MC9S12C64MPBE - 16-bit HCS12 MCU, 64KB Flash 25MHz | NXP
MPN： MC9S12C64MPBE ✗ 停產MC9S12C64MPBE 概覽
A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory, and programmable peripherals into one chip, sitting at the heart of embedded control systems. The S12C belongs to the broader 16-bit microcontroller family tree: HCS12 core -> CPU12 CISC architecture -> S12 platform -> NXP (formerly Freescale, originally Motorola) automotive and industrial MCU portfolio. Flash-based 16-bit MCUs like this one replaced masked-ROM predecessors by allowing field reprogramming.
Key features include the 25 MHz HCS12 CPU12 core, 64KB (64K x 8) flash program memory, an on-chip CAN 2.0 controller for in-vehicle and industrial networks, multiple SCI (serial communication interface) UARTs, an 8-channel 10-bit ADC, and a wide operating supply derived from the 5V nominal system with on-chip voltage regulation (2.5V/5V internal domains). The MPBE speed suffix denotes the 25 MHz grade in the commercial temperature range.
Technically, the device is based on Motorola/NXP flash technology with a CISC CPU12 instruction set, background debug mode (BDM) for non-intrusive development, and a phase-locked loop (PLL) clock system that lets designers trade core speed against EMC and power. Peripheral set includes periodic interrupt timer, pulse-width modulator channels, and standard S12 bus interfaces.
Typical applications are automotive body and convenience modules (door, seat, lighting controllers), CAN-networked industrial nodes, building control, and general-purpose embedded systems where a 52-pin footprint and 64KB flash are sufficient.
Design consideration: verify lifecycle status before new designs - NXP lists this part as NRND (Not Recommended for New Designs), so new projects should target pin-compatible S12G/S12XE successors.
This page synthesizes distributor availability, drop-in family alternatives, lifecycle status, and practical design notes not consolidated in the manufacturer datasheet.
直接替換替代品，適用於 MC9S12C64MPBE — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MC9S12C64MPBE （相同外形與佔位） — 差異在於 Package, Program Memory Size, Supply Voltage, Data Bus Width, Lifecycle Status.
MC9S12C32MPBE16
✅ 直接替換聯絡詢價
查看資料表 →MC9S12GC64MPBE
✅ 直接替換聯絡詢價
查看資料表 →MC9S12GC32MPBE
✅ 直接替換聯絡詢價
查看資料表 →MC9S12GC96MPBE
✅ 直接替換聯絡詢價
查看資料表 →MC9S12T64MPKE16
✅ 直接替換聯絡詢價
查看資料表 →MC9S12C64MPBE 最大額定值與電氣特性
| Core Processor | HCS12 (CPU12, 16-bit CISC) |
| Core Size | 16-bit |
| 最大時脈頻率 | 25 MHz |
| Program Memory Size | 64KB (64K x 8) Flash |
| Program Memory Type | Flash |
| 資料匯流排寬度 | 16 bit |
| 供應電壓 | 2.5 V / 5 V (on-chip regulation) |
| 封裝 | 52-TQFP / LQFP (10x10 mm) |
| 安裝類型 | Surface Mount |
| Product Series | S12C (MC9S12C-Family) |
| Communication Interfaces | CAN, SCI |
| Packaging | Tray |
| 生命週期狀態 | NRND (Not Recommended for New Designs) |
| Manufacturer History | Originally Motorola / Freescale Semiconductor, now NXP Semiconductors |
MC9S12C64MPBE 52-tqfp / lqfp (10x10 mm) 腳位配置指南
MC9S12C64MPBE（52-tqfp / lqfp (10x10 mm) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： MC9S12C64MPBE.
請參閱 資料表 以查看完整腳位配置。
典型應用
MC9S12C64MPBE 適用於 6 應用s: Automotive Body Control Modules, Industrial CAN Network Nodes, Legacy Product Sustainment, Embedded Training and Development Systems, Motor Control and Actuator Drivers, Battery-Powered Instrumentation.
Automotive Body Control Modules
The MC9S12C64MPBE fits automotive body and convenience electronics - door modules, seat controllers, lighting units, and wiper systems - where its integrated CAN 2.0 controller connects the node to the in-vehicle network while SCI handles end-of-line diagnostics. The 64KB flash accommodates a full control application plus a CAN bootloader, and the 25 MHz HCS12 core comfortably runs motor control loops and switch scanning. Because the part is NRND, use it for service and continuity of existing modules; for new automotive designs, evaluate the pin-compatible S12G series instead, which offers the same footprint with active lifecycle status.
推薦
Industrial CAN Network Nodes
In factory automation and building control, the MC9S12C64MPBE serves as a CAN-bus slave node driving actuators and reading sensors. The on-chip CAN controller offloads message buffering from the CPU, while SCI links provide programming and diagnostic access. The 64KB flash stores protocol stacks such as CANopen-lite or custom point-to-point messaging, and the 5V-tolerant I/O structure simplifies interfacing with legacy 24V industrial signal-conditioning front ends. The 52-pin LQFP (10x10 mm) keeps the PCB compact while retaining enough GPIO for relay drivers and indicator LEDs in typical node designs.
