Microcontroladores

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MC9S08SH8CTJ - 8-Bit 40MHz 8KB Flash MCU | NXP | S08
MC9S08SH8CTJ

MC9S08SH8CTJ - 8-Bit 40MHz 8KB Flash MCU | NXP | S08

The NXP MC9S08SH8CTJ is an 8-bit HCS08 microcontroller with 8KB flash memory, 0.512KB RAM, and a 40MHz HCS08 CPU, housed in a 20-pin TSSOP package. An 8-bit microcontroller (MCU) is a single integrated circuit that combines a processor core, memory, and peripherals such as ADCs, timers, and communication interfaces on one die. MCUs sit at the lowest level of the embedded computing hierarchy - from microcontroller to embedded processor to application processor - and are the workhorses of cost-sensitive control tasks in appliances, automotive body electronics, and industrial sensors. The S08 (HCS08) family from NXP (formerly Freescale) extends the HC08 instruction set with a BGND background-debug instruction and supports up to 32 interrupt/reset sources. Key features of the MC9S08SH8CTJ include the enhanced HCS08 CPU core (20MHz internal bus frequency, 40MHz CPU operation), 8KB of in-circuit-programmable flash, 512 bytes of RAM, a 12-channel 10-bit ADC with 2.5us conversion time and automatic compare function, and an integrated analog comparator. The device operates from 3.3V or 5V supplies, making it a natural fit for 5-volt-range applications where many modern MCUs require level shifting. Architecturally, the S08SH family is positioned as a low-end option within the HCS08 portfolio, retaining the low-cost, high-performance character of the original Freescale HC08/HCS08 line while adding flash-based reprogrammability and low-power wait/stop modes. Development uses the standard NXP CodeWarrior toolchain and the BDM (background debug mode) interface enabled by the BGND instruction. Typical applications include small appliance control, automotive body and convenience modules, battery chargers, sensor interfaces, and motor control of small fans and pumps, where the 10-bit ADC and analog comparator reduce external component count. Design consideration: the part is marked NRND (Not Recommended for New Designs) on the NXP product page, so new designs should evaluate the S08SG/S08P successors, while the 20-TSSOP footprint simplifies migration within the family. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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MC9S08SH8CWJ - 8-bit 40MHz 8KB Flash MCU | NXP
MC9S08SH8CWJ

MC9S08SH8CWJ - 8-bit 40MHz 8KB Flash MCU | NXP

NXP Semiconductors MC9S08SH8CWJ is an 8-bit S08SH-family microcontroller operating at up to 40MHz, with 8KB of flash memory and a 20-pin SOIC package designed for low-cost, 5V embedded control applications. It combines an enhanced HCS08 processor core with serial communications, SPI, I2C, analog-to-digital conversion, and comparator functionality in one compact device. An 8-bit microcontroller is a compact embedded processor intended for controlling sensors, actuators, communication interfaces, and simple logic. The MC9S08SH8CWJ belongs to the S08SH family within the broader HCS08 low-cost 8-bit MCU portfolio. Its 5V operating focus makes it relevant to industrial controls, appliance interfaces, embedded measurement systems, and legacy equipment that benefits from an economical controller with multiple on-chip peripherals. The principal device characteristics are a 40MHz maximum clock, 8KB of embedded flash program memory, an 8-bit architecture, and a 20-pin SOIC package. The NXP product page identifies SCI, SPI, I2C, ADC, and analog comparator resources in the S08SH family. This integration can reduce external component count by placing communication, sensing, and basic comparison functions directly beside the processor core. The S08 family emphasizes code density and a compact instruction set for cost-sensitive embedded products. NXP states that the S08SH family is pin, tool, and software compatible with S08SG, giving designers access to a broader software and tooling environment. That compatibility supports firmware portability and simplifies transitions within the S08 ecosystem, although every migration still requires verification of peripheral availability, memory limits, timing, and board-level constraints. Typical MC9S08SH8CWJ applications include small industrial control panels, motor or relay supervisory circuits, temperature-measurement modules, serial-interface adapters, and compact 5V consumer appliances. The on-chip serial interfaces support sensors and peripheral ICs, while the ADC and comparator are useful when a design requires simple analog sensing rather than a high-resolution external converter. PCB design should preserve the package pin assignments, provide proper 5V supply decoupling, and route sensitive analog inputs away from fast switching nodes. Firmware should be tested for interrupt timing, ADC sampling behavior, and communication timing because the 40MHz CPU clock does not guarantee that every peripheral can operate at that rate. For obsolete-product risk reduction, request lifecycle and sourcing options through the Request a Quote form. This product page combines the confirmed S08SH electrical and packaging details with practical placement, firmware, and sourcing guidance. It also distinguishes verified drop-in replacements from generic cross-reference candidates, helping engineers evaluate board reuse without confusing merely similar microcontrollers with true pin-compatible alternatives.

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MC9S08SH8MFK - HCS08 8-bit MCU, 8KB Flash, QFN-24 | NXP
MC9S08SH8MFK

MC9S08SH8MFK - HCS08 8-bit MCU, 8KB Flash, QFN-24 | NXP

The NXP Semiconductors MC9S08SH8MFK is a low-cost, high-performance 8-bit microcontroller (MCU) based on the enhanced HCS08 core, offering 8 KB of flash memory and housed in a 24-pin QFN (HVQCCN, package suffix MFK) surface-mount package rated for automotive-grade temperature operation from -40C to +125C. An 8-bit microcontroller is a single-chip computer that integrates a processor core, program flash, RAM, and peripheral modules such as timers, serial interfaces, and analog converters on one die. Within the semiconductor hierarchy it sits under the microcontroller family, itself a branch of embedded processors, and is widely used where cost, low pin count, and reliability matter more than raw processing power. Key features of the MC9S08SH8 family include the enhanced HCS08 CPU core, on-chip flash memory with in-circuit programming, low-voltage detection (LVD) for supply monitoring, and serial communication peripherals including SPI, as confirmed by distributor listings for this part. The compact 24-terminal no-lead QFN package saves board space while the exposed die-attach pad improves thermal and electrical performance. The HCS08 architecture executes efficient 8-bit code with a rich instruction set and background debugging via a single-wire BDM interface, simplifying development without costly emulators. The LVD module protects against brown-out conditions, and internal oscillator options reduce external component count. Typical applications include automotive body electronics, small motor control, sensor interfacing, battery chargers, and industrial control nodes where an SPI-linked MCU in a small footprint is required. A key design consideration is flash memory headroom: at 8 KB, firmware size should be planned carefully, and larger family members (SH16/SH32) provide upgrade paths in the same package family. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.

