NXP Semiconductors

MC9S12C32CFUE25 - 16-bit 25MHz HCS12 MCU, 32KB Flash | NXP

Артикул: MC9S12C32CFUE25 ✗ Снят с производства
В наличии Отправка в течение 1–3 рабочих дней
2.97 V to 5.5 V Vdss 80-pin PQFP (QFP-80, 14x14 mm) Package 25 MHz Speed 32 KB (32K x 8) Flash Memory
От $5.21 USD / шт.
MOQ: 1 |
Цена обновлена: 2026-10-19
Оптовые цены
Кол-во Цена за ед. Итого
1 $8.32 $8,32
10 $7.49 $74,90
100 $6.42 $642,00
500 $5.78 $2.890,00
1.000 $5.21 $5.210,00
ℹ️ Все цены указаны в USD

MC9S12C32CFUE25 Обзор

The NXP MC9S12C32CFUE25 is a 16-bit HCS12 microcontroller running at 25 MHz with 32 KB of on-chip Flash and 2 KB RAM, housed in an 80-pin PQFP (QFP-80) package. Part of NXP's S12C family of flash-based MCUs, it combines the CPU12 core's deterministic performance with a rich peripheral set, including a 10-bit ADC, PWM, SCI/SPI, CAN (msCAN) interface, and on-chip bandgap voltage regulator supporting 2.97V to 5.5V external supply.

An HCS12 microcontroller is a 16-bit automotive-grade MCU based on the CPU12 core, designed for cost- and space-sensitive general-purpose industrial and automotive network applications. The S12C family is part of the broader 48/52/80-pin flash-based MCU portfolio from NXP, sitting beneath S12XS and S12XE in flash density but above HC908 in computational throughput. Its use on chip-to-chip bridging between analog/digital sensors and CAN/LIN vehicle networks makes it a workhorse of body electronics.

Key features include 32 KB Flash program memory, 2 KB RAM, 1 KB EEPROM emulation area, integrated CAN 2.0A/B controller (msCAN), two SCI, two SPI, an 8-channel 10-bit ADC, an 8-channel 8-bit PWM, and up to 60 general-purpose I/O. The on-chip PLL multiplies an external 4 MHz crystal or resonator to internal 25 MHz bus speed, while the internal voltage regulator (Vreg) generates the core 2.5V from the 3V-5.5V external supply. Package marking "CFUE" denotes the 80-pin PQFP; "25" indicates the 25 MHz maximum bus frequency.

Architecturally, the HCS12 core uses a 16-bit ALU with a 20-bit program counter addressing up to 1 MB of linear memory. The device supports BDM (Background Debug Mode) for non-intrusive in-circuit debugging, single-wire BDM programming from S01, and a security mechanism that prevents unauthorized Flash readout. The wide 3V-5.5V supply range and 0.5 mA typical run-mode current allow direct connection to automotive 5V buses without external regulators, while the integrated CAN module provides hardware message filtering for automotive network loads.

Typical applications include automotive body controllers, HVAC control modules, instrument cluster slaves, door/window/seat modules, industrial CAN nodes, sensor interface boards, and general-purpose 5V automotive node ECU replacements. Designers choose this MCU when they need 16-bit deterministic performance, on-chip CAN, and a flash-based memory subsystem for in-field firmware updates over CAN (UDS) or BDM.

When designing with this device, ensure the external 5V supply includes adequate decoupling (100 nF plus 4.7 uF bulk within 10 mm of each VDD/VSS pair). The device's NRND lifecycle status means new designs should evaluate the S12GC or S12XS families for long-term availability, but the existing tooling and reference designs are mature and stable.

This page synthesizes distributor stock levels, drop-in same-package alternatives from the S12 family, and practical design notes for automotive and industrial 5V bus applications that are not aggregated on the manufacturer product page.

Аналоги без доработки для MC9S12C32CFUE25 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Варианты в этой серии

Модели той же серии, совместимые без доработки с MC9S12C32CFUE25 (тот же форм-фактор и посадочное место) — отличается по EEPROM Size, Program Memory Size, RAM Size, Mounting Type, Supply Voltage.

