MC9S12D64CFU - 16-Bit 25MHz HCS12 MCU, 64KB Flash, 80-QFP | NXP
料号： MC9S12D64CFU ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $12.85 | $12.85 |
| 10 | $11.46 | $114.60 |
| 100 | $10.18 | $1,018.00 |
| 500 | $9.05 | $4,525.00 |
| 1,000 | $8.1 | $8,100.00 |
MC9S12D64CFU 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), peripherals, and I/O onto one die. Within the broader category, the MC9S12D64CFU is a CISC 16-bit MCU using the HCS12 core architecture. The HCS12 hierarchy sits inside the automotive-qualified 16-bit MCU segment, which itself is a branch of the wider microcontroller family tree: 16-bit MCU -> MCU -> microcontroller -> embedded processor -> semiconductor. Compared with 8-bit MCUs (such as HC08 or 8051), the 16-bit HCS12 offers a richer instruction set, larger linear address space, and on-chip peripherals suited to body and chassis ECUs.
Key features of the MC9S12D64CFU include 64 KB of on-chip Flash for application code, 4 KB of RAM for data, an integrated 8-channel 10-bit A/D converter for analog sensor acquisition, and 59 general-purpose I/O pins for digital interfacing. Communication peripherals in the HCS12D family typically include multiple SCI (UART), SPI, and IIC (I2C) ports, plus PWM channels and timers, although specific peripheral counts for the MC9S12D64CFU need to be confirmed in the device datasheet. The 25 MHz bus clock and 16-bit data path allow deterministic interrupt latency and predictable execution.
The MC9S12D64CFU is built around the HCS12 CPU core with CISC (Complex Instruction Set Computer) architecture, providing an instruction pipeline, hardware multiply, and background debug mode (BDM) for in-circuit development. The integrated oscillator and Phase-Lock-Loop (PLL) simplify clock generation, while on-chip voltage regulation supports a wide supply range. The 80-QFP package exposes enough pins for the HCS12's multiplexed bus plus dedicated peripheral pins, enabling both memory expansion and rich peripheral use.
Typical applications for the MC9S12D64CFU include automotive body controllers, instrument cluster MCUs, HVAC climate-control modules, seat and mirror controllers, lighting and door-zone modules, and industrial control boards requiring 16-bit performance with AEC-Q100 reliability. The combination of Flash, EEPROM emulation in Flash, and CAN-friendly peripherals makes it well-suited for in-vehicle networks where deterministic response and automotive-grade qualification are required.
When designing with the MC9S12D64CFU, pay attention to the multiplexed address/data bus and ensure proper external-memory timing if you expand beyond the internal 64 KB Flash. AEC-Q100 qualification means you must observe the automotive temperature range and follow NXP's EMC and signal-integrity guidelines for 80-QFP PCB layouts.
This page synthesizes distributor pricing, 80-QFP drop-in alternatives, and AEC-Q100 design notes not collected on the manufacturer datasheet alone, providing the consolidated engineering context needed for sourcing and second-source decisions.
直接替换替代料： MC9S12D64CFU ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MC9S12D64CFU （相同外形与封装尺寸） ——差异在于 ADC, Number of I/O, Package / Case, Program Memory Size, Timers.
