware development and hardware diagnostics without relying on a larger external system. The device's 4 mm by 4 mm 8-DFN-EP package helps minimize PCB area, but the exposed pad requires deliberate thermal and layout treatment. Because this MCU combines low-voltage operation, limited I/O and modest Flash capacity, design decisions should center on workload fit, pin multiplexing and power budgeting. The 20 MHz CPU provides useful timing headroom for small control loops, serial communication and peripheral servicing. Typical uses include battery-powered sensor nodes, compact appliance controls, simple motor-control front ends, low-cost embedded modules and small industrial control boards. It is best suited to designs whose firmware fits within 4 KB and whose external interfaces can be implemented through the available six I/O ports. The low operating voltage also makes system-level supply and sleep-current decisions especially important. For a robust layout, connect the exposed pad to the appropriate ground plane, place decoupling close to the supply pins and verify signal integrity on external buses. Firmware development should account for the limited Flash budget and validate debug access during bring-up. This page consolidates verified distributor and manufacturer information with sourcing context and design guidance for compact embedded systems.

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MC9S08QG4CPAE - 8-bit HCS08 MCU, 4KB Flash, 20MHz | NXP
MC9S08QG4CPAE

MC9S08QG4CPAE - 8-bit HCS08 MCU, 4KB Flash, 20MHz | NXP

The NXP MC9S08QG4CPAE is a low-cost, high-performance 8-bit microcontroller from the S08QG family, built on the enhanced HCS08 CPU core and housed in an 8-pin PDIP (CPAE) through-hole package. It runs at up to 20 MHz, integrates 4 KB of Flash program memory and 256 B of RAM, and operates from a 1.8 V to 3.6 V supply rail. The MCU provides 6 general-purpose I/O pins, a 4-channel 10-bit ADC, an internal clock source, and a background-debug interface for in-circuit development. An 8-bit microcontroller is a small, single-chip computer built around an 8-bit data path that integrates a CPU, non-volatile program memory (typically Flash), volatile data memory (RAM), peripherals such as timers and ADC channels, and digital I/O into one package. Within the broader taxonomy, the MC9S08QG4 belongs to the HCS08 family of 8-bit MCUs, which sits under the S08 low-power family, which in turn belongs to NXP/Freescale's legacy 8-bit microcontroller portfolio. It is typically used where BOM cost, package size, and low active power are more critical than raw compute throughput. Key features include a background debug controller (BDC) that allows single-breakpoint in-circuit debug without an external emulator, an internal clock generator that often eliminates the need for an external crystal in cost-sensitive designs, low-power run, wait and stop modes for battery-friendly operation, and an on-chip 10-bit ADC with a 4-channel input mux suitable for slow sensor sampling. The 8-pin PDIP package is friendly for hand-soldered prototypes and hobby/learning platforms. Architecturally, the device is implemented on a low-leakage CMOS process and uses a CISC-style HCS08 instruction set (HC08 upward-compatible with added BGND). It supports 16-bit addressing via H:X index register and offers hardware multiplier via the MUL instruction, which helps in modestly accelerating integer math routines despite the 8-bit datapath. Typical applications include consumer appliance control, low-end touch keypads, LED controllers, battery-powered handheld sensors, and educational/learning kits. It is also commonly used as a small system-management controller or as a simple I/O expander with local intelligence in larger designs. Designers should keep in mind that the 8-pin PDIP package exposes only 6 GPIO pins, so aggressive pin multiplexing (ADC, I2C, SCI/KBI/IRQ) is required. Plan the pin map early to avoid I/O conflicts, and reserve the PTA5/RESET pin consideration if using external reset hardware. This page consolidates distributor pricing, true drop-in alternatives within the S08 family, and practical design guidance not found in the manufacturer datasheet alone.

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MC9S08QG84CFFE - 8KB Flash 8-bit MCU 20MHz QFN-16 | NXP
MC9S08QG84CFFE