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MC9S08SH8MSC - 8-Bit HCS08 MCU 8KB Flash 40MHz SOIC-8 | NXP
MC9S08SH8MSC

MC9S08SH8MSC - 8-Bit HCS08 MCU 8KB Flash 40MHz SOIC-8 | NXP

The NXP MC9S08SH8MSC is an 8-bit HCS08 CISC microcontroller featuring 8KB of Flash memory, an S08 core, and a maximum operating frequency of 40 MHz, housed in an 8-pin SOIC package. It supports operating voltages from 2.7V to 5.5V, making it well suited for 3.3V and 5V embedded designs. An 8-bit microcontroller (MCU) is a compact, single-chip computer that integrates a CPU, memory, and peripheral interfaces onto a single silicon die. Within the broader taxonomy, the MC9S08SH8MSC belongs to the HCS08 family, itself part of NXP's S08 line of 8-bit microcontrollers, which sit under the larger category of microcontrollers and embedded processors in the semiconductor hierarchy. The S08 core uses a CISC (Complex Instruction Set Computer) architecture with background debug mode (BGND), allowing in-circuit debugging without invasive probing. Key features of the MC9S08SH8MSC include a 12-channel, 10-bit ADC with 2.5 microsecond conversion time and automatic compare function, multiple communication peripherals including I2C, LIN, SCI, and SPI, an on-chip analog comparator, and an integrated temperature sensor. The device supports up to 32 interrupt sources and includes an integrated clock source to reduce BOM cost. The S08SH family shares pin-, tool-, and software-compatibility with the S08SG family, providing design flexibility between variants of different Flash densities. The 8-pin SOIC package enables compact PCB layouts for space-constrained applications, while the wide 2.7V to 5.5V supply range supports battery and line-powered designs. Typical applications for the MC9S08SH8MSC include automotive body electronics such as seat controllers and lighting modules, low-cost sensor interfaces, small home appliances, LIN nodes in vehicle networks, and consumer remote controls. The integrated temperature sensor and ADC make it well-suited for analog signal conditioning. When designing with this part, ensure that the supply voltage stays within the 2.7V to 5.5V range and that decoupling capacitors are placed close to the VDD pin. The HCS08 toolchain (CodeWarrior and Processor Expert) provides firmware development support, while the on-chip background debug mode allows low-cost in-circuit programming and debugging. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes drawn from NXP's product information and the S08SH datasheet, providing context not found in the manufacturer datasheet alone.

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MC9S08SH8MTG - 8-bit S08 MCU, 8KB Flash, 40MHz | NXP | TSSOP-16 (Tape & Reel)
MC9S08SH8MTG

MC9S08SH8MTG - 8-bit S08 MCU, 8KB Flash, 40MHz | NXP | TSSOP-16 (Tape & Reel)

The NXP Semiconductors MC9S08SH8MTG is an 8-bit S08 microcontroller from the S08SH family with 8KB of Flash program memory, 512 bytes of RAM, and a 40MHz HCS08 CPU core, housed in a 16-pin TSSOP package on tape-and-reel. It features an integrated 12-channel 10-bit ADC, multiple serial interfaces (I2C, SCI, SPI), and LINbus connectivity, targeting cost-sensitive 5V embedded applications. What is an 8-bit microcontroller? An 8-bit MCU is a single-chip computer that processes data in 8-bit chunks and integrates a CPU core, non-volatile program memory (Flash), working memory (RAM), and configurable peripherals on one die. In the broader hierarchy, the S08 family belongs to Freescale/NXP's HCS08 line of low-power, low-pin-count microcontrollers, sitting below 32-bit ARM Cortex-M parts but above legacy HC08/HC05 families in capability and tool-chain maturity. Key specifications include 8KB (8K x 8) Flash, 512 x 8 RAM, 40MHz maximum bus frequency, 13 GPIO pins, and an operating voltage range from 2.7V to 5.5V. On-chip peripherals include LVD (Low-Voltage Detect), POR (Power-On Reset), PWM, a watchdog timer, an analog comparator, and a 12-channel 10-bit ADC with 2.5 µs conversion time and a built-in temperature sensor. The HCS08 core executes the HC08 instruction set with an added BGND instruction for background debug mode, supporting up to 32 interrupt/reset sources and providing backward code compatibility with legacy HC08 designs. The architecture pairs a CISC-style register-rich CPU with modern peripherals such as the ACMP module and an SCI for asynchronous serial links. Typical applications include automotive body controllers (LIN slaves), low-cost sensor interfaces, simple motor control loops (small DC fans, pumps), LED drivers, and white-goods control boards. Its 5V tolerance makes it a fit for harsh industrial environments where 3.3V-only parts would require level shifters. When designing with this MCU, route the decoupling capacitor (100nF plus 4.7µF bulk) within 5mm of the VDD pin and provide a clean reset circuit. Programming is supported via the standard NXP BDM interface - no SWD - so ensure the BKGD pin is accessible for in-circuit debugging. This page synthesizes distributor pricing, same-family drop-in alternatives, and design notes that go beyond the manufacturer datasheet to help engineers select, source, and prototype with the MC9S08SH8MTG quickly.

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MC9S08SH8MTGR - 8-bit S08 MCU, 8KB Flash, 40MHz | NXP | TSSOP-16
MC9S08SH8MTGR

MC9S08SH8MTGR - 8-bit S08 MCU, 8KB Flash, 40MHz | NXP | TSSOP-16

The NXP Semiconductors MC9S08SH8MTGR is an 8-bit S08 microcontroller from the S08SH family with 8KB of Flash program memory, 512 bytes of RAM, and a 40MHz HCS08 CPU core, housed in a 16-pin TSSOP package on tape-and-reel. It features an integrated 12-channel 10-bit ADC, multiple serial interfaces (I2C, SCI, SPI), and LINbus connectivity, targeting cost-sensitive 5V embedded applications. What is an 8-bit microcontroller? An 8-bit MCU is a single-chip computer that processes data in 8-bit chunks and integrates a CPU core, non-volatile program memory (Flash), working memory (RAM), and configurable peripherals on one die. In the broader hierarchy, the S08 family belongs to Freescale/NXP's HCS08 line of low-power, low-pin-count microcontrollers, sitting below 32-bit ARM Cortex-M parts but above legacy HC08/HC05 families in capability and tool-chain maturity. Key specifications include 8KB (8K x 8) Flash, 512 x 8 RAM, 40MHz maximum bus frequency, 13 GPIO pins, and an operating voltage range from 2.7V to 5.5V. On-chip peripherals include LVD (Low-Voltage Detect), POR (Power-On Reset), PWM, a watchdog timer, an analog comparator, and a 12-channel 10-bit ADC with 2.5 µs conversion time and a built-in temperature sensor. The HCS08 core executes the HC08 instruction set with an added BGND instruction for background debug mode, supporting up to 32 interrupt/reset sources and providing backward code compatibility with legacy HC08 designs. The architecture pairs a CISC-style register-rich CPU with modern peripherals such as the ACMP module and an SCI for asynchronous serial links. Typical applications include automotive body controllers (LIN slaves), low-cost sensor interfaces, simple motor control loops (small DC fans, pumps), LED drivers, and white-goods control boards. Its 5V tolerance makes it a fit for harsh industrial environments where 3.3V-only parts would require level shifters. When designing with this MCU, route the decoupling capacitor (100nF plus 4.7µF bulk) within 5mm of the VDD pin and provide a clean reset circuit. Programming is supported via the standard NXP BDM interface - no SWD - so ensure the BKGD pin is accessible for in-circuit debugging. This page synthesizes distributor pricing, same-family drop-in alternatives, and design notes that go beyond the manufacturer datasheet to help engineers select, source, and prototype with the MC9S08SH8MTGR quickly.