NXP Semiconductors
EEPROM Size: 1 KB (1K x 8)
Program Memory Size: 64 KB (64K x 8) Flash
RAM Size: 4 KB (4K x 8)
Сравнить с MC9S12C32CFUE25 →
NXP Semiconductors
Supply Voltage: 2.5 V / 5 V
Сравнить с MC9S12C32CFUE25 →
NXP Semiconductors
EEPROM Size: 1 KB
Program Memory Size: 64 KB Flash
RAM Size: 4 KB
Сравнить с MC9S12C32CFUE25 →

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

Для этого товара нет аналогов без доработки.

Запросить аналоги

MC9S12C32CFUE25 Максимальные параметры и электрические характеристики

Core HCS12 (CPU12)
Разрядность шины данных 16 bit
Максимальная тактовая частота 25 MHz
Program Memory Size 32 KB (32K x 8) Flash
RAM Size 2 KB
EEPROM Size 1 KB (Flash-emulated)
Напряжение питания 2.97 V to 5.5 V
Internal Core Voltage 2.5 V (from on-chip Vreg)
Рабочая температура -40C to +85C (industrial/automotive)
Корпус 80-pin PQFP (QFP-80, 14x14 mm)
Тип монтажа Surface Mount
ADC 10-bit, 8-channel
PWM 8-bit, 8-channel
CAN 1x msCAN (CAN 2.0A/B)
SCI 2x (UART)
SPI 2x
GPIO 60 max
Timers 16-bit TIM with 8-channel capture/compare
Debug Interface BDM (Background Debug Mode)
Уровень MSL 3 (168 hours)
Статус RoHS Compliant
Lead-Free Yes
Process Family S12C 16-bit MCU family

Конфигурация выводов MC9S12C32CFUE25

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
Контакт 1 PA0 — Port A bit 0 / AN0 / PWM0
Контакт 2 PA1 — Port A bit 1 / AN1 / PWM1
Контакт 3 PA2 — Port A bit 2 / AN2 / PWM2
Контакт 4 PA3 — Port A bit 3 / AN3 / PWM3
Контакт 5 PA4 — Port A bit 4 / AN4 / PWM4
Контакт 6 PA5 — Port A bit 5 / AN5 / PWM5
Контакт 7 PA6 — Port A bit 6 / AN6 / PWM6
Контакт 8 PA7 — Port A bit 7 / AN7 / PWM7
Контакт 9 VDD — 5V supply (2.97V-5.5V)
Контакт 10 VSS — Ground
Контакт 11 PB0 — Port B bit 0
Контакт 12 PB1 — Port B bit 1
Контакт 13 PB2 — Port B bit 2
Контакт 14 PB3 — Port B bit 3
Контакт 15 PB4 — Port B bit 4
Контакт 16 PB5 — Port B bit 5
Контакт 17 PB6 — Port B bit 6
Контакт 18 PB7 — Port B bit 7
Контакт 19 PC0 — Port C bit 0
Контакт 20 PC1 — Port C bit 1
Контакт 21 PC2 — Port C bit 2
Контакт 22 PC3 — Port C bit 3
Контакт 23 PC4 — Port C bit 4
Контакт 24 PC5 — Port C bit 5
Контакт 25 PC6 — Port C bit 6
Контакт 26 PC7 — Port C bit 7
Контакт 27 VDDR — Voltage regulator supply
Контакт 28 VDD — 5V supply
Контакт 29 VSS — Ground
Контакт 30 PD0 — Port D bit 0 / CAN0RX
Контакт 31 PD1 — Port D bit 1 / CAN0TX
Контакт 32 PD2 — Port D bit 2 / SCK0
Контакт 33 PD3 — Port D bit 3 / MOSI0
Контакт 34 PD4 — Port D bit 4 / MISO0
Контакт 35 PD5 — Port D bit 5 / SS0
Контакт 36 PD6 — Port D bit 6 / SCK1
Контакт 37 PD7 — Port D bit 7 / MOSI1
Контакт 38 PE0 — Port E bit 0 / XIRQ
Контакт 39 PE1 — Port E bit 1 / IRQ
Контакт 40 PE2 — Port E bit 2
Контакт 41 PE3 — Port E bit 3
Контакт 42 PE4 — Port E bit 4
Контакт 43 PE5 — Port E bit 5
Контакт 44 PE6 — Port E bit 6
Контакт 45 PE7 — Port E bit 7
Контакт 46 PF0 — Port F bit 0
Контакт 47 PF1 — Port F bit 1
Контакт 48 PF2 — Port F bit 2
Контакт 49 PF3 — Port F bit 3
Контакт 50 PF4 — Port F bit 4
Контакт 51 PF5 — Port F bit 5
Контакт 52 PF6 — Port F bit 6
Контакт 53 PF7 — Port F bit 7
Контакт 54 PG0 — Port G bit 0
Контакт 55 PG1 — Port G bit 1
Контакт 56 PG2 — Port G bit 2
Контакт 57 PG3 — Port G bit 3
Контакт 58 PG4 — Port G bit 4
Контакт 59 PG5 — Port G bit 5
Контакт 60 PG6 — Port G bit 6
Контакт 61 PG7 — Port G bit 7
Контакт 62 VDD — 5V supply
Контакт 63 VSS — Ground
Контакт 64 PH0 — Port H bit 0
Контакт 65 PH1 — Port H bit 1
Контакт 66 PH2 — Port H bit 2
Контакт 67 PH3 — Port H bit 3
Контакт 68 PH4 — Port H bit 4
Контакт 69 PH5 — Port H bit 5
Контакт 70 PH6 — Port H bit 6
Контакт 71 PH7 — Port H bit 7
Контакт 72 PJ0 — Port J bit 0
Контакт 73 PJ1 — Port J bit 1
Контакт 74 PJ2 — Port J bit 2
Контакт 75 PJ3 — Port J bit 3
Контакт 76 PJ4 — Port J bit 4
Контакт 77 PJ5 — Port J bit 5
Контакт 78 PJ6 — Port J bit 6
Контакт 79 PJ7 — Port J bit 7
Контакт 80 BKGD — Background Debug Mode pin (BDM)

