MC9S12E64CPV - 16-bit HCS12 MCU 64KB Flash 112-LQFP | NXP
料号： MC9S12E64CPV ✗ 停产MC9S12E64CPV 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and programmable peripherals into one package. The HCS12 MCU belongs to the broader 16-bit embedded controller taxonomy, sitting between 8-bit microcontrollers (e.g. HC08, AVR) and 32-bit microcontrollers (e.g. ARM Cortex-M). MCUs are the foundation of embedded systems, used wherever deterministic real-time control, low power, and on-chip integration are required. The HCS12 family specifically targets automotive body controllers, industrial control, and consumer appliances where 16-bit arithmetic throughput and CAN connectivity are required.
Key features of the MC9S12E64CPV include 64 KB (64K x 8) of Flash program memory, 4 KB of on-chip RAM, an internal oscillator eliminating external clock hardware, and 92 programmable I/O pins for flexible peripheral mapping. The device supports 25 MHz bus operation at 5 V (40 ns minimum instruction cycle) and 16 MHz bus operation at 3.3 V (62.5 ns minimum instruction cycle), enabling dual-voltage operation. The wide operating voltage range supports both 5 V legacy industrial designs and 3.3 V low-power systems.
Technically, the HCS12 core employs a 16-bit arithmetic logic unit with enhanced indexed addressing modes and a hardware multiply/accumulate engine. The architecture integrates background debug mode (BDM) for in-circuit programming and debugging without an emulator. The 112-LQFP package provides ample I/O count for body controllers, HVAC modules, and industrial sensor hubs.
Typical applications include automotive body control modules, HVAC controllers, industrial sensor interface boards, and CAN-node endpoints. The 92 I/O count and on-chip CAN-friendly timers make this part well-suited for distributed automotive networks. Design consideration: ensure proper decoupling (0.1 uF plus bulk capacitance) on each VDD/VSS pair, and follow the trace-length guidelines for the external bus interface when expanding memory. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： MC9S12E64CPV ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
MC9S12E128CPV
✅ 直接替换📋 参考替代料（不在目录中）
MC9S12E32CPV
✅ 直接替换📋 参考替代料（不在目录中）
MC9S12E64CFU
✅ 直接替换📋 参考替代料（不在目录中）
MC9S12E64CPV 最大额定值与电气特性
| Core | HCS12 (16-bit) |
| Program Memory Size | 64 KB (64K x 8) Flash |
| RAM Size | 4 KB (4K x 8) |
| Number of I/O Lines | 92 |
| 封装 / 外壳 | 112-LQFP (20x20 mm) |
| Bus Speed (5 V) | 25 MHz (40 ns min cycle) |
| Bus Speed (3.3 V) | 16 MHz (62.5 ns min cycle) |
| Oscillator Type | Internal |
| Operating Voltage | 3.3 V or 5 V |
| 工作温度 | -40C to +85C (industrial) |
| 安装类型 | Surface Mount |
| Packaging | Tray |
| Instruction Set | 68HC11 opcode-compatible |
| CPU Core | HCS12 |
| Connectivity | SCI/SPI (CAN per family) |
| RoHS 状态 | Compliant |
MC9S12E64CPV 112-lqfp (20x20 mm) 引脚配置指南
MC9S12E64CPV（112-lqfp (20x20 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： MC9S12E64CPV.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MC9S12E64CPV 适用于 6 应用s: Automotive Body Control Module, HVAC Climate Controller, Industrial Sensor Hub, CAN Node Endpoint, Consumer Appliance Control, Industrial Pump Controller.
Automotive Body Control Module
The MC9S12E64CPV's 92 I/O lines and 64 KB Flash make it well-suited for automotive body control modules managing lighting, door locks, mirror actuators, and wiper controls. The HCS12 core's 25 MHz bus speed at 5 V provides deterministic real-time response for body-electronics tasks, while the 16-bit ALU simplifies sensor fusion for ambient-light and rain sensors. Integrated SCI/SPI peripherals enable communication with door modules and instrument clusters via the vehicle's local interconnect network.
推荐
HVAC Climate Controller
HVAC controllers benefit from the MC9S12E64CPV's 92 I/O count to interface with temperature sensors, blower motor drivers, and mode-stepper actuators without external mux ICs. The 4 KB RAM supports lookup-table-based PID control loops, while the 64 KB Flash accommodates blower-ramp profiles and OEM calibration tables. The part's 3.3 V/5 V dual-voltage operation allows direct interface with both legacy analog sensors and modern digital temperature ICs on the same PCB.
