Microcontroladores

Produtos (20.000+)

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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MC9S08QG8CFKE - 8KB Flash 20MHz S08 8-bit MCU | NXP 24-QFN
MC9S08QG8CFKE

MC9S08QG8CFKE - 8KB Flash 20MHz S08 8-bit MCU | NXP 24-QFN

The NXP MC9S08QG8CFKE is a member of the low-cost, high-performance HCS08 Family of 8-bit microcontroller units, featuring an enhanced HCS08 core, 8KB of Flash program memory, 512 bytes of RAM, and an integrated 20MHz bus clock in a 24-pin QFN-EP (4x4) exposed-pad package. Designed for battery-powered and space-constrained embedded designs, it integrates peripheral features typically found on larger devices into a small outline. What is an 8-bit MCU? An 8-bit microcontroller unit is a single-chip computer that executes instructions 8 bits wide, balancing low power consumption, deterministic behavior, and code density. The HCS08 core advances the legacy HC08 instruction set with the BGND instruction and a background debugging system, placing the MC9S08QG8 in the hierarchical taxonomy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. Key features include 1.8V to 3.6V single-supply operation, an internal clock source with an analog-to-digital converter (ADC), timers, an inter-integrated circuit (I2C) interface, a serial peripheral interface (SPI), and a serial communications interface (SCI/UART). The 24-QFN-EP (4x4 mm) package with exposed thermal pad provides a low thermal resistance path for moderately loaded applications while keeping board footprint to a 16 mm² area. Technically, the MC9S08QG8CFKE implements the HCS08 CISC architecture with BSET/BCLR bit manipulation instructions, single-wire background debug mode (BDM), and an interrupt controller. Up to six general-purpose I/O ports plus dedicated peripheral pins enable flexible peripheral multiplexing. On-chip peripherals include a 10-bit ADC, two timers (TPM), I2C, SPI, and SCI. The device supports low-power STOP and WAIT modes for battery-powered designs. Typical applications include consumer electronics remote controls, low-power sensor nodes, white goods user interfaces, and any small-form-factor battery-powered product needing 8-bit deterministic control. Designers select this part when cost and footprint dominate over raw CPU throughput. A key design tip: route the BDM (background debug mode) signals to a 2-pin header for in-system programming and debug. Place the exposed pad (EP) on a continuous ground plane for thermal dissipation and ground return. This page synthesizes NXP distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet summary block.

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MC9S08QG8CFQE - 8-Bit HCS08 MCU 8KB Flash 20MHz | NXP
MC9S08QG8CFQE

MC9S08QG8CFQE - 8-Bit HCS08 MCU 8KB Flash 20MHz | NXP

The NXP MC9S08QG8CFQE is an 8-bit HCS08 microcontroller with 20 MHz CPU speed, 8 KB Flash program memory, and 256 B RAM, packaged in an 8-pin DFN-EP (4x4 mm) with an exposed thermal pad for compact surface-mount design. It supports a supply voltage of 1.8 V to 3.6 V and exposes up to 6 general-purpose I/O pins, including a hardware interrupt wake-up line, a reset pin, and a background-debug-mode pin for in-circuit programming. A microcontroller (MCU) is a single-chip computer that integrates a CPU, on-chip memory (Flash, RAM), peripherals (timers, ADC, communication interfaces), and I/O lines on a single semiconductor die. MCUs sit at the heart of embedded systems across consumer, industrial, and automotive products. Within the broader hierarchy, the MC9S08QG8CFQE belongs to the 8-bit microcontroller category, sits in the S08QG sub-family of the HCS08 family, and is part of NXP/Freescale's low-cost ultra-low-power MCU portfolio designed for battery-powered and space-constrained applications. The MC9S08QG8CFQE features a 20 MHz enhanced HCS08 CPU with the HC08 instruction set plus the BGND instruction for background debugging. It provides a Background Debug System (BDCS) that supports a single breakpoint during in-circuit debugging plus two additional breakpoints in on-chip debug hardware. The integrated clock, low-power modes, and peripherals target cost-sensitive applications that still require deterministic real-time response. The device integrates an internal clock generator, ADC, timers, and serial interfaces in a compact DFN package. Typical use cases include battery-powered sensors, remote controls, small appliances, low-end consumer electronics, and simple motor-control loops where 8-bit performance with low power consumption is more than sufficient. This 8-pin MCU is best suited for designs where board space is highly constrained but a moderate processing capability is still needed. Engineers should pay attention to power-supply decoupling and the exposed-pad thermal/ground connection; the thermal pad must be soldered to the ground plane for both thermal dissipation and electrical reference. This page consolidates distributor pricing, drop-in same-package alternatives, and practical design notes for the MC9S08QG8CFQE that are not available in the manufacturer datasheet alone.

