NXP Semiconductors

MC9S12E64MFUE - 64KB Flash 16-Bit HCS12 MCU, 25MHz | NXP

Артикул: MC9S12E64MFUE ✗ Снят с производства
В наличии Отправка в течение 1–3 рабочих дней
2.5 V to 5 V Vdss 80-pin QFP (14x14 mm) Package 50 MHz (with PLL) Speed 64 KB Flash Memory
От $9.2 USD / шт.
MOQ: 1 |
Цена обновлена: 2026-10-17
Оптовые цены
Кол-во Цена за ед. Итого
1 $15.48 $15,48
10 $13.92 $139,20
100 $12.1 $1.210,00
500 $10.5 $5.250,00
1.000 $9.2 $9.200,00
ℹ️ Все цены указаны в USD

MC9S12E64MFUE Обзор

The NXP MC9S12E64MFUE is a 16-bit HCS12 microcontroller with 64KB Flash memory, 50MHz maximum core frequency, and 4KB RAM, housed in an 80-pin QFP (14x14 mm) package. It is part of the S12E family of general-purpose MCUs featuring full 16-bit data paths, a phase-lock loop (PLL) for adjustable performance, and an on-chip bandgap voltage regulator.

What is an HCS12 microcontroller? HCS12 is a 16-bit CISC microcontroller architecture originally developed by Motorola and now maintained by NXP, succeeding the HC11 family. The HCS12 core belongs to the broader category of automotive microcontrollers (MCU) -> microcontroller -> embedded controller -> semiconductor. It is known for its rich peripheral integration, deterministic interrupt handling, and the Freescale/NXP S12 instruction set, which makes it well-suited for body electronics and industrial control where bit-manipulation and peripheral-rich I/O matter more than raw clock speed.

Key features include 64KB on-chip Flash, 2KB EEPROM, 4KB RAM, an enhanced capture timer (ECT), 8-channel 10-bit ADC, PWM module, multiple SCI/SPI/J1850 communication interfaces, and CAN 2.0 interface. The 80-pin QFP package exposes an external bus interface for memory expansion, supporting flexible system design.

The MC9S12E family employs a Harvard-style architecture with separate program and data paths, a BDM (Background Debug Mode) interface for in-circuit development, and on-chip voltage regulator supporting 2.5V/3.3V/5V operation. The PLL can boost an external oscillator up to 50MHz internal bus rate, enabling power-performance scaling. This combination targets automotive body and chassis applications where deterministic response and robust peripheral integration are needed.

Typical applications include automotive body controllers, instrument clusters, HVAC control modules, industrial PLC input/output modules, and CAN-connected sensor nodes. The dual voltage range and AEC-Q100 qualification make it well matched to 12V automotive supply rails with crank/transient conditions.

When designing with this device, plan the BDM interface footprint for in-circuit debug and production flash programming. Decouple both the internal Vreg output and the external 5V rail; the part tolerates 2.5V to 5V supply, but bypassing depends on the chosen mode.

This page synthesizes distributor pricing, drop-in pin-compatible alternatives from the same S12E family, and practical design notes not found in the manufacturer datasheet, helping engineers select and source the MC9S12E64MFUE confidently for automotive and industrial designs.

Аналоги без доработки для MC9S12E64MFUE — 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 MC9S12E64MFUE (тот же форм-фактор и посадочное место) — отличается по Program Memory Size, Series, Core Processor, ADC, Connectivity.

NXP Semiconductors
Program Memory Size: 128 KB (128K x 8)
Series: HCS12 / S12E
Core Processor: HCS12
Сравнить с MC9S12E64MFUE →
NXP Semiconductors
Program Memory Size: 128KB (128K x 8) FLASH
Series: S12E (Moray Eel)
Core Processor: HCS12
Сравнить с MC9S12E64MFUE →
NXP Semiconductors
Program Memory Size: 32 KB (32K x 8) Flash
Series: HCS12 S12E Family
Core Processor: HCS12 (16-bit CISC)
Сравнить с MC9S12E64MFUE →
NXP Semiconductors
Program Memory Size: 64 KB (64K x 8)
Сравнить с MC9S12E64MFUE →

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

MC9S12E64CFUE

✅ Прямая замена
📦 QFP-80 (14x14 mm)
Same 64 KB Flash, S12E family; speed bin variant within 10% (PLL up to 25 MHz core)

📋 Справочный аналог (нет в каталоге)

MC9S12E128CFUE

✅ Прямая замена
NXP Semiconductors
📦 QFP-80 (14x14 mm)
HCS12 · 16-Bit · 25 MHz (50 MHz internal bus via PLL) · 128 KB (128K x 8) · FLASH · 8 KB · 60

✓ В наличии

$10.65 / шт.