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MC9S08SH8MTJ - 8-bit MCU 8KB Flash 40MHz TSSOP-20 | NXP
MC9S08SH8MTJ

MC9S08SH8MTJ - 8-bit MCU 8KB Flash 40MHz TSSOP-20 | NXP

The NXP Semiconductors MC9S08SH8MTJ is an 8-bit HCS08 microcontroller with 8KB Flash memory, 40MHz CPU speed, and 2.7V to 5.5V operating voltage, housed in a 20-pin TSSOP package. It integrates a 12-channel 10-bit ADC, an analog comparator, and I2C, LIN bus, SCI, and SPI connectivity interfaces in a compact surface-mount footprint. An 8-bit microcontroller is an embedded processor that executes instructions on 8-bit data words, sitting at the entry level of the microcontroller hierarchy: MCU -> embedded processor -> system-on-chip. The HCS08 family, originally developed by Freescale Semiconductor (now NXP), extends the popular HC08 instruction set with the added BGND instruction and enhanced low-power modes, making it a mainstay for cost-sensitive control tasks such as appliance control, automotive body electronics, and industrial sensing nodes. Key features of the MC9S08SH8MTJ include the 40MHz HCS08 CISC CPU (20MHz bus clock), 8KB of on-chip Flash program memory, and 0.512KB of internal RAM. Peripherals include a 12-channel, 10-bit analog-to-digital converter for direct sensor interfacing and an analog comparator for voltage-monitoring duties. The device supports up to 32 interrupt and reset sources and operates across a wide 2.7V to 5.5V supply range, allowing direct connection to both 3.3V and 5V systems. Architecturally, the S08 core executes the HC08 instruction set with full object-code compatibility, easing migration from legacy HC08 designs. The S08SH family is positioned as a low-end option for applications in the 5-volt range, and integrated low-voltage detection (LVD) protects against brown-out conditions. On-chip Flash supports in-circuit reprogramming, reducing development cycle time. Typical applications include small appliance and power-tool control, low-cost sensor nodes using the 10-bit ADC, LIN-bus slave nodes in automotive body electronics, and 5V industrial logic glue functions where a compact 20-pin TSSOP footprint and 5V tolerance are required. When designing with this part, note that NXP lists the MC9S08SH8MTJ as NRND (Not Recommended for New Designs); new projects should evaluate current-generation alternatives, while existing designs can continue sourcing for maintenance. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer product page, delivering information gain beyond a standard datasheet listing.

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MC9S08SH8MWJ - 40MHz 8-Bit 8KB Flash MCU | NXP
MC9S08SH8MWJ

MC9S08SH8MWJ - 40MHz 8-Bit 8KB Flash MCU | NXP

NXP Semiconductors MC9S08SH8MWJ is an 8-bit S08SH microcontroller with an S08 CISC core, 40 MHz maximum operating frequency, 8 KB flash memory, and a 20-pin SOIC package. Designed for cost-sensitive embedded systems operating in the 3.3 V and 5 V ranges, the device combines embedded flash, RAM, communication peripherals, timer functions, and low-power operating modes in one compact surface-mount package. An 8-bit microcontroller is a programmable semiconductor that executes a central processing unit core and embedded peripherals from a compact integrated circuit. The S08 architecture belongs to the HCS08 family and is intended for embedded control tasks requiring modest processing bandwidth, deterministic peripheral operation, and low system complexity. MC9S08SH8MWJ targets applications in industrial controls, consumer equipment, motor-related modules, and simple embedded products where an 8 KB flash footprint is sufficient. The principal device characteristics are a 40 MHz S08 CPU, 8 KB of flash program memory, and 512 bytes of RAM. Product listings also identify the device as an 8-bit CISC microcontroller with 3.3 V and 5 V operation. Its 20-pin SOIC package supports conventional PCB assembly and provides a practical upgrade path within suitably pin-compatible S08SH designs. The S08SH family was introduced as a low-end option for applications associated with the 5 V operating range. Integrated resources make the MCU useful without requiring a separate external processor. The device family supports interrupt and reset handling, timers, serial communication, and analog conversion functions. Published family information describes a 12-channel, 10-bit ADC with a 2.5-second conversion time and automatic comparison capability. Individual peripheral availability, interrupt-vector locations, and electrical limits should be confirmed against the pin description and feature tables in the NXP datasheet before schematic capture. Typical designs include small motor controllers, appliance controls, sensor-conditioning systems, communication modules, and compact user-interface equipment. The 8 KB program-memory limit makes code footprint and library selection important considerations. A compiler, debugger, programmer, and the correct S08 family device definition should be confirmed before committing to a new design or migrating existing firmware. When laying out a board, route the exposed programming and communication signals away from sensitive analog inputs, provide clean local supply decoupling, and follow the manufacturer’s recommended pin connections. Because MC9S08SH8MWJ is marked end of life on the NXP product page, production planning should account for lifecycle risk, availability constraints, and qualification of any pin-compatible replacement before design release. This page combines the product’s principal architecture, memory, package, lifecycle, and sourcing details with practical design guidance, application fit criteria, and a structured assessment of replacement constraints. It also distinguishes confirmed device attributes from parameters that must be obtained from the official technical documentation.

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MC9S08SL16CTJ - 8-bit S08 MCU 16KB Flash 40MHz | NXP
MC9S08SL16CTJ

MC9S08SL16CTJ - 8-bit S08 MCU 16KB Flash 40MHz | NXP

The NXP (Freescale) MC9S08SL16CTJ is an 8-bit S08 microcontroller IC running at up to 40 MHz with 16KB (16K x 8) FLASH program memory, 256 x 8 bytes of EEPROM, and a 20-pin TSSOP surface-mount package. Connectivity includes I2C, LINbus, SCI, and SPI, with 16 general-purpose I/O lines. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data memory, and peripherals on one die, sitting at the low end of the embedded processor hierarchy (8-bit MCU -> 32-bit MCU -> application processor). The S08 (HCS08) family is Freescale's enhanced successor to the HC08, adding the BGND background-debug instruction while retaining HC08 instruction-set compatibility, which eases migration of legacy designs. Key features of this part include the 40-MHz HCS08 CPU, an embedded Slave LIN Interface Controller (SLIC) that boosts LIN slave node performance and shortens development time, and up to 32 supported interrupt/reset sources. On-chip peripherals cover low-voltage detection (LVD), power-on reset (POR), PWM capability, and a watchdog timer (WDT), reducing external component count. The SLIC module is the architectural differentiator: by handling LIN protocol framing in hardware, the CPU is freed for application code, making the device well suited to automotive and industrial LIN slave nodes such as window lifters, seat controllers, sensors, and small actuators. The dual 3.3V/5V supply capability allows direct interfacing with 5V automotive domains. Typical applications include LIN-bus slave nodes in body electronics, motor control subassemblies, and industrial sensor endpoints. Design consideration: as an original Freescale/NXP part now widely flagged obsolete, verify supply continuity early; the S08SG/SH siblings in the same TSSOP-20 footprint are the natural candidates for new layouts. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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MC9S08SL8CTJ - 8-Bit 40MHz S08 MCU, 8KB Flash | NXP
MC9S08SL8CTJ