推荐
Industrial Sensor Hub
The 92 I/O pins on the MC9S12E64CPV allow direct interfacing with multiple analog and digital sensors in industrial sensor hubs, eliminating the need for I/O expander chips. Its 64 KB Flash accommodates protocol stacks for Modbus, CANopen, or proprietary industrial protocols, while the 4 KB RAM is sufficient for buffering sensor data before forwarding to a gateway. The HCS12 core's 68HC11 opcode compatibility eases migration from older industrial designs.
推荐
CAN Node Endpoint
In distributed CAN networks, the MC9S12E64CPV serves as an endpoint controller for sensors and actuators reporting to a central gateway. The integrated CAN-compatible timer module (msCAN) supports 1 Mbit/s CAN 2.0B communication when paired with an external transceiver. The 64 KB Flash holds CANopen or DeviceNet stack libraries, while 92 I/O lines interface with motor encoders, limit switches, and valve drivers in machine-automation cells.
推荐
Consumer Appliance Control
Washing machines, dishwashers, and ovens use the MC9S12E64CPV to manage motor control, user interfaces, and safety interlocks. The 92 I/O count drives seven-segment displays, keypad matrices, and relay banks directly without external drivers. The HCS12 core's 25 MHz throughput supports real-time motor-control algorithms such as field-oriented control (FOC) for brushless DC motors in modern inverter-based appliances.
推荐
Industrial Pump Controller
The MC9S12E64CPV drives variable-speed pump controllers in HVAC and process-control applications. The 16-bit HCS12 ALU executes PID control loops with sufficient precision for flow and pressure regulation, while the 64 KB Flash stores pump-curves, fault logs, and Modbus configuration. The 92 I/O lines interface with flow meters, pressure transducers, and variable-frequency drive enable signals in a single-chip solution.
推荐
推荐产品汇总
工程参考数据： MC9S12E64CPV ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MC9S12E128CPV | MC9S12E32CPV | MC9S12E64CFU |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 112-LQFP (20x20 mm) | 112-LQFP (20x20 mm) | 112-LQFP (20x20 mm) | 112-LQFP (20x20 mm) |
| Program Memory (Flash) | 64 KB | 128 KB | 32 KB | 64 KB |
| RAM Size | 4 KB | 4 KB | 2 KB | 4 KB |
| Number of I/O | 92 | 92 | 92 | 92 |
| Bus Speed (max) | 25 MHz at 5 V | 25 MHz at 5 V | 25 MHz at 5 V | 25 MHz at 5 V |
| Core | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) |
| Lifecycle Status | NRND | NRND | NRND | NRND |
关键差异点
- Opcode-compatible with 68HC11 legacy code （对比 ARM Cortex-M0 MCUs)
- Integrated internal oscillator （对比 External-crystal-only competitors)
- 92 I/O pins in single package （对比 Smaller-footprint MCUs (64-pin or 80-pin))
设计说明
Place 0.1 uF decoupling capacitors within 5 mm of each VDD/VSS pin pair on the 112-LQFP package. The HCS12E family draws fast switching transients during Flash programming; bulk decoupling of 10 uF tantalum plus 100 nF ceramic on each power rail is recommended. Per the Freescale/NXP user guide, separate analog (VDDA/VSSA) and digital (VDD/VSS) supplies reduce ADC noise by 10-15 dB.
The 112-LQFP (20x20 mm) package with 0.5 mm pitch requires 4-layer PCB stack-up for reliable assembly. Per IPC-7351 guidelines, allocate at least 0.25 mm clearance between adjacent pads and 0.40 mm pad-to-via clearance. Add a copper pour connected to VSS on the top layer under the device to improve thermal dissipation - the HCS12E family dissipates approximately 0.5-1 W at full bus activity.
Do not exceed 5.5 V on any VDD pin - the HCS12E family's absolute maximum is 6 V for brief transients only. The internal oscillator requires the PLL configuration register (PLLCTL) to be programmed correctly; an unlocked PLL halts the bus clock. When migrating from 68HC11 code, ensure the indexed addressing mode mapping matches HCS12 conventions, particularly for the X register versus Y register usage in legacy code.
The Background Debug Mode (BDM) interface pins (BKGD, RESET) require pull-up resistors per Freescale/NXP recommendations. Place 4.7 kohm pull-ups on BKGD and RESET, and route BDM traces away from high-frequency switching nodes. For CAN bus connections using the integrated msCAN module, keep CANH/CANL traces as a differential pair with 120 ohm characteristic impedance and matched length within 5 mm.
合规信息
RoHS and REACH compliant per NXP/Freescale documentation. AEC-Q100 qualification status not explicitly stated in available datasheet excerpts. Lead-free matte-tin plating on 112-LQFP package.