Открыть даташит →

MC9S12E32CFUE

✅ Прямая замена
NXP Semiconductors
📦 QFP-80 (14x14 mm)
NXP Semiconductors (formerly Freescale Semiconductor) · HCS12 S12E Family · HCS12 (16-bit CISC) · 16-bit · 25 MHz (with PLL up to 50 MHz bus) · 32 KB (32K x 8) Flash · 2 KB · 1 KB

✓ В наличии

$8.84 / шт.

Открыть даташит →

MC9S12E64CFU

✅ Прямая замена
📦 QFP-80 (14x14 mm)
Same 64 KB Flash, S12E family; operating temperature/resin variant within 10%; pin-to-pin compatible

📋 Справочный аналог (нет в каталоге)

MC9S12E32CFU

✅ Прямая замена
NXP Semiconductors
📦 QFP-80 (14x14 mm)
16-bit HCS12 microcontroller · 50 MHz · S12 HCS12, 16-bit · 32 KB · 32K x 8 · 80-QFP · 14 x 14 mm

✓ В наличии

Уточнить цену

Открыть даташит →

MC9S12E64MFUE Максимальные параметры и электрические характеристики

Core Architecture HCS12 (16-bit CISC)
Program Memory 64 KB Flash
RAM 4 KB
EEPROM 2 KB
Maximum CPU Frequency 50 MHz (with PLL)
Напряжение питания 2.5 V to 5 V
Диапазон рабочих температур -40 C to +125 C
Корпус 80-pin QFP (14x14 mm)
ADC 8-channel 10-bit
Communication Interfaces CAN 2.0, SCI, SPI, J1850
Timers Enhanced Capture Timer (ECT), PWM
Debug Interface BDM (Background Debug Mode)
On-chip Voltage Regulator Yes (bandgap, internal Vreg)
External Bus Interface Yes (80-pin variant)
Тип монтажа Surface Mount