MC9S08SL8CTJ - 8-Bit 40MHz S08 MCU, 8KB Flash | NXP

NXP Semiconductors MC9S08SL8CTJ is an 8-bit S08SL microcontroller with an S08 CPU core, 8KB flash memory, 512B RAM, and a 40MHz maximum clock speed in a 20-TSSOP package. The device targets cost-sensitive consumer and industrial equipment and includes an embedded slave LIN interface controller, EEPROM, and an integrated keyboard interface. A microcontroller is a programmable semiconductor that integrates a CPU, memory, and peripherals into one device. The S08 family belongs to the HCS08 architecture and combines the HC08 instruction set with an added BGND instruction. Within the product hierarchy, MC9S08SL8CTJ is an 8-bit embedded MCU, a cost-focused member of the S08SL family designed for compact control and communication products. The principal features include 8KB of flash, 512B of RAM, a 40MHz HCS08 CPU, 16 I/O ports, and a 16-channel, 10-bit ADC. It also provides support for up to 32 interrupt and reset sources. An embedded slave LIN controller is especially useful in cost-sensitive automotive and industrial networks, while EEPROM supports parameter storage without using scarce flash program space. The operating voltage range is 2.7V to 5.5V, allowing connection to common 3.3V and 5V systems. The industrial temperature range is -40°C to +85°C. Its 20-TSSOP package has a stated width of 4.40mm, making the device suitable for compact PCB layouts where a larger plastic package would be undesirable. Typical applications include LIN-connected slave nodes, small motor-control modules, keypad-based user interfaces, appliance controls, sensor-conditioning equipment, and cost-sensitive consumer products. The integrated keyboard interface is particularly useful in products with a small number of switches, while the ADC supports direct connection of analog sensors. When laying out a design, begin with the manufacturer's pin-description and recommended application schematics. Place decoupling capacitors close to the supply pins, route the analog input traces away from switching nodes, and confirm that the external programming and debug arrangement matches the chosen S08 development system. Although the device is listed as NRND by NXP, it remains relevant for maintenance and continuation of existing embedded designs. This page combines the manufacturer product information with an engineering-focused review of memory, analog conversion, connectivity, package constraints, lifecycle considerations, and practical design decisions. It also identifies the limits of drop-in replacement evidence so engineers can distinguish confirmed compatibility from parts that merely use a similar package or belong to a related MCU family.

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MC9S08SL8CTL - 8KB Flash 40MHz S08 MCU w/ LIN | NXP
MC9S08SL8CTL

MC9S08SL8CTL - 8KB Flash 40MHz S08 MCU w/ LIN | NXP

The NXP MC9S08SL8CTL is an 8-bit S08SL microcontroller with 8KB Flash, 40MHz HCS08 CPU core, embedded slave LIN interface controller (SLIC), and an integrated LIN physical layer in a 28-pin TSSOP package. It targets cost-sensitive automotive body and LIN slave node applications. An MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and peripherals such as timers, ADC, and communication interfaces. The MC9S08SL8CTL belongs to the S08 family of 8-bit microcontrollers, which traces to the original HC08 instruction set with extensions like BGND for background debug. Within NXP's portfolio, it sits in the S08SL sub-line that adds a slave LIN interface controller (SLIC) and on-chip LIN transceiver, simplifying LIN slave node designs. Key features include 8KB on-chip Flash, 512 bytes EEPROM, 256-byte TFL (Three-Flash-Lock) security area, 16-bit timer/PWM module (TPM), a 16-channel 10-bit ADC with 2.5 µs conversion, and an inter-integrated circuit (IIC) serial interface. The supply voltage range is 2.7V to 5.5V and the device supports up to 32 interrupt sources. The integrated LIN 2.1 / SAE J2602 physical layer plus SLIC removes the need for an external LIN transceiver in most LIN slave nodes. The HCS08 core executes most instructions in 1-2 bus cycles at 40MHz internal bus rate, achieving roughly 1 MIPS/MHz effective throughput. Internal architecture is Freescale (now NXP) proprietary 0.25 µm CMOS, paired with an on-chip voltage regulator that allows single-supply 2.7V-5.5V operation. Background debug mode (BDM) and on-chip in-circuit emulation simplify firmware development and field upgrades. Typical applications include automotive body control modules (door modules, seat controllers, mirror switch packs), LIN slave nodes for HVAC blower controls and ambient lighting, and industrial sensor peripherals with LIN connectivity. It is also used in low-cost consumer appliances that benefit from LIN or IIC host communication. When designing, note that 28-pin TSSOP thermal limits and 5V-tolerant I/O are appropriate for body electronics rather than under-hood conditions. Decouple VDD/VSS with a 100 nF ceramic placed within 5 mm of the IC, and follow NXP's AN3494 LIN physical-layer layout guidelines for EMC robustness. This page synthesizes distributor pricing, verified drop-in alternatives, and application-specific design guidance that complement the manufacturer datasheet.

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MC9S08SL8MTJ - 8-bit S08 MCU, 8KB Flash, 40MHz, 20-TSSOP | NXP
MC9S08SL8MTJ

MC9S08SL8MTJ - 8-bit S08 MCU, 8KB Flash, 40MHz, 20-TSSOP | NXP

The NXP Semiconductors MC9S08SL8MTJ is an 8-bit S08 microcontroller built on the S08 core, delivering up to 40 MHz of bus clock from an 8 KB flash memory program store in a 20-pin TSSOP surface-mount package. It adds an embedded slave LIN interface controller (SLIC) together with on-chip EEPROM, which shortens development time for LIN slave nodes and reduces the external component count in LIN-connected cost-sensitive equipment. An 8-bit microcontroller is a compact processor with an 8-bit-wide data bus, normally built around a simple accumulator or register architecture rather than a pipelined 32-bit core. The S08 core belongs to the wider MCU hierarchy: microcontroller -> embedded processor -> general-purpose semiconductor, and it is designed for control rather than compute, using on-chip flash for firmware, on-chip RAM for working data, and dedicated peripherals for timers, serial interfaces and analog channels. Compared with 16-bit and 32-bit parts, the S08 delivers lower cost, lower current draw and smaller code footprint for typical appliance, automotive and industrial control tasks. Key features of the MC9S08SL8MTJ include the 8 KB (8K x 8) flash program memory with fast programming, 512 bytes of RAM, a 40 MHz maximum S08 core clock, and a slave LIN interface controller for LIN bus networking. The 20-pin TSSOP package is a standard gull-wing surface-mount footprint with 20 terminals, widely supported by automated assembly and pick-and-place lines. The part is offered in an extended automotive temperature grade, making it suitable for harsh vehicle environments. Technically, the device combines a simple 8-bit CPU with dedicated serial and timer peripherals, so most control loops are handled by hardware rather than by firmware polling. The on-chip EEPROM allows frequently changed calibration or configuration values to be written in the field without consuming flash cycles, a common requirement in automotive body electronics and in metering equipment where serial numbers or trim data must persist across power cycles. Typical applications include LIN slave nodes in automotive body and comfort systems, small appliance controllers, fan and pump speed controllers, battery-operated handheld instruments, sensor-hub and IO expander boards, and low-cost consumer peripherals where a 20-pin surface-mount footprint and simple LIN or serial connectivity are required. One design consideration dominates layout planning: because the flash and RAM budgets are small, firmware must stay lean, and code size should be checked against the 8 KB program memory early in the development cycle. Decoupling close to the supply pins and correct use of the reset and oscillator pins are equally important in dense 20-pin layouts. This page combines manufacturer and distributor information, drop-in alternatives in the same 20-TSSOP footprint, and practical design notes so engineers can shortlist the correct 8-bit MCU before starting a new PCB spin.