推薦
Legacy Product Sustainment
For manufacturers supporting long-lifecycle equipment - agricultural machinery, medical service parts, or installed industrial controllers - the MC9S12C64MPBE is procured to keep existing firmware running unchanged. Its form-fit-function continuity with the original Motorola/Freescale S12C design means no PCB or code changes are required when replacing failed units. Because NXP marks it NRND, procurement teams should secure a last-time-buy quantity, validate date codes, and qualify a pin-compatible successor such as MC9S12GC64MPBE in parallel so future builds can transition without board redesign.
推薦
Embedded Training and Development Systems
The HCS12 architecture remains popular in university embedded-systems courses because the CPU12 instruction set, BDM (background debug mode), and simple external-bus behavior make low-level concepts teachable. The MC9S12C64MPBE's 64KB flash supports compiled C programs plus a resident monitor, and SCI connects directly to a PC for programming. The 52-pin LQFP can be hand-soldered on two-layer training boards, unlike fine-pitch BGA alternatives. Educational designs typically pair the MCU with an RS-232 transceiver, LEDs, and potentiometers feeding the on-chip ADC for analog input experiments.
推薦
Motor Control and Actuator Drivers
DC motor and actuator control tasks in power windows, throttle positioners, and small industrial drives match the S12C's peripheral strengths: PWM outputs drive H-bridge or low-side FET stages while timer inputs capture hall or encoder feedback. The 25 MHz HCS12 core executes PI control loops with ample margin, and the 10-bit ADC reads current-sense shunts for protection. The 5V supply domain directly drives logic-level MOSFET gate drivers, reducing external component count. Firmware and a CAN-based command interface fit within the 64KB flash with room for OTA-style bootloaders via SCI.
推薦
Battery-Powered Instrumentation
Portable and low-duty instrumentation benefits from the HCS12's PLL clock flexibility: the core can idle in stop or wait modes between measurement bursts, waking via SCI, timer, or CAN events. The on-chip 2.5V regulated core domain derived from a 5V rail simplifies power-tree design in battery packs feeding linear regulators. With 64KB flash, logging firmware plus a simple display driver and UART telemetry fits comfortably, and the 52-pin LQFP's moderate pin count keeps two-layer battery-powered PCBs economical. Designers should verify deep-sleep current figures in the datasheet against their battery budget.
推薦
推薦產品摘要
工程參考資料，適用於 MC9S12C64MPBE — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MC9S12C32MPBE16 | MC9S12GC64MPBE | MC9S12GC96MPBE |
|---|---|---|---|---|
| Package | 52-TQFP / LQFP (10x10 mm) | 52-LQFP (10x10 mm) - same | 52-LQFP (10x10 mm) - same | 52-LQFP (10x10 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HCS12 (CPU12), 16-bit | HCS12 (CPU12), 16-bit | HCS12 (CPU12), 16-bit | HCS12 (CPU12), 16-bit |
| Flash Memory | 64KB | 32KB | 64KB | 96KB |
| CAN Interface | Yes | Yes | Yes | Yes |
| Product Generation | S12C | S12C | S12GC | S12GC |
主要差異化特點
- Full 64KB flash on a compact 52-pin footprint (對比MC9S12C32MPBE16)
- Lowest-risk legacy continuity (對比MC9S12GC64MPBE)
- Highest code headroom in the 52-pin drop-in set (對比MC9S12GC96MPBE)
設計說明
The MC9S12C64MPBE is NRND per the NXP product page (retrieved 2026-10-18). Do not start new designs on this part: contact NXP for product change notices and lifetime status, secure last-time-buy stock if you must sustain an existing design, and qualify a pin-compatible successor such as MC9S12GC64MPBE in parallel. Failing to plan the migration typically surfaces as an allocation crisis when final EOL notices are issued.
The S12C family uses a 5V-class external supply with an internal 2.5V regulated core domain. Decouple the VDD/VDDA pins per the manufacturer datasheet with local ceramic capacitors, and keep the PLL loop filter components close to the device with a quiet analog ground return. Verify the exact pin assignments in the S12C datasheet before layout, since VDDX/VSSX power-pin pairs differ between 48-, 52-, and 80-pin family members.
When driving a CAN bus, pair the on-chip CAN controller with a 5V CAN transceiver (for example a TJA1050-class part) and terminate the bus with 120 ohms at both physical ends. Route the CANH/CANDIFF pair as controlled-impedance differential traces and keep the crystal/EXTAL-XTAL traces short and guarded by ground to limit EMC. The HCS12 PLL lets you lower bus frequency in EMC-sensitive installations at the cost of control-loop latency.
合規資訊
Compliance details were not captured in the verified data retrieved 2026-10-18. The NXP product page includes an Environmental Quality section - consult it for RoHS/REACH declarations. Distributor listings for this MPN also display RoHS detail pages.