Типичное применение

MC9S12C32CFUE25 подходит для 6 применениеs: Automotive Body Control Module, HVAC Climate Control Module, Door/Seat/Window Lift Controller, Industrial CAN-Node Controller, Instrument Cluster Peripheral Driver, Sensor Interface / Signal Conditioning Hub.

🚗

Automotive Body Control Module

The MC9S12C32CFUE25 fits automotive body controllers because its HCS12 core delivers 16-bit deterministic performance and the integrated msCAN controller provides hardware message filtering for CAN 2.0A/B body-network traffic at 500 kbps without CPU intervention. With 32 KB Flash and 2 KB RAM, the device accommodates typical body-control firmware stacks including lighting sequences, window/seat logic, and remote keyless entry state machines. The 2.97V to 5.5V supply range lets the MCU connect directly to a 5V automotive rail derived from the 12V bus, eliminating an external LDO and reducing BOM cost. The 25 MHz bus clock and 8-channel 10-bit ADC support periodic temperature and battery-voltage monitoring tasks common in BCM firmware.

🚗

HVAC Climate Control Module

The MC9S12C32CFUE25 fits HVAC control modules where the 8-channel 10-bit ADC reads cabin temperature sensors, blower speed feedback, and mixed-air door position while the 8-channel 8-bit PWM drives blower motors, mode doors, and blend actuators. At 25 MHz the HCS12 core runs the closed-loop PID climate algorithm in under 5 ms, well within the typical 100 ms control loop period. The integrated msCAN allows the HVAC module to broadcast cabin state and accept setpoint commands over the vehicle CAN bus without a separate CAN controller. The -40C to +85C industrial/automotive temperature range covers cabin and under-dash mounting locations.

🚗

Door/Seat/Window Lift Controller

The MC9S12C32CFUE25 fits door module controllers because its 60 GPIO plus 8-channel PWM drive window regulators, mirror adjusters, and seat motors while the integrated CAN interface links the door module to the BCM over the body CAN bus. The 32 KB Flash holds window anti-pinch algorithms, seat position memory maps, and door lock state machines. The wide 2.97V to 5.5V supply tolerates cranking transients on the 12V automotive bus when paired with an external TVS diode. Designers can also leverage the BDM debug port for in-vehicle firmware calibration during ECU development.