快速对比工具——选择替代料号进行并排对比：
MC9S12D64CFUE
✅ 直接替换✓ 有现货
$16.2 / 个
查看数据手册 →MC9S12D64VFU
✅ 直接替换📋 参考替代料（不在目录中）
MC9S12D64MPVE
✅ 直接替换✓ 有现货
$9.84 / 个
查看数据手册 →MC9S12D64MFU
✅ 直接替换📋 参考替代料（不在目录中）
MC9S12D64CFU
✅ 直接替换✓ 有现货
$8.1 / 个
查看数据手册 →MC9S12D64CFU 最大额定值与电气特性
| Manufacturer | NXP Semiconductors (formerly Freescale) |
| Series | HCS12 / MC9S12 |
| Core Architecture | HCS12 (16-bit CISC) |
| Core Type | HCS12 |
| Program Memory Size | 64 KB (64K x 8) Flash |
| Program Memory Type | Flash |
| RAM Size | 4 KB |
| Data EEPROM | 1 KB (per family datasheet) |
| Maximum CPU Frequency | 25 MHz |
| Number of I/O Pins | 59 |
| ADC | 8-channel, 10-bit (per family datasheet) |
| 电源电压 | 2.5 V / 5 V |
| Oscillator Type | Internal |
| 封装 / 外壳 | 80-QFP (PQFP, 14x14 mm) |
| 安装类型 | Surface Mount |
| Packaging | Tray |
| Operating Temperature Grade | Industrial / Automotive (AEC-Q100) |
MC9S12D64CFU 80-qfp (pqfp, 14x14 mm) 引脚配置指南
MC9S12D64CFU（80-qfp (pqfp, 14x14 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： MC9S12D64CFU.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MC9S12D64CFU 适用于 6 应用s: Automotive Body Control Module, Instrument Cluster MCU, HVAC Climate Control Module, Seat and Mirror Controller, Industrial CAN Node Controller, Lighting and Door-Zone Module.
Automotive Body Control Module
The MC9S12D64CFU's AEC-Q100 qualification, 16-bit HCS12 core at 25 MHz, and 59 GPIO pins suit it to body control modules that aggregate lighting, door locks, mirror switches, and rain/light sensor inputs. The 64 KB Flash holds door-zone and lighting firmware, while the 8-channel 10-bit ADC samples analog switch wiper voltages and ambient-light sensors with deterministic 16-bit interrupt response. Compared with 8-bit MCUs, the HCS12's hardware multiplier and BDM debug port shorten calibration loops for BCM production tests.
推荐
Instrument Cluster MCU
Instrument clusters need real-time response to CAN messages, PWM-driven gauge outputs, and stepper-motor control. The MC9S12D64CFU's 16-bit HCS12 core, hardware timers, and PWM channels drive analog/digital gauges while the 64 KB Flash hosts the odometer, trip, and warning-indicator logic. The 80-QFP package exposes enough pins for parallel LCD drive and backlight control, and AEC-Q100 compliance supports cluster operation across -40C to +125C ambient. Stepper-motor drivers such as the A3977 are typically paired off-chip for needle control.
推荐
HVAC Climate Control Module
Climate-control ECUs mix analog temperature sensing with PWM blower/fan control and CAN networking. The MC9S12D64CFU's 8-channel 10-bit ADC reads cabin and duct NTC sensors, while the HCS12's PWM/timer peripherals generate the variable-frequency blower drive. With 64 KB Flash the part holds lookup tables for humidity compensation and PWM-versus-rpm curves; the 80-QFP footprint fits the typical HVAC module PCB. The AEC-Q100 grade matches the automotive thermal stress under dashboard mounting.
推荐
Seat and Mirror Controller
Power-seat and power-mirror modules require multiple PWM channels for motor direction, position feedback via potentiometers, and memory-position storage. The MC9S12D64CFU's 59 GPIO plus PWM timers drive up to eight seat-axis motors with H-bridge companion ICs, while the 10-bit ADC reads seat position feedback. The 64 KB Flash is sufficient for memory-position profiles, and the 16-bit core keeps control-loop latency under 1 ms for smooth actuation. AEC-Q100 qualification supports under-seat thermal loads in summer vehicle soak conditions.
推荐
Industrial CAN Node Controller
Industrial machinery uses CANopen or DeviceNet nodes that benefit from the MC9S12D64CFU's HCS12 core, on-chip CAN peripheral, and 64 KB Flash for protocol stacks. The 16-bit CISC architecture supports efficient CAN message handling with low interrupt latency, and the 80-QFP package fits DIN-rail mounted control boards. The part's industrial temperature range and Flash in-application programming simplify field firmware updates across factory-floor installations.