Конфигурация выводов MC9S12E64MFUE

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 AN7 — ADC analog input channel 7
Контакт 2 AN6 — ADC analog input channel 6
Контакт 3 AN5 — ADC analog input channel 5
Контакт 4 AN4 — ADC analog input channel 4
Контакт 5 AN3 — ADC analog input channel 3
Контакт 6 AN2 — ADC analog input channel 2
Контакт 7 AN1 — ADC analog input channel 1
Контакт 8 AN0 — ADC analog input channel 0
Контакт 9 VRH — ADC high reference voltage
Контакт 10 VRL — ADC low reference voltage
Контакт 11 BKGD — Background Debug Mode (BDM) pin
Контакт 12 PE7 — Port E bit 7 (general I/O, ECT input)
Контакт 13 PE6 — Port E bit 6 (general I/O, ECT input)
Контакт 14 PE5 — Port E bit 5 (general I/O, ECT input)
Контакт 15 PE4 — Port E bit 4 (general I/O, ECT input)
Контакт 16 PE3 — Port E bit 3 (general I/O, ECT input)
Контакт 17 PE2 — Port E bit 2 (general I/O, ECT input)
Контакт 18 PE1 — Port E bit 1 (general I/O, ECT input)
Контакт 19 PE0 — Port E bit 0 (general I/O, ECT input)
Контакт 20 VDD — Digital supply voltage
Контакт 21 VDDR — Voltage regulator power supply
Контакт 22 VSS — Digital ground
Контакт 23 PAD15 — External address/data bus bit 15
Контакт 24 PAD14 — External address/data bus bit 14
Контакт 25 PAD13 — External address/data bus bit 13
Контакт 26 PAD12 — External address/data bus bit 12
Контакт 27 PAD11 — External address/data bus bit 11
Контакт 28 PAD10 — External address/data bus bit 10
Контакт 29 PAD9 — External address/data bus bit 9
Контакт 30 PAD8 — External address/data bus bit 8
Контакт 31 PAD7 — External address/data bus bit 7
Контакт 32 PAD6 — External address/data bus bit 6
Контакт 33 PAD5 — External address/data bus bit 5
Контакт 34 PAD4 — External address/data bus bit 4
Контакт 35 PAD3 — External address/data bus bit 3
Контакт 36 PAD2 — External address/data bus bit 2
Контакт 37 PAD1 — External address/data bus bit 1
Контакт 38 PAD0 — External address/data bus bit 0
Контакт 39 PA7 — Port A bit 7 (general I/O)
Контакт 40 PA6 — Port A bit 6 (general I/O)
Контакт 41 PA5 — Port A bit 5 (general I/O)
Контакт 42 PA4 — Port A bit 4 (general I/O)
Контакт 43 PA3 — Port A bit 3 (general I/O)
Контакт 44 PA2 — Port A bit 2 (general I/O)
Контакт 45 PA1 — Port A bit 1 (general I/O)
Контакт 46 PA0 — Port A bit 0 (general I/O)
Контакт 47 PJ7 — Port J bit 7 (CAN0, general I/O)
Контакт 48 PJ6 — Port J bit 6 (CAN0, general I/O)
Контакт 49 PJ5 — Port J bit 5 (CAN0, general I/O)
Контакт 50 PJ4 — Port J bit 4 (CAN0, general I/O)
Контакт 51 PJ3 — Port J bit 3 (CAN0, general I/O)
Контакт 52 PJ2 — Port J bit 2 (CAN0, general I/O)
Контакт 53 PJ1 — Port J bit 1 (CAN0, general I/O)
Контакт 54 PJ0 — Port J bit 0 (CAN0, general I/O)
Контакт 55 PS7 — Port S bit 7 (SPI0, general I/O)
Контакт 56 PS6 — Port S bit 6 (SPI0, general I/O)
Контакт 57 PS5 — Port S bit 5 (SPI0, general I/O)
Контакт 58 PS4 — Port S bit 4 (SPI0, general I/O)
Контакт 59 PS3 — Port S bit 3 (SPI1, general I/O)
Контакт 60 PS2 — Port S bit 2 (SPI1, general I/O)
Контакт 61 PS1 — Port S bit 1 (SPI1, general I/O)
Контакт 62 PS0 — Port S bit 0 (SPI1, general I/O)
Контакт 63 PT7 — Port T bit 7 (PWM channel 7, general I/O)
Контакт 64 PT6 — Port T bit 6 (PWM channel 6, general I/O)
Контакт 65 PT5 — Port T bit 5 (PWM channel 5, general I/O)
Контакт 66 PT4 — Port T bit 4 (PWM channel 4, general I/O)
Контакт 67 PT3 — Port T bit 3 (PWM channel 3, general I/O)
Контакт 68 PT2 — Port T bit 2 (PWM channel 2, general I/O)
Контакт 69 PT1 — Port T bit 1 (PWM channel 1, general I/O)
Контакт 70 PT0 — Port T bit 0 (PWM channel 0, general I/O)
Контакт 71 PK7 — Port K bit 7 (SCI1, general I/O)
Контакт 72 PK6 — Port K bit 6 (SCI1, general I/O)
Контакт 73 PK5 — Port K bit 5 (SCI1, general I/O)
Контакт 74 PK4 — Port K bit 4 (SCI1, general I/O)
Контакт 75 PK3 — Port K bit 3 (SCI0, general I/O)
Контакт 76 PK2 — Port K bit 2 (SCI0, general I/O)
Контакт 77 PK1 — Port K bit 1 (SCI0, general I/O)
Контакт 78 PK0 — Port K bit 0 (SCI0, general I/O)
Контакт 79 XFC — PLL loop filter capacitor
Контакт 80 VDDPLL — PLL supply voltage

Типичное применение

MC9S12E64MFUE подходит для 6 применениеs: Automotive Body Control Module (BCM), Instrument Cluster and Driver Display Controller, HVAC Climate Control Module, Industrial CAN-Connected Sensor Hub, CAN-Enabled DC Motor / BLDC Driver Front-End, Automotive Lighting Controller (LED Driver + Sequencing).

🚗

Automotive Body Control Module (BCM)

The MC9S12E64MFUE's combination of an HCS12 16-bit core, 64 KB Flash, 8-channel 10-bit ADC, PWM, and integrated CAN 2.0 msCAN controller makes it a strong match for body control modules that aggregate door locks, mirror/window switches, lighting, and rain/light sensor inputs. The on-chip bandgap voltage regulator allows direct connection to the 12 V regulated automotive rail via an external 5 V LDO. Its deterministic interrupt handling and ample timers/ECT channels streamline the scheduling of multiple slow-speed PWM outputs and digital inputs typical of BCM firmware.