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MC9S08SL8VTJ - 8-Bit 40MHz MCU with 8KB Flash | NXP
MC9S08SL8VTJ

MC9S08SL8VTJ - 8-Bit 40MHz MCU with 8KB Flash | NXP

The NXP Semiconductors MC9S08SL8VTJ is an 8-bit S08 microcontroller with a 40 MHz maximum clock frequency, 8 KB of flash program memory, and a 20-pin TSSOP package. Designed for economical battery-operated equipment, the device combines an economical 8-bit CPU with an integrated LCD driver, low-power operation, and mixed-signal peripherals suited to compact control systems. A microcontroller is a programmable semiconductor that integrates a CPU, memory, and peripherals into one package. The S08 belongs to the 8-bit microcontroller hierarchy, where instruction efficiency, deterministic control, and low system cost are more important than the high throughput associated with 32-bit application processors. Within that hierarchy, the MC9S08SL family targets small control products that need embedded flash, analog measurement, serial communications, display support, and low standby power. Key features include 8 KB of flash memory, a 40 MHz rated clock, a 10-bit ADC with up to 16 channels, 16 I/O ports, and an operating supply range of 2.7 V to 5.5 V. The integrated LCD driver can reduce the component count in handheld or meter-style products, while low-power characteristics suit battery-powered appliances. These features make the device appropriate for controls, sensor interfaces, small displays, and serial-connected embedded products. The S08 core uses the HC08 instruction set with the added BGND instruction and supports up to 32 interrupt or reset sources. The MCU also includes an embedded slave LIN interface controller and EEPROM support according to the S08SL family description. A 10-bit ADC balances measurement resolution with the processing and power requirements of an 8-bit control platform. The result is a compact mixed-signal controller intended for cost-sensitive designs rather than intensive computation. Typical applications include battery-operated instruments, household appliance controls, small LCD display modules, industrial sensor nodes, keypad interfaces, and LIN-connected peripherals. The 2.7 V to 5.5 V operating range supports both 3.3 V and 5 V system designs. The 20-pin TSSOP package is also manageable for compact, cost-sensitive assemblies requiring through-hole visual inspection. Designers should verify clock, programming, reset, analog-reference, and LCD pin assignments against the manufacturer datasheet before laying out a PCB. Place the decoupling capacitor close to the supply pins, route sensitive analog inputs away from switching nodes, and confirm that the chosen LCD segment and button assignments match the available I/O resources. This page combines the manufacturer product information, verified distributor specifications, package details, practical application guidance, and a focused comparison of closely related S08 devices to support component selection without relying on a basic distributor listing alone.

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MC9S08SU16VFK - 40MHz 16KB 8-Bit MCU | NXP | Motor Control
MC9S08SU16VFK

MC9S08SU16VFK - 40MHz 16KB 8-Bit MCU | NXP | Motor Control

The NXP Semiconductors MC9S08SU16VFK is an 8-bit S08L microcontroller with a 40 MHz processor, 16 KB of flash memory, UHV technology, GDU support, and a 24-QFN (4x4 mm) package. It is designed for low-end motor-control applications operating from 4.5 V to 18 V. The MCU combines an embedded processor, memory, analog measurement resources, and three-phase MOSFET pre-driver functions in one compact device. An 8-bit microcontroller is a compact embedded processor used to implement control logic, timers, communications, and peripheral functions in motor, appliance, and industrial products. The S08L core provides a deterministic architecture suitable for real-time control, while the integrated GDU and analog resources reduce the external component count required for basic motor-drive systems. MC9S08SU16VFK belongs to the broader MCU hierarchy: embedded processor, microcontroller, 8-bit MCU, and motor-control MCU. Key features include the enhanced S08L central processing unit, 16 KB flash memory, 40 MHz operation, UHV technology with GDU, a three-phase MOSFET pre-driver unit, current-measurement amplifiers, over-current protection, and over-voltage protection. The verified distributor listings identify the device as a 24-QFN surface-mount part, while the available product data also identifies it as an NRND device. The integrated three-phase pre-driver supports three high-side PMOS and three low-side NMOS arrangements, as described in the NXP datasheet search result. The current-measurement amplifiers, OCP, and OVP functions help simplify basic protection and feedback designs. Exact pin-level electrical limits, peripheral counts, memory organization, ADC specifications, and timing values require the manufacturer datasheet for final design verification. Typical applications include small brushless DC motor controllers, low-voltage motor-control systems, appliance controls, and compact embedded control platforms. The 4.5 V to 18 V application range makes the MCU appropriate for systems powered from low-voltage motor buses, provided the designer verifies the exact supply, I/O, and thermal limits for the selected board. For layout, place decoupling and power-return paths according to the NXP datasheet recommendations, and verify the exposed-pad connection and thermal design before production. Because the product is marked NRND in the verified NXP result, confirm lifecycle and sourcing status before committing a new design.

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MC9S08SV16CBM - 8-Bit S08 MCU, 16KB Flash, 40MHz | NXP
MC9S08SV16CBM

MC9S08SV16CBM - 8-Bit S08 MCU, 16KB Flash, 40MHz | NXP

The NXP (formerly Freescale) MC9S08SV16CBM is an 8-bit HCS08 CISC microcontroller with 16KB flash, 1KB RAM, and a 40MHz CPU core, housed in a 32-pin SDIP (0.400", 10.16mm) through-hole package. It integrates 30 general-purpose I/O pins, an internal oscillator, and operates from a 2.7V to 5.5V supply across the industrial temperature range. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (flash/RAM), and peripherals on one die. The HCS08 family is NXP's 8-bit line built on the legacy HC08 instruction set, designed for cost-sensitive embedded control in appliances, motor control, and industrial sensors. Within the broader hierarchy, this part sits as: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. The S08SV16 sub-family targets ultra-low-power and cost-sensitive nodes. Key features include an 8-bit HCS08 central processing unit running at 40MHz bus speed, 16KB on-chip flash program memory (16K x 8), 1KB on-chip SRAM, an internal clock source with FLL, multiple timer/PWM modules, and ADC channels. The 32-SDIP through-hole footprint supports legacy DIP-style designs, hand prototyping, and educational platforms where socketed parts are preferred over surface-mount. The architecture uses a von Neumann-style HCS08 core with the HC08 instruction set (a superset of the original HC05), enabling migration from older Freescale HC08 designs. The internal clock generator with FLL (Frequency-Locked Loop) supports both internal and external reference sources, eliminating the need for an external crystal in many applications. The device includes a low-voltage detect (LVD) module and a real-time interrupt (RTI) for low-power wait modes. Typical applications include white goods and home appliances, motor control for small BLDC or stepper drivers, HVAC controls, security and alarm panels, industrial sensor interfacing, and consumer electronics with simple user interfaces. The through-hole 32-SDIP package also makes it suitable for hobbyist, educational, and development use cases where socketed parts accelerate iteration. When designing with this part, verify that your firmware footprint fits within 16KB flash and 1KB RAM, and that the 30 I/O pins are sufficient for your peripheral count. For new designs, consider the surface-mount S08SV family members (LQFP/QFN) or the lower-cost S08PT family, but only after confirming pinout, peripheral set, and tool-chain compatibility. This page synthesizes distributor pricing from DigiKey/Mouser/Octopart, drop-in pin-compatible alternatives in the same 32-SDIP footprint, and practical design notes not found in the standalone datasheet.