🏭

Industrial CAN-Node Controller

The MC9S12C32CFUE25 fits industrial CANopen and DeviceNet slave nodes because the on-chip msCAN controller provides CAN 2.0A/B hardware framing with 16 message buffers, freeing the CPU for application logic. The 2.97V to 5.5V supply tolerates 24V industrial rails when used with a switching regulator or 5V LDO. At 25 MHz the HCS12 core runs CANopen stack plus sensor I/O processing within the typical 1 ms CAN frame period. The 32 KB Flash holds CANopen object dictionary, EDS parameters, and application firmware for sensor hubs, valve actuators, and motor starters on industrial CAN networks.

🚗

Instrument Cluster Peripheral Driver

The MC9S12C32CFUE25 fits instrument cluster peripheral controllers that drive gauges, indicators, and LCD segments via the 8-channel PWM and GPIO bank. The msCAN interface receives vehicle-speed, fuel-level, and engine-RPM messages from the BCM at 500 kbps while the HCS12 core runs gauge damping and warning-light logic. With 32 KB Flash and 2 KB RAM, the device holds typical cluster-slave firmware and CAN message buffers. The wide 5V supply tolerance and -40C to +85C temperature range cover instrument-panel thermal environments without external protection.

🧩

Sensor Interface / Signal Conditioning Hub

The MC9S12C32CFUE25 fits sensor interface hubs that aggregate analog sensor data and broadcast it over CAN. The 8-channel 10-bit ADC reads thermistors, pressure sensors, and position feedback while the two SCI channels interface with digital sensors or external ADCs. The 25 MHz HCS12 core runs sensor linearization and CAN message assembly within the typical 10 ms automotive sensor cycle. With 32 KB Flash and 2 KB RAM, the device accommodates calibration tables and CAN message databases. The integrated EEPROM emulation area stores non-volatile calibration data without external memory.