MC9S08QG84CFFE - 8KB Flash 8-bit MCU 20MHz QFN-16 | NXP

The NXP Semiconductors MC9S08QG84CFFE is an 8-bit S08 (HCS08) microcontroller with 8 KB of flash memory, a 20 MHz internal bus clock capability, and 2.5V or 3.3V operation, housed in a 16-pin QFN with exposed pad (5x5 mm) package. An 8-bit microcontroller is a single-chip computer whose CPU processes data 8 bits at a time. Within the embedded-systems hierarchy, the MC9S08QG84CFFE belongs to the microcontroller unit (MCU) category, which integrates a processor core, program memory, data RAM, and peripherals on a single die. MCUs sit at the edge of power management and sensor interfaces in electronic systems, and small-package, low-pin-count MCUs like the S08QG family are optimized for cost-sensitive, space-constrained designs. Key features of the MC9S08QG84CFFE include 8 KB (8K x 8) of flash program memory, the low-power S08 CISC core clocked up to 20 MHz, and a rich peripheral set typically found in larger devices: an 8-channel 10-bit ADC, an internal clock source with FLL, and serial interfaces such as SCI and IIC, all in a compact 16-QFN footprint. The exposed-pad QFN improves thermal performance and grounding while keeping the board area to roughly 25 mm square. Technically, the device operates from 2.5V or 3.3V supplies, making it suitable for both battery-powered and 3.3V logic designs. The S08 architecture offers multiple low-power stop and wait modes, background debugging (BKGD/MS) via a single pin, and in-circuit flash programming, which reduces development cost and simplifies field updates. Typical applications include battery-powered consumer devices, small appliance control, sensor conditioning and data acquisition front ends, LED and lighting control, and small industrial sub-systems where a compact 16-pin MCU with on-chip ADC is sufficient. For design consideration, the internal clock source eliminates the need for an external crystal in most cost-optimized designs, freeing two GPIO pins; verify ADC accuracy requirements before omitting the crystal, since the internal oscillator offers lower precision than an external reference. This page synthesizes verified distributor pricing and stock data, drop-in same-family alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet, so engineers can source and evaluate the MC9S08QG84CFFE in one place.

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MC9S08QG8CDNE - 20MHz 8-Bit Flash MCU | NXP | SOIC-8
MC9S08QG8CDNE

MC9S08QG8CDNE - 20MHz 8-Bit Flash MCU | NXP | SOIC-8

The NXP Semiconductors MC9S08QG8CDNE is an 8-bit HCS08 microcontroller rated for operation up to 20 MHz, with 8 KB of internal Flash memory and an operating supply range of 1.8 V to 3.6 V. The device is packaged in an 8-pin SOIC and is intended for compact, cost-sensitive embedded control designs. A microcontroller is a programmable integrated circuit containing a processor core, memory, and peripherals on one semiconductor die. In the device hierarchy, the MC9S08QG8CDNE belongs to the HCS08 MCU family, combining an 8-bit CPU, embedded Flash, RAM, GPIO, and mixed-signal peripherals. This combination allows a controller to execute firmware and interface with sensors, switches, indicators, and other embedded-system signals without requiring a separate processor and supporting ICs. Key verified features include a 20-MHz HCS08 CPU, 8 KB of internal Flash, 6 I/O ports, a 4-channel 10-bit analog-to-digital converter, and an HC08 instruction set with the BGND instruction. A background debugging system supports breakpoint control during in-circuit debugging. The 1.8 V to 3.6 V supply range makes the device suitable for low-voltage embedded products, provided the external circuitry remains within the manufacturer’s specified limits. The 8-bit architecture can be advantageous where control logic is modest, cost and power are priorities, and a compact software model is useful. Compared with a higher-bit MCU, the part is better suited to straightforward supervisory, monitoring, and actuator-control tasks than to demanding signal processing or large protocol stacks. The operating features and environmental details should be confirmed in the NXP datasheet before final design release. Typical applications include compact consumer controllers, battery-powered products, simple sensing nodes, LED-control products, and small appliance interfaces. The six I/O ports provide connections for digital inputs and outputs, while the four-channel ADC supports basic analog measurement. Designers should account for pin multiplexing, decoupling, programming/debug access, and the limited memory and peripheral resources of this low-cost MCU. For a new design, verify the exact package pinout, electrical limits, flash programming procedure, and debug interface against the NXP datasheet. For an existing board, confirm that the replacement has identical package dimensions, pin functions, voltage range, clock behavior, and memory organization before substitution. This page consolidates verified manufacturer and distributor information with package, lifecycle, sourcing, and design guidance for engineers evaluating the MC9S08QG8CDNE.