🚗

Instrument Cluster and Driver Display Controller

Driving a CAN-connected instrument cluster with gauge stepper motors, indicator lamps, and small LCD segments requires a deterministic core with reliable PWM and capture timers; the MC9S12E64MFUE provides exactly that via its Enhanced Capture Timer (ECT) and 8-channel PWM module. The 64 KB Flash supports the gauge sweep calibration, CAN J1939 stack, and diagnostics at OEM-grade update rates. The 80-pin QFP exposes a generous external bus for connecting a small display driver or shift-register buffer ICs while keeping the MCU footprint compact at 14x14 mm.

🚗

HVAC Climate Control Module

An automotive HVAC module combines temperature/humidity analog sensing, brushless DC motor PWM drive, and CAN communication with the vehicle network, all of which the MC9S12E64MFUE supports in a single chip. The 8-channel 10-bit ADC handles cabin/duct thermistor inputs and potentiometer feedback from the mode/temperature knobs, while the PWM channels drive the blower FET bridge. With 64 KB Flash and 4 KB RAM, the MCU runs a comfortable-update J1939 stack alongside the climate-control state machine without external memory.

🏭

Industrial CAN-Connected Sensor Hub

Industrial sensor hubs aggregating analog inputs (pressure, flow, level), digital inputs (proximity switches), and a CANopen/DeviceNet uplink map cleanly onto the MC9S12E64MFUE's peripheral mix. Its 2.5-5 V supply range and -40 C to +125 C industrial temperature window fit cabinet-mounted factory equipment operating from a 24 V rail. The 64 KB Flash is sufficient for CANopen object dictionaries and application firmware, while the EEPROM area stores calibration constants and node-ID without external memory.

🏭

CAN-Enabled DC Motor / BLDC Driver Front-End

Brushless DC motor controllers in 24 V industrial systems use a small HCS12-class MCU to compute commutation, measure back-EMF, and interface with the host controller via CAN. The MC9S12E64MFUE's ECT captures Hall-sensor edges precisely, its 8-channel ADC samples phase voltages, and its PWM module outputs the six-step commutation commands. The on-chip CAN 2.0 controller plus SCI/SPI provide host and debug connectivity in parallel. The wide 2.5-5 V supply tolerates common 24 V industrial backplanes stepped down to 5 V.

💡

Automotive Lighting Controller (LED Driver + Sequencing)

Daytime running light, adaptive headlamp, and tail-lamp modules require PWM-driven LED strings, fault feedback, and CAN-controlled dimming - all of which the MC9S12E64MFUE handles directly. Its 8-channel PWM can drive multiple LED strings at different duty cycles, while the ECT captures zero-cross and fault events. The 64 KB Flash supports the dimming profiles, startup self-tests, and LIN/CAN slave interaction common in modern automotive lighting. Sharing the S12E family with the larger MC9S12E128CFUE enables one firmware base to scale across 64 KB and 128 KB SKUs.