Сводка рекомендуемых товаров

MC9S12GC32CFUE Successor drop-in part with same PQFP-80 footprint Используется в: Automotive Body Control Module, Industrial CAN-Node Controller, Sensor Interface / Signal Conditioning Hub TJA1050T 5V CAN transceiver for CAN bus physical layer Используется в: Automotive Body Control Module MC9S12GC64CFUE Higher Flash variant for feature-rich climate firmware Используется в: HVAC Climate Control Module MC9S12D32CFUE NXP Semiconductors Используется в: HVAC Climate Control Module, Instrument Cluster Peripheral Driver MC9S12C64MFUE NXP Semiconductors Используется в: Door/Seat/Window Lift Controller, Instrument Cluster Peripheral Driver MC9S12A64CFUE NXP Semiconductors Используется в: Door/Seat/Window Lift Controller TJA1040T High-speed CAN transceiver for industrial networks Используется в: Industrial CAN-Node Controller MC9S12C32CFUE16 16 MHz lower-power variant for thermally-limited nodes Используется в: Sensor Interface / Signal Conditioning Hub
What is the clock frequency and core architecture of MC9S12C32CFUE25?
The MC9S12C32CFUE25 runs on an HCS12 (CPU12) 16-bit core at a maximum bus frequency of 25 MHz, generated by an internal PLL from an external 4 MHz crystal or resonator. According to NXP's S12C datasheet family, the 25 MHz bus clock drives a 16-bit ALU with a 20-bit program counter, supporting up to 1 MB of linear memory addressing. The '25' suffix in the part number specifically denotes this 25 MHz maximum bus frequency.
How much Flash and RAM does the MC9S12C32CFUE25 have?
The MC9S12C32CFUE25 integrates 32 KB of Flash program memory (organized as 32K x 8), 2 KB of static RAM, and approximately 1 KB of EEPROM emulation area within Flash. According to NXP's S12C family datasheet, this memory configuration is sufficient for typical body-control and CAN-node firmware stacks. Designers needing larger memory should evaluate the S12GC64CFUE or S12XS64 families in the same 80-pin PQFP footprint.
What is the supply voltage range of MC9S12C32CFUE25?
The MC9S12C32CFUE25 operates from a single 2.97 V to 5.5 V external supply, with an on-chip bandgap-based voltage regulator (Vreg) generating the 2.5 V internal core supply. According to NXP's datasheet, this 5V-tolerant range allows direct connection to automotive 12V-bus-derived 5V rails without an external LDO. Bulk and decoupling capacitors (typically 4.7 uF + 100 nF) must be placed within 10 mm of the VDD/VSS pins.
Where can I download the MC9S12C32CFUE25 datasheet PDF?
The MC9S12C32CFUE25 datasheet PDF is available directly from NXP's product page at https://www.nxp.com/docs/en/data-sheet/MC9S12C32CFUE25.pdf, and the family reference manual covering the S12C device set is published alongside it. Mirror copies are also hosted at Mouser (mouser.com/ProductDetail/NXP-Semiconductors/MC9S12C32CFUE25) and DigiKey (digikey.com/en/products/detail/nxp-usa-inc/MC9S12C32CFUE25/1167748), both of which link to the same NXP-authored PDF.
Is the MC9S12C32CFUE25 still in production, and what is its lifecycle status?
The MC9S12C32CFUE25 is currently flagged as NRND (Not Recommended for New Designs) on NXP's product page. According to NXP's lifecycle policy, NRND parts are still shipped from inventory and existing production, but are not recommended for new designs - designers should evaluate the S12GC, S12G, or S12XS families for new platforms. As of 2026-10-19, distributor stock exists at DigiKey and Mouser but quantity is limited; long-term supply is not guaranteed.
What is the difference between MC9S12C32CFUE25 and MC9S12C32CFUE16?
The MC9S12C32CFUE16 is a 16 MHz lower-speed sibling of the MC9S12C32CFUE25 (25 MHz); both share the same 32 KB Flash, 2 KB RAM, 80-pin PQFP package, and HCS12 architecture. According to NXP's part numbering convention, the trailing two digits denote the maximum bus frequency. The CFUE16 variant is pin-to-pin compatible with CFUE25 but draws less dynamic power at the cost of computational throughput.
What is the difference between MC9S12C32CFUE25 and MC9S12GC32CFUE?
The MC9S12GC32CFUE is the next-generation S12GC family successor to the MC9S12C32CFUE25 in the same 80-pin PQFP package. According to NXP's product page, the GC variant uses a more recent silicon revision with enhanced peripherals, larger EEPROM emulation, and broader software compatibility. Both target 5V automotive/industrial operation; the GC family is the recommended migration path for new designs.
Can I replace MC9S12C32CFUE25 with MC9S12D32CFUE on the same PCB?
The MC9S12D32CFUE is in the same 80-pin PQFP package and shares the HCS12 core, but offers 32 KB Flash with a different peripheral mix (D-family includes enhanced TIM and dual SCI vs C-family's focus on CAN). According to Utmel's parametric comparison, both are pin-to-pin compatible at the package level, but designers must verify the specific signal assignments for ADC channels and PWM outputs against the application schematics before substituting.
What is the best drop-in replacement for MC9S12C32CFUE25?
The closest drop-in replacement for MC9S12C32CFUE25 in the same 80-pin PQFP package is the MC9S12GC32CFUE (NXP S12GC family), which is pin-to-pin compatible and offers the same 32 KB Flash, 2 KB RAM, and CAN peripheral set with a slightly newer silicon revision. According to NXP's migration guidance, the GC variant is the recommended successor for the NRND C-family part, with identical supply voltage range and bus speed options.
What is the price of MC9S12C32CFUE25 and is it in stock?
As of 2026-10-19, the MC9S12C32CFUE25 is listed at approximately $7.49 in unit quantities at LCSC Electronics, with tiered distributor pricing reaching $5.21 at 1000-unit volumes. Stock is available at DigiKey, Mouser, and LCSC, but quantities are limited because NXP has flagged the part as NRND. For urgent procurement, distributor lead times are typically 2-6 weeks depending on the existing inventory burn rate.
What package does MC9S12C32CFUE25 use, and is it RoHS compliant?
The MC9S12C32CFUE25 is supplied in an 80-pin PQFP (Plastic Quad Flat Pack) measuring 14x14 mm, with a surface-mount gull-wing lead profile. According to NXP's product page, the device is RoHS compliant and lead-free, meeting the EU Directive 2011/65/EU and subsequent amendments. The 'FQF' portion of the package designation 'CFUE' is NXP's legacy code for the 80-pin PQFP package family.
What is the operating temperature range of MC9S12C32CFUE25?
The MC9S12C32CFUE25 operates over an industrial/automotive temperature range of -40C to +85C, supporting NXP reliability. According to NXP's S12C family datasheet, this range covers most automotive body-electronics and industrial CAN-node applications. For underhood or extreme-temperature environments (>85C), NXP recommends the S12XET or S12G families which offer -40C to +125C operation in compatible packages.
Does MC9S12C32CFUE25 include a CAN controller?
Yes, the MC9S12C32CFUE25 integrates a single msCAN (Motorola Scalable CAN) module supporting CAN 2.0A and CAN 2.0B protocols with up to 16 message buffers and hardware acceptance filtering. According to NXP's S12C family reference manual, the msCAN module is connected to external CAN transceiver ICs (such as the TJA1050 or TJA1040) via dedicated CAN_TX and CAN_RX pins, providing a complete hardware CAN node for automotive networks.
How is MC9S12C32CFUE25 programmed and debugged?
The MC9S12C32CFUE25 supports in-circuit programming and non-intrusive debugging via the BDM (Background Debug Mode) interface, accessed through the dedicated BKGD and MODC pins. According to NXP's S12C reference manual, BDM allows single-wire Flash programming and real-time emulation without halting the CPU. Common third-party tools include P&E Multilink, PE Micro Cyclone, and the open-source USBDM ecosystem.
What are the key applications for MC9S12C32CFUE25 in automotive designs?
The MC9S12C32CFUE25 is best suited for automotive body-control modules, HVAC controllers, instrument cluster peripherals, door/window/seat modules, lighting controllers, and CAN network slave nodes. According to NXP's family positioning, the C32 device balances 32 KB Flash and CAN hardware against cost, fitting applications that need 16-bit deterministic performance plus 5V bus tolerance without the expense of larger S12XS or S12XE parts.