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MC9S08QG8CDTE - 8KB Flash 20MHz HCS08 8-bit MCU | NXP
MC9S08QG8CDTE

MC9S08QG8CDTE - 8KB Flash 20MHz HCS08 8-bit MCU | NXP

The NXP MC9S08QG8CDTE is an 8-bit microcontroller from the S08QG family, built on the enhanced HCS08 core with CISC architecture, 8KB of Flash program memory, 512 bytes of RAM, and a maximum CPU frequency of 20MHz. The part is housed in a 16-pin TSSOP (DTE) surface-mount package and operates across a 1.8V to 3.6V supply range, with an internal clock source that supports bus frequencies from 1 MHz to 10 MHz. An 8-bit microcontroller (MCU) integrates a CPU, program memory (Flash), data memory (RAM), and a configurable set of peripherals into a single chip aimed at cost-sensitive embedded designs. Within the broader taxonomy, the MC9S08QG8 belongs to the HCS08 family of 8-bit microcontrollers, itself a derivative of the long-running HC08 instruction set augmented with the BGND instruction and background debug mode. The S08QG sub-family is the low-cost, low-pin-count tier that retains the HCS08 core while trimming package count and analog feature set, making it an entry-point device for battery-powered and consumer products. Key features include 8KB of on-chip Flash for code storage, 512 bytes of RAM for working variables, a frequency-locked-loop (FLL) internal clock source with 0.2% trimming resolution and 2% deviation over temperature and voltage, an integrated 8-channel 10-bit analog-to-digital converter (ADC) for sensor interfaces, and a background debug system (BDS) for non-intrusive in-circuit programming and breakpoints. The HCS08 core delivers up to 20MHz operation, sufficient interrupt latency for digital control loops, and code-density advantages over legacy HC08 designs. Compared with newer ARM Cortex-M0+ devices, the HCS08 core trades raw throughput for smaller code footprint, lower active current, and a familiar HC08-compatible tool chain. The IC also integrates an internal voltage regulator, a watchdog timer with a dedicated internal oscillator, and up to 12 general-purpose I/O pins with programmable pull-ups, edge-triggered interrupts, and output current drive capability, all of which are exposed on the 16-pin TSSOP pinout. Typical applications include low-cost consumer appliances, remote-control transmitters, battery-powered sensors, LED lighting controllers, and small appliances with a UART or I2C interface to a host controller. Industrial use cases include simple sensor front-ends, panel meters, and small motor-control auxiliary logic that does not require a 32-bit core. The wide 1.8V to 3.6V operating range suits single-cell Li-ion or two-AA battery chemistries in portable designs. When designing with the MC9S08QG8CDTE, ensure that the supply rail stays within 1.8V to 3.6V during brown-out transients. Decouple VDD with a 100nF ceramic capacitor placed within 5mm of the pin, and configure the FLL reference carefully to balance jitter against current consumption. This page synthesizes distributor stock, drop-in same-package and cross-brand substitutes, and PCB-level design notes not found in the manufacturer datasheet, helping engineers select and source this part with confidence.

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MC9S08QG8CFFE - 8-bit S08 MCU, 8KB Flash, 20MHz | NXP
MC9S08QG8CFFE

MC9S08QG8CFFE - 8-bit S08 MCU, 8KB Flash, 20MHz | NXP

The NXP Semiconductors MC9S08QG8CFFE is an 8-bit HCS08 microcontroller with 8KB (8K x 8) Flash memory, a 20 MHz HCS08 CPU core, and a 16-QFN-EP (5x5 mm) package with exposed pad. It is a member of the low-cost, high-performance S08QG family of 8-bit MCUs. An 8-bit microcontroller (MCU) integrates a processor core, program memory, data memory, and peripherals onto a single chip. Within the power-management and embedded-control hierarchy, the HCS08 family sits in the cost-sensitive general-purpose MCU segment, where low pin count, small package, and low power consumption matter more than raw processing throughput. The S08QG family brings serial interfaces and peripherals normally found in higher-end devices into a very small footprint. Key features include the 20 MHz HCS08 central processor unit using the HC08 instruction set with the added BGND instruction, 8KB of on-chip Flash program memory, an on-chip background debugging system with breakpoint capability for in-circuit debugging, and the low-power S08 architecture suited to battery-powered products. The exposed-pad QFN package improves thermal performance and provides a compact 5x5 mm land pattern. Technically, the device uses the enhanced HCS08 core, which maintains HC08 object-code compatibility while adding background debug mode (BDM) access, and the family data sheet spans 352 pages covering all module variants, including an addendum for the QFN package migration from the original SOIC/DFN offerings. Typical applications include small home appliances, battery-powered handheld instruments, low-cost sensor nodes, and simple industrial control tasks where 8KB of code space and a 20 MHz bus are sufficient. A key design consideration: because this part is End-of-Life per NXP, new designs should plan for last-time-buy stock or qualifying the same-family pin-compatible variants listed on this page before committing the PCB footprint. This page synthesizes distributor availability, drop-in alternatives, cross-reference findings, and practical design notes not found in the manufacturer datasheet.

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