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MC9S08QG8CPBE - 8KB Flash 8-bit HCS08 MCU | NXP | DIP-16
MC9S08QG8CPBE

MC9S08QG8CPBE - 8KB Flash 8-bit HCS08 MCU | NXP | DIP-16

The NXP MC9S08QG8CPBE is a 20 MHz HCS08-family 8-bit microcontroller with 8 KB Flash, 512 B RAM, and a 16-pin PDIP (PBE) package designed for low-cost, high-performance embedded designs. The device operates from 1.8 V to 3.6 V, integrates an on-chip background-debug module, and exposes 6 general-purpose I/O pins along with a 12-channel 10-bit ADC, two timers, and an SCI / IIC peripheral set. An 8-bit microcontroller (MCU) is a single-chip processor that integrates CPU, Flash program memory, RAM, and peripherals. The HCS08 core used in the MC9S08QG8 is the enhanced successor to the legacy HC08 core; it adds the BGND instruction and a more efficient instruction pipeline while keeping object-code compatibility. Within the broader taxonomy, the HCS08 sits below the HCS12/ColdFire 16-bit and ARM Cortex-M 32-bit families, and above simple 4-bit controllers. The S08QG sub-family is positioned by NXP as a low-power, small-package line for battery-powered products. Key features of the MC9S08QG8CPBE include single-wire background debug, low-voltage detect (LVD), 20 MHz internal bus from a trimmed internal clock reference, and a low-power STOP/ WAIT mode set. According to the manufacturer datasheet, the device supports in-circuit programming and a single hardware breakpoint for real-time debug, allowing engineers to step through code without removing the part from the board. The 8 KB Flash is divided into an 8 KB main block, suitable for small protocol stacks or sensor-fusion firmware. Typical applications for the MC9S08QG8CPBE include battery-powered sensor nodes, low-cost remote controls, white-goods user-interface boards, and simple motor-control signal conditioning. The wide operating voltage (1.8 V to 3.6 V) makes it a natural fit for 2xAA / 1xCR2032 cell topologies, while the small 16-pin PDIP footprint supports hand-soldered prototypes and breadboard-based development. Designers should consider the device when total BOM cost and quiescent current dominate the decision more than raw CPU throughput. When laying out a board for this MCU, place the 0.1 uF VDD decoupling capacitor within 3 mm of the supply pin and keep the RESET pull-up trace short. Avoid routing high-current switching signals adjacent to the ADC input pins to prevent crosstalk; use the dedicated AVSS / AVDD pair if analog accuracy is required. For firmware development, CodeWarrior IDE and the PE micro / P&E Multilink debugger are the canonical tool chain.

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MC9S08QG8MDNE - 20MHz 8-bit Flash MCU | NXP Semiconductors
MC9S08QG8MDNE