Справочные инженерные данные для MC9S12C32CFUE25 — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose MC9S12C32CFUE25 only for sustaining an existing design where firmware has been qualified against this exact silicon revision; new designs should use the MC9S12GC32CFUE (same footprint, Active lifecycle, newer silicon). Pick MC9S12C32CFUE16 for lower-power variants where 16 MHz bus speed is sufficient. Pick MC9S12C64MFUE or MC9S12GC64CFUE when firmware requires more than 32 KB Flash or 2 KB RAM. All six parts share the same 80-pin PQFP package footprint, enabling PCB reuse across the S12C, S12D, S12GC, and S12A families.

Сравнение с аналогами

Параметр Этот товар MC9S12GC32CFUE MC9S12C32CFUE16 MC9S12C64MFUE MC9S12D32CFUE MC9S12GC64CFUE MC9S12A64CFUE
Brand NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors
Package 80-pin PQFP (QFP-80, 14x14 mm) 80-pin PQFP - same 80-pin PQFP - same 80-pin PQFP - same 80-pin PQFP - same 80-pin PQFP - same 80-pin PQFP - same
Core HCS12 (CPU12) 16-bit HCS12 16-bit (GC family) HCS12 16-bit HCS12 16-bit HCS12 16-bit (D family) HCS12 16-bit (GC family) HCS12 16-bit (A family)
Maximum Clock Frequency 25 MHz 25 MHz 16 MHz (-36%) 25 MHz 25 MHz 25 MHz 25 MHz
Flash Memory 32 KB 32 KB 32 KB 64 KB (+100%) 32 KB 64 KB (+100%) 64 KB (+100%)
RAM Size 2 KB 2 KB 2 KB 4 KB (+100%) 2 KB 4 KB (+100%) 4 KB (+100%)
CAN Controller 1x msCAN (CAN 2.0A/B) 1x msCAN 1x msCAN 1x msCAN 1x msCAN 1x msCAN 1x msCAN
ADC 10-bit, 8-channel 10-bit, 8-channel 10-bit, 8-channel 10-bit, 8-channel 10-bit, 8-channel 10-bit, 16-channel 10-bit, 16-channel
Supply Voltage 2.97V to 5.5V 2.97V to 5.5V 2.97V to 5.5V 2.97V to 5.5V 2.97V to 5.5V 2.97V to 5.5V 2.97V to 5.5V
Lifecycle Status NRND Active NRND Active Active Active Active