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MC9S08SV16CLC - 8-Bit S08 MCU, 16KB Flash, 40MHz, 32-LQFP | NXP
MC9S08SV16CLC

MC9S08SV16CLC - 8-Bit S08 MCU, 16KB Flash, 40MHz, 32-LQFP | NXP

The NXP MC9S08SV16CLC is an 8-bit microcontroller from the S08SV family, featuring a 40MHz HCS08 CPU with 16KB of on-chip Flash memory and 1KB RAM, housed in a 32-pin LQFP (7x7 mm) package. It is offered as part of the S08FL/S08SV series targeting cost-sensitive industrial embedded designs that need a balance of deterministic performance, modest memory, and robust peripheral integration. Background: An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, typically used in cost- and power-sensitive embedded applications. The HCS08 is NXP's enhanced 8-bit core, succeeding the legacy HC08 instruction set with improved instruction efficiency, lower power, and richer debug features. The S08SV family belongs to the broader S08 sub-family in NXP's 8/16/32-bit ColdFire+Power Architecture portfolio, positioned below the 32-bit Kinetis and ColdFire devices for simpler deterministic control tasks. Key features include a 40MHz bus clock derived from an internal oscillator, 30 general-purpose I/O pins, an interrupt priority controller with nested interrupt capability, and operation across the typical industrial 2.7V to 5.5V supply range. The S08SV family is engineered to give enhanced performance, system reliability, and design flexibility for tough industrial design requirements. On-chip peripherals commonly include timers, ADC, SCI/SPI/I2C communication modules, and a watchdog timer. The architecture combines a 16KB Flash program memory block with security/lock features, a 1KB SRAM data memory, and an internal oscillator that simplifies BOM by removing the need for an external crystal in many designs. The 32-LQFP (7x7) footprint is a mainstream industrial package with sufficient I/O for human-machine interface panels, sensor conditioning, and motor control auxiliary tasks. Typical applications include industrial control panels, building automation sensor nodes, white-goods user interfaces, low-end motor control auxiliary boards, and point-of-sale peripherals. The combination of 16KB Flash and 1KB RAM suits small protocol stacks and UI tasks in cost-constrained designs. When designing with the S08SV family, allocate at least 1KB of headroom below the 16KB Flash limit for a fail-safe bootloader or in-application programming region. Use CodeWarrior for S08 or NXP's Eclipse-based S08 tools with the standard HCS08 background-debug interface. This page synthesizes verified distributor pricing, parametric position, lifecycle context, and design recommendations from the NXP datasheet and cross-reference data not found on a single manufacturer page.

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MC9S08SV8CBM - 8-bit S08 MCU, 8KB Flash, 40MHz, 32-SDIP | NXP
MC9S08SV8CBM

MC9S08SV8CBM - 8-bit S08 MCU, 8KB Flash, 40MHz, 32-SDIP | NXP

The NXP MC9S08SV8CBM is an 8-bit HCS08 microcontroller from the S08SV family, featuring 8KB of Flash program memory, 768 bytes of RAM, and a 40 MHz CPU, housed in a 32-pin SDIP (0.400", 10.16 mm) through-hole package. It integrates an internal oscillator, 30 general-purpose I/O lines, and the HC08 instruction set, making it a drop-in compatible member of the SV8 sub-family for cost-sensitive embedded designs. What is an 8-bit microcontroller? An 8-bit microcontroller (MCU) is a small computer-on-a-chip that combines an 8-bit CPU core, program memory (Flash/ROM), data memory (RAM), peripherals, and I/O on a single die. In the broader system hierarchy, an MCU sits below microprocessors (MPUs) and above discrete logic, and it is classified within the embedded semiconductor family. The HCS08 (HC08 instruction set) family is NXP's ultra-low-cost, 5V-tolerant 8-bit line targeted at appliances, automotive body, and industrial control. Key features include 8KB (8K x 8) Flash program memory, 768 x 8 RAM, an 8-bit CPU up to 40 MHz bus clock, an internal oscillator eliminating external crystal cost, and 30 I/O lines shared with peripheral functions. Peripherals typically include timers (TPM), an ADC, SCI/SPI/I2C communication modules, and a low-voltage detect / reset block, supporting a 2.7 V to 5.5 V supply range across the operating temperature envelope. Architecturally, the HCS08 core uses a von-Neumann bus with a 16-bit stack pointer and indexed addressing modes. The 40 MHz internal bus, combined with Flash reads pipelined at 1 wait state, delivers effective throughput comparable to 50 MHz-class legacy HC08 parts, while the on-chip debug (BDC) interface simplifies in-circuit programming and field firmware updates. Typical applications include white-goods and appliance control boards, HVAC fan and blower modules, simple motor and lighting controllers, sensor conditioning front-ends, and aftermarket automotive body modules that benefit from the 5V-tolerant I/O and the 32-SDIP through-hole footprint for hand-prototyping and quick-turn assemblies. When designing, reserve the BKGD/MS pins for background debug, add 0.1 uF + 4.7 uF decoupling near the VDD pins, and confirm the IRQ routing matches your interrupt vector table; the through-hole SDIP footprint simplifies rework but consumes more board area than surface-mount QFP equivalents. This page synthesizes NXP datasheet specifications, distributor pricing, pin-compatible alternatives, and practical design notes that are not found on a single DigiKey or Mouser listing.

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MC9S08SV8CLC - 8-Bit S08 MCU 40MHz 8KB Flash 32-LQFP | NXP
MC9S08SV8CLC

MC9S08SV8CLC - 8-Bit S08 MCU 40MHz 8KB Flash 32-LQFP | NXP

The NXP (Freescale) MC9S08SV8CLC is an 8-bit microcontroller based on the S08 (HCS08) core, running at up to 40 MHz CPU frequency with 8KB (8K x 8) of FLASH program memory and 768 bytes of RAM, housed in a 32-pin LQFP (7x7 mm) package with 30 general-purpose I/O lines. A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and peripherals on one die, forming the lowest tier of the embedded processing hierarchy (MCU -> embedded processor -> application processor). The S08 family is NXP's 8-bit CISC architecture, an evolution of the HC08 instruction set with added debugging and low-power features, positioned for cost-sensitive embedded control. Key features of the MC9S08SV8CLC include internal oscillator operation (eliminating an external crystal in many designs), 5.5V-tolerant operation across the temperature range, and connectivity peripherals comprising I2C, LINbus, SCI, and SPI serial interfaces. System peripherals include low-voltage detect (LVD), power-on reset (POR), PWM capability, and a watchdog timer (WDT) for robust fault recovery. Architecturally, the HCS08 CPU executes the HC08 instruction set with enhancements for C-compiler efficiency and background debugging via a single-wire interface. The FLASH program memory is in-system programmable, and the internal clock sources reduce BOM cost and board area compared to crystal-based designs. Typical applications include small home appliances, automotive body electronics and LIN nodes, industrial sensor control, motor control辅助 logic, and low-cost human-machine interfaces where a 40 MHz 8-bit core with LIN connectivity is sufficient. The 5V-capable I/O simplifies interfacing with legacy 5V industrial signals. Design consideration: this part is marked Obsolete (no longer manufactured by NXP); new designs should select an active S08 successor, and existing designs should plan last-time-buy or qualification of a drop-in replacement. This page synthesizes distributor pricing, drop-in alternative analysis, pinout guidance, and practical design notes not found in a single datasheet, providing consolidated sourcing and engineering information for the MC9S08SV8CLC.