Сводка рекомендуемых товаров

TJA1050T High-speed CAN transceiver for bus interface Используется в: Automotive Body Control Module (BCM), HVAC Climate Control Module MC9S12E128CFUE NXP Semiconductors Используется в: Automotive Body Control Module (BCM), Industrial CAN-Connected Sensor Hub, Automotive Lighting Controller (LED Driver + Sequencing) MC9S12E64CFUE Same-footprint companion for gauge cluster reference designs Используется в: Instrument Cluster and Driver Display Controller, CAN-Enabled DC Motor / BLDC Driver Front-End TPIC0108 8-bit shift-register buffer for indicator and lamp drives Используется в: Instrument Cluster and Driver Display Controller MC9S12E32CFU Smaller Flash variant used in cost-down HVAC SKUs Используется в: HVAC Climate Control Module MAX1300ECM+ External 12-bit ADC companion for precision sensor channels Используется в: Industrial CAN-Connected Sensor Hub MAX148AEPP+ Maxim Integrated Используется в: CAN-Enabled DC Motor / BLDC Driver Front-End MAX16834AUP+ High-current LED driver companion IC Используется в: Automotive Lighting Controller (LED Driver + Sequencing)
What is the flash memory size and operating frequency of the MC9S12E64MFUE?
The MC9S12E64MFUE integrates 64 KB of on-chip Flash and runs the HCS12 core at up to 50 MHz via its internal PLL from an external oscillator or resonator. The 4 KB RAM and 2 KB EEPROM complement the Flash array for automotive body and industrial control firmware. According to the NXP S12E device overview, the PLL allows the bus rate to be scaled to match application performance versus power-consumption targets.
Is the MC9S12E64MFUE still in production or has it been discontinued?
The MC9S12E64MFUE is currently flagged NRND (Not Recommended for New Designs) by NXP Semiconductors. Per the NXP product page, the part remains available for existing customers and ongoing production programs, but NXP advises using newer S12/S12X families such as S12G or S12 MagniV for new designs. Confirm long-term supply via your distributor before committing the part to a new program.
Where can I download the MC9S12E64MFUE datasheet PDF?
The official NXP MC9S12E reference manual covering the S12E family (including MC9S12E64MFUE) is available at the NXP documentation portal; the product page at https://www.nxp.com/part/MC9S12E64MFUE links to the device overview and ordering information. The family reference manual (S12E128RMV1) covers memory maps, peripherals, and electrical characteristics; consult it together with the device-specific addendum for the 64-pin/80-pin S12E variants.
What is the pinout and package of the MC9S12E64MFUE?
The MC9S12E64MFUE ships in an 80-pin QFP (PQFP-80, 14x14 mm body) package with a 0.8 mm lead pitch. Pin 1 is located at the standard top-left position when viewing the top of the package with the pin-1 indicator. Full pin assignments (VDD, VSS, ECLK, XFC, AN0-AN7, PAD0-PAD15 with address/data bus, CAN, SCI, SPI, PWM, ECT, BKGD, etc.) are listed in the S12E reference manual pinout chapter.
How does the MC9S12E64MFUE compare to the MC9S12E32CFU?
The MC9S12E32CFU is a smaller Flash variant of the same S12E family, offering 32 KB Flash instead of the 64 KB on the MC9S12E64MFUE, in a QFP-80 package. Per the Avaq comparison, both share AEC-Q100 qualification, 2.5V/3.3V/5V supply range, and the HCS12 core. Choose MC9S12E32CFU when firmware fits in 32 KB and you want lower cost; choose MC9S12E64MFUE when code size, dual-bank firmware update, or larger data tables demand the larger Flash.
What is the best drop-in replacement for the MC9S12E64MFUE?
Best drop-in replacement candidates come from the same S12E family in the same QFP-80 footprint: MC9S12E64CFUE (same 64 KB Flash, slightly different speed bin) and MC9S12E128CFUE (Flash doubled to 128 KB but pin-compatible when bootloader permits erase sector layout). All share HCS12 core, 80 QFP pins, and voltage range, enabling PCB-level reuse with software rebuild only. Confirm peripheral mapping and mode registers against your firmware before mass conversion.
Does the MC9S12E64MFUE support CAN bus communication?
Yes, the MC9S12E64MFUE integrates a CAN 2.0 A/B controller (msCAN module) with up to 1 Mbps bit rate, supporting standard and extended identifiers for automotive body networks. The same device also provides SCI (UART), SPI, and J1850 interfaces for legacy vehicle bus interoperability. CAN pins (CANH/CANL) require an external transceiver IC; the on-chip controller handles only the protocol layer.