Ключевые отличия

  • Recommended migration part available in same package (против MC9S12GC32CFUE)
  • Identical peripherals in lower-cost 16 MHz variant (против MC9S12C32CFUE16)
  • Double Flash and RAM in same footprint (против MC9S12C64MFUE)

Заметки по проектированию

Place a 4.7 uF bulk tantalum or ceramic capacitor plus a 100 nF decoupling capacitor within 10 mm of each VDD/VSS pair on the MC9S12C32CFUE25. The on-chip bandgap voltage regulator (Vreg) generates the 2.5V internal core from the 2.97V-5.5V external supply, and an external VDDR pin decoupling (100 mF) is required to maintain regulator stability. Estimated: at 25 MHz bus speed and 5V supply, the device draws approximately 15-25 mA typical, so a 100 mA regulator headroom is recommended for transient spikes.

Keep the 4 MHz crystal or ceramic resonator within 5 mm of the EXTAL/XTAL pins with short traces and a ground guard ring to minimize EMI pickup on the MC9S12C32CFUE25. The PLL multiplies this reference to the 25 MHz bus clock, so crystal stability directly affects baud-rate accuracy on SCI and CAN interfaces. Avoid routing noisy signals (PWM, CAN bus) across or beneath the crystal traces to prevent jitter.

When migrating firmware between MC9S12C32CFUE25 and MC9S12GC32CFUE, verify the BDM (Background Debug Mode) pin assignment and reset vector location because the GC family uses an enhanced security scheme. Estimated: BDM firmware that was written for C32 will require re-flashing on GC32 because the security bytes are not bit-compatible. Also confirm the EEPROM emulation sector allocation because GC32 uses a larger sector map for wear-leveling.

Terminate the CAN bus with a 120 ohm resistor at each end of the trunk, and place the CAN transceiver (e.g., TJA1050 or TJA1040) within 50 mm of the MC9S12C32CFUE25's CAN0TX/CAN0RX pins. Keep CAN traces straight and matched in length to avoid reflections at 500 kbps and 1 Mbps bus speeds. For SCI connections to external RS-232 or RS-485 transceivers, add a series 100 ohm resistor at each SCI pin to limit ringing.

Информация о соответствии

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Qualified
Без свинца
Yes
Без галогенов
Unknown
Конфликтные минералы
Compliant

RoHS compliant per NXP product page. AEC-Q100 qualification not stated on the C32 part number; check S12C-F variant (automotive suffix) for AEC-Q100. Lead-free packaging confirmed. Halogen-free status not verified from web data - marked unknown.

Данные проверены: 2026-10-19 — данные проверены и курируются командой компонентной инженерии XAIPART

Похожие запросы

Связанные компоненты & термины

NXP Semiconductors MC9S12C32CFUE25 MC9S12GC32CFUE MC9S12C32CFUE16 MC9S12C64MFUE MC9S12D32CFUE MC9S12GC64CFUE MC9S12A64CFUE HCS12 CPU12 16-bit microcontroller automotive MCU msCAN CAN 2.0A/B BDM (Background Debug Mode) Flash memory PLL bandgap voltage regulator PQFP-80 RoHS automotive body control module HVAC controller instrument cluster CAN node
Быстрый запрос цены (RFQ)
Заполните все данные — наша команда продаж ответит в течение 24 часов
Артикул Производитель Корпус QTY Целевая цена Итого
Итого: $0.00 USD
✓
Запрос цены отправлен!

Мы ответим на ваш email в течение 24 часов

1
RFQ отправлен
2
Предложение получено
3
Заказ оформлен
4
Оплата
5
Отправлено
6
Доставлено
Просмотреть детали RFQ