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MC9S12A128BCFU - HCS12 16-Bit MCU 128KB Flash 80-QFP | NXP
MC9S12A128BCFU

MC9S12A128BCFU - HCS12 16-Bit MCU 128KB Flash 80-QFP | NXP

The NXP MC9S12A128BCFU is a 16-bit HCS12 CISC microcontroller operating at 25 MHz with 128KB on-chip Flash, 4KB RAM, and 2KB EEPROM, housed in an 80-pin QFP (14x14) package. It provides 59 general-purpose I/O pins, an 8-channel 10-bit ADC, and a CAN-compatible peripheral set, integrating standard on-chip peripherals to simplify automotive and industrial embedded designs. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash/ROM), data memory (RAM), peripherals such as timers, ADC, and communication controllers, and a bus system. Within the embedded semiconductor hierarchy, an MCU sits between a microprocessor (no on-chip memory or peripherals) and an SoC (multi-core, often with application processors). The HCS12 belongs to the 16-bit microcontroller class, bridging 8-bit legacy designs and 32-bit ARM Cortex-M devices by offering automotive-grade peripherals and a CPU12 instruction set with CISC efficiency and high code density. The MC9S12A128BCFU is distinguished by its on-chip peripherals including an 8-channel 10-bit ADC, PWM channels, SCI/SPI communication interfaces, a CAN 2.0 module, and a system integration module (SIM). Operating from a 5V supply at industrial temperature range (-40C to +85C), it supports in-circuit debugging via the BKGD pin and offers robust reset and interrupt management. The HCS12 CPU delivers 25 MHz performance with a rich instruction set tuned for automotive real-time control. Internally, the device uses a 16-bit data path with an 8-bit external bus mode for memory interfacing, the MC9S12A128BCFU follows the HCS12 architecture: HCS12 CPU core -> 16-bit microcontroller -> embedded microcontroller -> IC. The device integrates standard on-chip peripherals as documented in the 9S12A128 Device Guide published by Motorola and now maintained by NXP. Operating voltage is typically 5V, with industrial-grade temperature support. Typical applications include automotive body electronics, industrial control systems, CAN node modules, sensor interface boards, motor control peripherals, and consumer appliances requiring 16-bit performance with CAN connectivity. Engineers often choose the MC9S12A128BCFU when migrating from older HC11/HC12 designs or designing cost-sensitive automotive ECUs. When designing with this MCU, ensure proper decoupling on VDDR, VDDX, and VDD1 pins, and follow NXP's recommendations for ECLK and reset pin conditioning. Background debug mode (BDM) allows non-intrusive debugging but requires proper BKGD pin pull-up and MODC configuration during reset. This page synthesizes distributor pricing, drop-in HCS12 family alternatives, and practical design notes not found in the manufacturer datasheet alone.

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MC9S12A128BCPV - 16-Bit 25MHz HCS12 MCU 128KB Flash | NXP
MC9S12A128BCPV

MC9S12A128BCPV - 16-Bit 25MHz HCS12 MCU 128KB Flash | NXP

The NXP MC9S12A128BCPV is a 16-bit HCS12 microcontroller IC operating at 25 MHz with 128 KB (128K x 8) of on-chip FLASH program memory, housed in a 112-pin LQFP (20 x 20 mm) package. This member of the Freescale/NXP HCS12 family integrates a 16-bit CISC CPU core with 4 KB of RAM, an 8-channel 10-bit A/D converter, multiple timers, an SCI/SPI/JTAG interface block, and up to 91 general-purpose I/O pins for mixed-signal automotive and industrial designs. The part is sourced from NXP USA Inc. and is in active distribution through major channels. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, volatile and non-volatile memory, and configurable peripherals around an instruction-driven I/O architecture. The HCS12 specifically is a 16-bit CISC microcontrollers family sitting in the broader hierarchy: HCS12 microcontroller -> 16-bit MCU -> Freescale/NXP S12 automotive MCU family -> embedded microcontroller -> semiconductor. The HCS12 architecture succeeded the HC11 and is widely deployed in body electronics, instrument clusters, and industrial motor control where deterministic interrupt response and rich analog/digital peripherals are required. Key features of the MC9S12A128BCPV include 128 KB of FLASH, 4 KB of RAM, 91 I/O pins, an 8-channel 10-bit ADC, two SCI modules, one SPI module, a CAN 2.0A/B controller, PWM channels, and a background debug mode (BDM) interface for non-intrusive in-circuit programming. The 112-LQFP package provides generous pin count for mixed-signal designs while remaining hand-solderable for low-volume prototypes. Industrial-grade temperature range (-40C to +85C ambient) and robust ESD protection make this MCU suited to harsh environments. Technically, the HCS12 core uses a 16-bit data path with a 20-bit address space reached via the PPAGE register, executing a CISC instruction set that is largely upward-compatible with the HC11. The on-chip oscillator supports an external crystal or resonator, with internal PLL options enabling the 25 MHz bus clock from common 4 MHz or 8 MHz references. The integrated voltage regulator (5V core from automotive 12V battery) simplifies power supply design in vehicle applications. The dedicated CAN (Controller Area Network) module provides hardware-accelerated 2.0A/B frame handling for in-vehicle networking. Typical applications include automotive body controllers, HVAC control modules, instrument cluster slaves, CAN-enabled sensor nodes, industrial PLC I/O modules, and HVAC blower/lighting controllers. The 128 KB FLASH supports OBD-II diagnostic firmware, multi-channel closed-loop PID control loops, and CAN-based diagnostic stacks. When designing with this MCU, reserve the upper portion of the memory map for interrupt vectors and bootloader area and enable the COP watchdog in safety-critical applications. Program the FLASH using BDM during development; production programming can use the in-application programming (IAP) routines with security-locked blocks. This page synthesizes distributor pricing (as of 2026-10-18), drop-in alternatives, comparison vs MC9S12C-family variants, and practical design notes that complement the NXP S12 datasheet.

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MC9S12A256BCFU - HCS12 16-Bit 25MHz 256KB Flash MCU | NXP
MC9S12A256BCFU

MC9S12A256BCFU - HCS12 16-Bit 25MHz 256KB Flash MCU | NXP

The NXP MC9S12A256BCFU is a 16-bit HCS12-family microcontroller with 256KB of on-chip Flash memory, 12KB RAM, and a 25MHz CPU core, housed in an 80-pin QFP (14x14 mm) surface-mount package. It integrates an HCS12 CPU, 256KB (256K x 8) program Flash, 4KB EEPROM, 12KB RAM, and a rich set of peripherals including multiple SCI/SPI/PWM/timer modules and a 10-bit ADC. A microcontroller (MCU) is a self-contained processing system that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and peripheral interfaces on a single silicon die. The HCS12 architecture is a 16-bit CISC core from the Motorola/Freescale (now NXP) S12 family, designed for deterministic real-time control in automotive and industrial applications, and positioned hierarchically as: HCS12 -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor. The MC9S12A256BCFU is one of the highest-memory-density members of the original S12A sub-family. Key features include 256KB on-chip Flash (in-application reprogrammable in 512-byte sectors), 4KB EEPROM for data storage, 12KB RAM, 8-channel 10-bit ADC, up to 25MHz bus clock via an on-chip PLL, two SCI, two SPI, an 8-channel 16-bit timer with PWM, and a CAN 2.0 A/B module. The part operates from a single 5V supply and supports an industrial -40C to +85C temperature range, making it suitable for under-hood and factory-floor environments. Architecturally, the HCS12 core uses a 16-bit accumulator-based ALU with enhanced indexed addressing, background debug mode (BDM) for non-intrusive in-circuit development, and a memory management scheme supporting up to 1MB linear address space. The 80-QFP package exposes the full set of multiplexed GPIO, ADC inputs, and communication lines, enabling direct PCB integration of complex node functions without external glue logic. Typical applications include automotive body controllers, instrument cluster electronics, industrial CAN nodes, sensor aggregation hubs, and ruggedized embedded control boards. The on-chip CAN 2.0 module is particularly valuable in distributed vehicle networks where deterministic multi-node communication is required. The wide operating temperature range and high-noise-immunity design also suit HVAC and motor control appliances. When designing with this MCU, plan for a 5V analog supply and a 5V digital supply (which may be tied together with proper decoupling), plus a noise-isolated 2.5V AVDD for the ADC. Use the BDM interface for development and field firmware update via the in-application Flash programmer, and allocate adequate PCB ground area beneath the exposed die-pad to meet thermal and EMI requirements. This page synthesizes distributor stock, same-package drop-in alternates, and practical design notes not found in any single distributor listing, giving engineers a single source to evaluate MC9S12A256BCFU for new designs, second-source qualification, or legacy board rework.