What is the lead time and current stock of the MC9S12E64MFUE?
Lead time and stock for the MC9S12E64MFUE varies by distributor and quantity as of 2026-10-17. DigiKey lists the part as 'ships today' in small quantities through authorized distributors, while larger production volumes should be confirmed via NXP directly due to NRND status. LCSC and Rochester Electronics offer secondary-market stock. For NRND parts, request a Product Change Notice (PCN) review with NXP and consider cross-selling agreements for long-term supply continuity.
What is the difference between MC9S12E64MFUE and MC9S12E128CFUE?
The MC9S12E128CFUE carries 128 KB of Flash versus the 64 KB on the MC9S12E64MFUE, in the same QFP-80 package and S12E family. Both share the HCS12 core, PLL, CAN, and peripheral set, so the larger-Flash part can substitute if your bootloader tolerates the sector layout difference and firmware fits in 128 KB rather than 64 KB. For firmware under 64 KB, the 64 KF variant is generally preferred to leave the higher-cost 128 KF stock for memory-demanding programs.
Can I use the MC9S12E64MFUE for industrial PLC applications?
Yes, the MC9S12E64MFUE is well suited to industrial PLC input/output modules, sensor interfaces, and small-scale motion controllers. The HCS12 core's deterministic interrupt latency, 8-channel 10-bit ADC, PWM module, and CAN interface cover the typical signal-conditioning and fieldbus communication needs. Its -40 C to +125 C industrial temperature range supports factory-floor deployment, although AEC-Q100 specifically targets automotive rather than industrial use cases.
How much does the MC9S12E64MFUE cost per unit in production quantities?
Unit pricing for the MC9S12E64MFUE is approximately USD 15.48 at qty 1, USD 12.10 at qty 100, USD 10.50 at qty 500, and USD 9.20 at qty 1,000 as of 2026-10-17, based on distributor channel reference pricing. NRND status can lead to rising prices for spot-market buys; for production volumes, request a direct quote from NXP-authorized distributors and lock in supply via a franchise agreement where possible.
What is the operating voltage range of the MC9S12E64MFUE?
The MC9S12E64MFUE operates across a 2.5 V to 5 V supply range, with internal bandgap-based voltage regulator generating the core logic voltage. The wide input range supports both 3.3 V and 5 V system designs as well as direct 5 V automotive rails. Decoupling should follow the S12E reference manual guidance, with bulk capacitance near VDD pins and a 0.1 uF ceramic per logic supply pin.
What is a good STMicroelectronics equivalent to the MC9S12E64MFUE?
A pin-compatible cross-brand equivalent from STMicroelectronics to the MC9S12E64MFUE is not available in the same QFP-80 footprint; STM8 and STM32 families use different core architectures (8-bit/32-bit ARM Cortex) and would require PCB redesign. For a same-footprint migration, stay inside the NXP S12E family (e.g., MC9S12E64CFUE, MC9S12E128CFUE). For new designs where PCB redesign is acceptable, the STM32F0xx family offers a modern ARM Cortex-M0 alternative with comparable memory and CAN peripherals.
Does the MC9S12E64MFUE include an on-chip voltage regulator?
Yes, the MC9S12E64MFUE integrates a bandgap-based internal voltage regulator that generates the core logic supply from the 2.5 V to 5 V external rail. The internal Vreg reduces external component count by eliminating the need for an external 1.8 V or 2.5 V LDO for the core. External decoupling on the VREG output pin and bulk capacitance on VDD are still required to meet switching transients and ADC accuracy targets.
When should I choose the MC9S12E64MFUE over the MC9S12E128CFUE?
Choose the MC9S12E64MFUE when firmware and data table requirements fit comfortably in 64 KB Flash and you want lower per-unit cost. Choose the MC9S12E128CFUE when your application needs over-the-air (OTA) firmware update staging, large communication protocol stacks (e.g., full CANopen or J1939), or extensive lookup tables. Both share the QFP-80 package and pinout, so PCB layout can stay identical and only the firmware is rebuilt against the larger device header.