MC9S08QG8MDNE - 20MHz 8-bit Flash MCU | NXP Semiconductors

The NXP Semiconductors MC9S08QG8MDNE is an 8-bit S08 microcontroller with a 20 MHz HCS08 CPU, 8 KB of Flash memory, six I/O ports, and an 8-pin SOIC package. Its 1.8 V to 3.6 V supply range supports compact, low-voltage embedded systems. According to the available distributor records, the device is identified as an active S08 microcontroller with RoHS-compliant SOIC-8 construction. What is an 8-bit microcontroller? An 8-bit microcontroller is a compact embedded-processing component that executes instructions using an 8-bit data path and combines a CPU core, program memory, data memory, I/O, and peripherals in one package. MC9S08QG8MDNE belongs to the S08 8-bit MCU family, a low-power architecture suited to battery-powered devices, control panels, simple sensing systems, and cost-sensitive embedded products. The main engineering features are a 20 MHz clock speed, 8 KB Flash program storage, six I/O ports, and operation from 1.8 V to 3.6 V. Flash memory allows firmware to be programmed and updated without a separate external memory device. The SOIC-8 package also provides a small surface-mount footprint, while the 20 MHz CPU supports deterministic control tasks in modest embedded systems. The verified product information identifies the part as part of the S08QG family, whose devices provide serial interfaces and other peripherals for compact embedded designs. The part is listed with HC08 instruction-set compatibility and an added BGND instruction, plus a background debugging system with breakpoint capability. Those debugging features help developers inspect firmware behavior without relying on a full external debug interface. Typical applications include low-cost consumer controls, battery-operated accessories, small industrial interface modules, sensor-conditioning nodes, and simple motor or actuator controllers. The 8-bit architecture is most appropriate when the application does not require large memory capacity, high arithmetic throughput, or a high-pin-count peripheral arrangement. Designers should confirm the exact pin functions, peripheral availability, programming method, and electrical limits against the manufacturer datasheet before layout release. SOIC-8 routing must preserve the package pin numbering and provide adequate decoupling near the device. Because the available verified data does not state a current distributor price or lead time, purchasing decisions should use a quotation or live distributor check. This page consolidates verified distributor specifications, lifecycle information, package details, application guidance, and replacement considerations. It separates confirmed data from unavailable parameters so engineers can make a traceable component-selection decision without relying on unverified assumptions.

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MC9S08QG8MPBE - 8KB Flash 8-bit S08 MCU | NXP | 16-PDIP
MC9S08QG8MPBE

MC9S08QG8MPBE - 8KB Flash 8-bit S08 MCU | NXP | 16-PDIP

The NXP MC9S08QG8MPBE is a member of the low-cost, high-performance HCS08 Family of 8-bit microcontroller units (MCUs), featuring 8KB of on-chip Flash memory and packaged in a 16-pin PDIP (0.300 inch, 7.62mm) through-hole format. It integrates the enhanced HCS08 core running at up to 20 MHz, providing high-performance processing in an entry-level footprint designed for cost-sensitive applications. The device is targeted at applications where small package count, low power, and on-chip peripherals are key differentiators. An 8-bit MCU (microcontroller unit) is a single-chip computer that integrates a CPU, program memory, data memory, and peripherals on one silicon die. The HCS08 core represents NXP's enhanced 8-bit CPU architecture, which evolved from the legacy HC08 instruction set while adding improvements such as a hardware multiply, BGND instruction for background debug mode, and lower power modes. The S08QG family belongs to the broader category of low-power 8-bit microcontrollers, sitting below 32-bit ARM Cortex-M parts in performance but offering better cost, simpler toolchains, and ultra-low standby current for battery-powered designs. Key features of the MC9S08QG8MPBE include 8KB of Flash program memory, 512 bytes of RAM, an internal clock generator, multiple low-power modes (STOP, WAIT, plus run), an analog-to-digital converter (ADC), timers, a serial communications interface (SCI), a serial peripheral interface (SPI), and an inter-integrated circuit (I2C) bus. The integrated 20 MHz internal clock source eliminates the need for an external crystal in most designs, reducing BOM cost and board area. Typical applications include low-cost consumer electronics, remote controls, small home appliances, sensor interface boards, battery-powered equipment, and industrial control modules. The wide operating voltage range and multiple stop modes allow the device to deliver years of operation from a single battery cell. Compared with discrete logic implementations, the S08QG delivers a complete system-on-chip solution in a 16-pin package. When designing with this device, plan for the BDM (Background Debug Mode) interface to simplify in-circuit programming and debugging. Decoupling capacitors of 100 nF plus a bulk capacitor should be placed as close as possible to the VDD and VSS pins. The internal clock trim is factory-calibrated but may require software adjustment over the full operating voltage range for timing-critical UART applications. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone. Cross-reference data shown on this page was verified against multiple distributors and NXP's official product page as of October 2026.

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