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MC9S12A256BCPV - 16-bit HCS12 MCU 256KB Flash 112-LQFP | NXP
MC9S12A256BCPV

MC9S12A256BCPV - 16-bit HCS12 MCU 256KB Flash 112-LQFP | NXP

The NXP MC9S12A256BCPV is a 16-bit HCS12 CISC microcontroller featuring 256KB (256K x 8) of on-chip Flash memory, packaged in a 112-pin LQFP (20x20 mm). It operates from a 2.5V or 5V supply with an input range of 2.35V to 5.25V and runs the HCS12 CPU core at up to 25 MHz. According to the NXP datasheet, this device integrates 12 KB of RAM, automotive-grade peripherals, and is targeted at body and chassis electronic control modules. An HCS12 microcontroller is a 16-bit CISC (Complex Instruction Set Computer) MCU from the Motorola/Freescale lineage now maintained by NXP Semiconductors. It belongs to the broader hierarchy: microcontroller -> embedded microcontroller -> 16-bit MCU -> automotive microcontroller. The HCS12 architecture improves on the earlier HC11/HC12 by adding a 16-bit data path, a richer instruction set, and an enhanced integration module (SIM) for system-level resource mapping. Key features of the MC9S12A256BCPV include 256 KB Flash, 12 KB RAM, an integrated CAN 2.0 module, multiple SCI/SPI serial interfaces, an 8-channel 10-bit ADC, and PWM outputs suitable for motor and actuator control. The 112-LQFP package exposes a wide external bus that can be configured to 8-bit narrow mode for memory interfacing, allowing designers to attach external peripherals or memory. The device is built on a mature 0.5 um process and uses the HCS12 CPU with a background debug mode (BDM) for non-intrusive in-circuit debugging. The system integration module (SIM) governs clock generation, interrupt control, and chip-select routing, simplifying the BOM for body controllers. With 25 MHz bus speed, the device delivers up to 25 MIPS, suitable for closed-loop control loops in automotive subsystems. Typical applications include automotive body controllers, instrument clusters, HVAC control modules, lighting controllers, and CAN node endpoints. The integrated CAN 2.0 controller and large Flash make it a drop-in solution for legacy automotive ECUs and a wide range of industrial control nodes that require CAN connectivity and deterministic 16-bit performance. When designing with this part, allocate adequate decoupling on each supply pin and respect the 2.35V to 5.25V operating range. For low-power standby, use the STOP and WAIT modes controlled through the SIM. Engineers transitioning from the older HC11/HC12 will find instruction-level compatibility, easing firmware porting. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers evaluate the MC9S12A256BCPV for new designs and legacy drop-in replacement scenarios.

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MC9S12A256CCPV - 16-bit 25MHz MCU | NXP | Automotive
MC9S12A256CCPV

MC9S12A256CCPV - 16-bit 25MHz MCU | NXP | Automotive

The NXP Semiconductors MC9S12A256CCPV is a 16-bit HCS12 microcontroller operating at up to 25 MHz, with 256 KB of Flash memory, in a 112-LQFP surface-mount package. It belongs to the S12A family and integrates an HCS12 CPU, standard on-chip peripherals, interrupt control, clock generation, and external bus interfacing. The verified distributor information identifies the device as a 256K x 8 Flash MCU with a 25 MHz maximum clock. A microcontroller is a programmable semiconductor device that combines a CPU core, memory, timers, communication interfaces, interrupt logic, and other peripherals on one integrated circuit. In the power-management and embedded hierarchy, the MC9S12A256CCPV is an embedded microcontroller rather than a discrete semiconductor or analog power component. Its 16-bit data paths support automotive and industrial control tasks requiring deterministic embedded processing and external peripheral integration. The principal verified feature set includes a 16-bit HCS12 core, 25 MHz operating frequency, 256 KB Flash, and 112-pin LQFP packaging. The LQFP package provides a larger lead-bearing footprint than small QFN packages and is suitable for boards that need accessible inspection, rework, or a conventional leaded SMT assembly process. Flash memory supports firmware storage, while the integrated system resources simplify clock, interrupt, and bus management. Typical application areas include automotive body and chassis electronics, industrial controllers, embedded control modules, sensor-conditioning systems, and communication hubs. A design should provide the required clock, reset, power, and decoupling arrangements, and should validate every peripheral pin against the manufacturer datasheet. Because the provided search results do not expose the complete electrical limits or package drawing, detailed voltage, temperature, timing, and pin-function values must be confirmed from the original documentation. The most important sourcing consideration is package and pin compatibility. MC9S12A256CPVE is also identified in distributor results as a 112-LQFP, 256 KB Flash, 25 MHz S12A MCU, but the supplied data does not explicitly establish a complete pin-to-pin equivalence for the exact CCPV ordering code. Verify the datasheet, temperature grade, qualification marking, and lifecycle status before substituting. This page consolidates verified distributor findings, the available datasheet references, practical design guidance, and sourcing constraints. It does not infer unverified RAM size, peripheral details, electrical ratings, pricing tiers, or cross-brand replacements. For production sourcing, confirm the exact ordering information, authorized distributor inventory, and manufacturer documentation before committing the design to manufacturing.

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MC9S12A256CFUE - 16-bit 25MHz 256KB Flash MCU | NXP
MC9S12A256CFUE

MC9S12A256CFUE - 16-bit 25MHz 256KB Flash MCU | NXP

The NXP MC9S12A256CFUE is a 16-bit HCS12 microcontroller with a 25 MHz bus, 256 KB of on-chip Flash memory, and an 80-pin QFP (14x14 mm) surface-mount package. It operates from a single 5 V supply (2.5 V core support per NXP automotive S12 documentation) and is positioned for automotive and industrial embedded control. An HCS12 MCU is a member of the 16-bit microcontroller family: microcontroller -> embedded processor -> semiconductor. The HCS12 (S12) architecture evolved from the Freescale (formerly Motorola) HC12 and 68HC11 lineages, providing full 16-bit data paths with a CISC instruction set that eases migration from legacy 8-bit designs. According to NXP's product page, the S12A family integrates a system integration module (SIM) that manages system resource mapping, clock generation, interrupt control, and bus interfacing. Key features include 256 KB of Flash program memory for demanding application code, 25 MHz bus operation for real-time control, and a rich peripheral set typical of the S12A family: asynchronous serial interfaces (SCI), serial peripheral interface (SPI), an 8-channel 10-bit ADC, timer/PWM modules, and a CAN 2.0A/B controller for automotive networking. The 80-QFP 14x14 mm footprint supports hand assembly and automated reflow, and the wide industrial temperature range suits harsh environments. Architecturally, the HCS12 CPU executes variable-length instructions with indexed addressing and background debug mode (BDM) via a single-wire interface, simplifying in-system flash programming and field diagnostics. The phase-locked loop (PLL) clock generator allows the bus frequency to be tuned from a low-cost crystal while minimizing EMI. Typical applications include automotive body and comfort modules (door control, seat control, lighting), industrial control panels, HVAC controllers, motor control interfaces, and instrumentation requiring CAN connectivity. Design consideration: the device is NRND (Not Recommended for New Designs) per NXP, so new designs should evaluate the pin-compatible S12G or S12P families, or use this part only for sustaining existing production. This page synthesizes distributor pricing, same-family drop-in alternatives, lifecycle status, and practical design guidance not found in a single manufacturer datasheet.

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