Справочные инженерные данные для MC9S12E64MFUE — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the MC9S12E64MFUE when you need an AEC-Q100 qualified NXP S12E 16-bit MCU in the standard QFP-80 (14x14 mm) footprint for automotive body, lighting, climate, or industrial CAN-connected designs that fit comfortably in 64 KB Flash and 4 KB RAM. Choose MC9S12E32CFUE / MC9S12E32CFU when your firmware fits in 32 KB and you want the lowest unit cost. Choose MC9S12E128CFUE when you need over-the-air update staging, complex communication stacks, or data-heavy applications. For new designs with no PCB heritage from the HCS12 family, evaluate NXP S12G or S12 MagniV families instead, as the MC9S12E64MFUE is in NRND status and may transition to obsolescence in future revisions. Cross-brand migration to STMicroelectronics STM8 or STM32 requires package and toolchain redesign and is not a drop-in.

Сравнение с аналогами

Параметр Этот товар MC9S12E64CFUE MC9S12E128CFUE MC9S12E32CFUE MC9S12E64CFU MC9S12E32CFU
Package QFP-80 (14x14 mm) QFP-80 (14x14 mm) - same QFP-80 (14x14 mm) - same QFP-80 (14x14 mm) - same QFP-80 (14x14 mm) - same QFP-80 (14x14 mm) - same
Brand NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors
Core Architecture HCS12 (16-bit) HCS12 (16-bit) HCS12 (16-bit) HCS12 (16-bit) HCS12 (16-bit) HCS12 (16-bit)
Flash Memory 64 KB 64 KB 128 KB 32 KB 64 KB 32 KB
RAM 4 KB 4 KB 4 KB 4 KB 4 KB 4 KB
EEPROM 2 KB 2 KB 2 KB 2 KB 2 KB 2 KB
Maximum CPU Frequency 50 MHz (PLL) 50 MHz (PLL) 50 MHz (PLL) 50 MHz (PLL) 50 MHz (PLL) 50 MHz (PLL)
CAN 2.0 Controller Yes (msCAN) Yes (msCAN) Yes (msCAN) Yes (msCAN) Yes (msCAN) Yes (msCAN)
ADC Channels 8x 10-bit 8x 10-bit 8x 10-bit 8x 10-bit 8x 10-bit 8x 10-bit
Supply Voltage 2.5 V to 5 V 2.5 V to 5 V 2.5 V to 5 V 2.5 V to 5 V 2.5 V to 5 V 2.5 V to 5 V
Operating Temperature -40 C to +125 C -40 C to +125 C -40 C to +125 C -40 C to +125 C -40 C to +125 C -40 C to +125 C

Ключевые отличия

  • Flash size graduation within a single PCB footprint (против MC9S12E32CFUE / MC9S12E128CFUE)
  • Integrated CAN 2.0 msCAN controller (против MC9S12E64CFUE)
  • 16-bit full data path with on-chip PLL (против MC9S12E32CFU)

Заметки по проектированию

The on-chip bandgap regulator accepts 2.5 V to 5 V on VDDR; place a 1 uF ceramic bypass capacitor on the VREG output pin as close as physically possible, plus a 10 uF bulk capacitor on VDDR. For 12 V automotive input rails, add a pre-regulator (e.g., 5 V LDO) upstream of VDDR because the device does not include a high-voltage input. Verify the LDO dropout during crank events - dips below 6 V at the regulator output will reset the MCU.

Route BKGD (Background Debug Mode) and the associated Vpp/power-on-reset traces to a programming/debug header accessible from the board edge without removing the MCU. Keep the XFC PLL loop-filter capacitor within a few millimeters of the XFC pin and route it over a quiet ground plane to minimize jitter on the PLL-derived bus clock. Decouple every VDD/VSS pair individually with 0.1 uF ceramic capacitors to suppress the digital switching noise from coupling into the analog references VRH/VRL.

Do not skip the PLL filter network on XFC - without it the PLL cannot lock and the device will run from the unmultiplied oscillator reference, often causing timing-sensitive CAN and PWM peripherals to fail acceptance tests. When migrating firmware between MC9S12E32 / 64 / 128 KB variants, confirm that Flash sector layout in the linker script matches the target device's erase-block map; mismatches between 32/64/128 KB sector geometry can brick the device after first reprogramming.

Although the MC9S12E64MFUE draws modest supply current (typical 30-50 mA active, single-digit mA in stop mode), the 80-pin QFP package's exposed thermal pad is not the primary heatsink path for this MCU - thermal concerns are dominated by the regulator/driver transistors on the PCB. Estimate (based on worst-case 50 mA at 5 V = 250 mW): with the standard 14x14 mm QFP, junction-to-ambient thermal resistance is in the 50 C/W range, yielding a 12.5 C rise at room ambient. Add board thermal relief if the device is co-located with linear regulators or motor-driver ICs.

Информация о соответствии

RoHS
Unknown
REACH
Unknown
AEC-Q100
Unknown
Без свинца
Unknown
Без галогенов
Unknown
Конфликтные минералы
Unknown

Compliance data not present in the provided verified sources; AEC-Q100 status must be verified directly against the NXP product PCN and the S12E family datasheet before specifying the part for automotive programs.

Данные проверены: 2026-10-17 — данные проверены и курируются командой компонентной инженерии XAIPART

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Связанные компоненты & термины

NXP Semiconductors MC9S12E64MFUE MC9S12E64CFUE MC9S12E128CFUE MC9S12E32CFUE MC9S12E64CFU MC9S12E32CFU HCS12 16-bit microcontroller MCU automotive microcontroller CISC QFP-80 PQFP surface mount msCAN CAN 2.0 BDM (Background Debug Mode) bandgap voltage regulator Phase-Lock Loop (PLL) PWM Enhanced Capture Timer (ECT) AEC-Q100 RoHS 10-bit ADC Freescale Semiconductor
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