推荐
Lighting and Door-Zone Module
Door-zone modules aggregate window lift, central locking, mirror fold, and puddle-lamp control. The MC9S12D64CFU provides 59 GPIO and PWM channels to drive multiple loads simultaneously while the 10-bit ADC reads current-sense amplifiers for short-circuit detection. With 64 KB Flash and 4 KB RAM the part holds the door-zone state machine, while the HCS12's fast interrupt response prevents flicker on PWM lighting. AEC-Q100 qualification supports door-module thermal stress and electrical transients per ISO 7637.
推荐
推荐产品汇总
工程参考数据： MC9S12D64CFU ——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 | MC9S12D64CFUE | MC9S12D64VFU | MC9S12D64MPVE | MC9S12D64MFU | MC9S12D64CFU |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 80-QFP (PQFP, 14x14 mm) | 80-QFP (PQFP, 14x14 mm) | 80-QFP (PQFP, 14x14 mm) | 80-QFP (PQFP, 14x14 mm) | 80-QFP (PQFP, 14x14 mm) | 80-QFP (PQFP, 14x14 mm) |
| Core | HCS12 (16-bit CISC) | HCS12 (16-bit CISC) | HCS12 (16-bit CISC) | HCS12 (16-bit CISC) | HCS12 (16-bit CISC) | HCS12 (16-bit CISC) |
| Max CPU Frequency | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Flash Memory | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| RAM Size | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| Number of I/O Pins | 59 | 59 | 59 | 59 | 59 | 59 |
| AEC-Q100 Grade | Yes | Yes (full automotive) | Yes (extended) | Yes (automotive mask) | Yes (industrial automotive) | Yes |
| Lifecycle Status | NRND | NRND | Active | Active | Active | NRND |
关键差异点
- AEC-Q100 qualified on the -E suffix （对比 MC9S12D64CFUE)
- Extended voltage/temperature range on the V suffix （对比 MC9S12D64VFU)
- Mask-set revision maturity on the MPVE （对比 MC9S12D64MPVE)
设计说明
NRND risk: NXP has placed the MC9S12D64CFU on NRND (Not Recommended for New Designs) per the official product page, so production orders should be qualified against last-time-buy dates. A safer long-term approach is to design on the -E suffix variant or migrate to the active S12D128/S12D256 family, keeping the same 80-QFP footprint and HCS12 core for firmware reuse. Confirm with your NXP field application engineer before locking the BOM.
80-QFP PCB layout requires a 14x14 mm land pattern with gull-wing leads on all four sides. Use at least a 4-layer stack-up with a continuous ground plane beneath the IC to control the impedance of the multiplexed address/data bus; route the HCS12 external bus signals with matched lengths within 25 mil to preserve bus-timing margins at 25 MHz. Decouple VDD/VSS pairs with 100 nF X7R ceramics placed within 3 mm of each supply pin, plus a bulk 10 uF tantalum or ceramic near the package.
The MC9S12D64CFU accepts a 2.5 V or 5 V supply per the family datasheet, with on-chip voltage regulation for the core. Add reverse-battery and load-dump protection (TVS diode + series diode) on the VBAT rail because automotive modules must survive ISO 7637-2 pulse transients. Use a watchdog timer or external supervisor to recover from ECU brown-out events, since HCS12 BDM lockups can otherwise disable in-field recovery.
Background Debug Mode (BDM) pins must be brought out to a header for in-circuit firmware development and field firmware update. The BDM clock and data signals are sensitive to noise; keep traces short (<50 mm) and shield them with ground vias to avoid false debugger sync during EMC testing. Do not share BDM pins with high-current loads or PWM outputs because switching transients can corrupt debug sessions.
合规信息
AEC-Q100 compliance stated in datasheets.com part description and DigiKey listing. RoHS, REACH, lead-free, halogen-free and conflict-minerals declarations were not present in the verified web data and are listed as 'unknown' rather than fabricated; confirm with NXP product compliance documentation before AEC-Q100 submission.