MC9S12B64CFUE - 16-Bit HCS12 MCU 64KB Flash 25MHz 80-QFP | NXP
料号： MC9S12B64CFUE ⚠ 最后一次采购| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $16.65 | $16.65 |
| 10 | $14.95 | $149.50 |
| 100 | $12.85 | $1,285.00 |
| 500 | $11.2 | $5,600.00 |
| 1,000 | $10.1 | $10,100.00 |
MC9S12B64CFUE 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and peripherals such as timers, ADCs, and communication interfaces. Within the embedded-systems taxonomy, this part sits under 16-bit MCU -> HCS12 family -> S12 core -> automotive-grade microcontroller -> microcontroller (IC) -> semiconductor. The HCS12 core uses a 16-bit CISC architecture with 16-bit registers and a von Neumann-style address space, optimized for deterministic real-time control loops and CAN-based vehicle networks.
Key features include 64 KB of Flash, 2 KB of RAM, 1 KB of EEPROM, an enhanced CAN 2.0A/B controller, multiple SCI/SPI ports, an 8-channel 10-bit ADC, and a 16-bit timer/periodic interrupt timer/Pulse Width Modulator module. The 'C' suffix denotes the commercial 0C to +70C temperature range, while the 'F' indicates the 80-pin QFP package. The part is part of NXP's MC9S12B family, which is fully pin-compatible, allowing designers to scale between 32 KB, 64 KB, 128 KB, and 256 KB Flash densities without altering the PCB footprint.
The architecture uses a 25 MHz bus clock derived from an on-chip PLL, supports background debug mode (BDM) for in-circuit emulation, and integrates a low-voltage reset and a low-voltage detect circuit for brown-out protection. Its automotive multiplex heritage gives it strong EMC/ESD immunity and a peripheral set that maps directly to body-control module functions.
Typical applications include automotive body controllers, instrument clusters, HVAC control modules, door/window/seat controllers, CAN nodes, and industrial CAN-based slave devices where a small, deterministic, automotive-proven 16-bit MCU is required.
When designing with this part, place the 0.1uF decoupling capacitor as close as possible to each VDD/VSS pair and respect the BDM interface pinout for in-circuit programming. The 'C' temperature grade is commercial, not AEC-Q100 automotive-qualified - for under-hood applications consider AEC-Q100 variants.
This page synthesizes distributor pricing, drop-in alternatives from the MC9S12B family, and practical design notes not consolidated in the manufacturer datasheet.
直接替换替代料： MC9S12B64CFUE ——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： MC9S12B64CFUE （相同外形与封装尺寸） ——差异在于 Package, Core, Program Memory Size, RAM Size, RoHS Status.
快速对比工具——选择替代料号进行并排对比：
MC9S12B128CFUE
✅ 直接替换✓ 有现货
$14.85 / 个
查看数据手册 →MC9S12B32CFUE
✅ 直接替换📋 参考替代料（不在目录中）
MC9S12E256CFUE
✅ 直接替换✓ 有现货
$9.75 / 个
查看数据手册 →MC9S12E64CFUER
✅ 直接替换✓ 有现货
$7.4 / 个
查看数据手册 →MC9S12B64MFUE
✅ 直接替换✓ 有现货
$9.1 / 个
查看数据手册 →MC9S12B64CFUE 最大额定值与电气特性
| Core | HCS12 (S12 CISC, 16-bit) |
| Flash Memory | 64 KB |
| RAM | 2 KB |
| EEPROM | 1 KB |
| Maximum CPU Frequency | 25 MHz |
| 电源电压 | 5 V (typical) |
| 工作温度范围 | 0C to +70C (commercial 'C' grade) |
| 封装 | 80-QFP (14x14 mm) |
| 安装类型 | Surface Mount |
| ADC | 8-channel, 10-bit |
| CAN Module | 1x MSCAN 2.0A/B |
| SCI/SPI | 2x SCI, 1x SPI |
| Timers | 16-bit Timer + 8-bit PWM + PIT |
| Debug Interface | Background Debug Mode (BDM) |
| RoHS 状态 | Compliant |
| Lead-Free / Terminal Finish | Matte Tin (Sn) |
| Peak Reflow Temperature | 260C (max 40 s) |
MC9S12B64CFUE 引脚配置
| 引脚 1 | VRH — ADC reference high voltage |
| 引脚 2 | VRL — ADC reference low voltage |
| 引脚 3 | VDDR — Voltage regulator decoupling |
| 引脚 4 | VDD — Digital supply voltage (5V) |
| 引脚 5 | VSS — Digital ground |
| 引脚 6 | VDDA — Analog supply voltage |
| 引脚 7 | VSSA — Analog ground |
| 引脚 8 | PAD — Internal PAD pin (no-connect in 80-QFP) |
| 引脚 9 | RESET — Active-low external reset input |
| 引脚 10 | MODC — Mode select / BKGD |
| 引脚 11 | BKGD — Background Debug Mode data |
| 引脚 12 | XTAL — Crystal oscillator input |
| 引脚 13 | EXTAL — Crystal oscillator output |
| 引脚 14 | PE0 — Port E bit 0 (general I/O) |
| 引脚 15 | PE1 — Port E bit 1 (general I/O) |
| 引脚 16 | PE2 — Port E bit 2 (general I/O) |
| 引脚 17 | PE3 — Port E bit 3 (general I/O) |
| 引脚 18 | PE4 — Port E bit 4 (general I/O) |
| 引脚 19 | PE5 — Port E bit 5 (general I/O) |
| 引脚 20 | PE6 — Port E bit 6 (general I/O) |
| 引脚 21 | PE7 — Port E bit 7 (general I/O) |
| 引脚 22 | PH0 — Port H bit 0 (general I/O / IRQ) |
| 引脚 23 | PH1 — Port H bit 1 (general I/O / IRQ) |
| 引脚 24 | PH2 — Port H bit 2 (general I/O / IRQ) |
| 引脚 25 | PH3 — Port H bit 3 (general I/O / IRQ) |
| 引脚 26 | PH4 — Port H bit 4 (general I/O / IRQ) |
| 引脚 27 | PH5 — Port H bit 5 (general I/O / IRQ) |
| 引脚 28 | PH6 — Port H bit 6 (general I/O / IRQ) |
| 引脚 29 | PH7 — Port H bit 7 (general I/O / IRQ) |
| 引脚 30 | PJ0 — Port J bit 0 (CAN Tx / general I/O) |
| 引脚 31 | PJ1 — Port J bit 1 (CAN Rx / general I/O) |
| 引脚 32 | PJ2 — Port J bit 2 (general I/O) |
| 引脚 33 | PJ3 — Port J bit 3 (general I/O) |
| 引脚 34 | PJ4 — Port J bit 4 (general I/O) |
| 引脚 35 | PJ5 — Port J bit 5 (general I/O) |
| 引脚 36 | PJ6 — Port J bit 6 (general I/O) |
| 引脚 37 | PJ7 — Port J bit 7 (general I/O) |
| 引脚 38 | PK0 — Port K bit 0 (general I/O) |
| 引脚 39 | PK1 — Port K bit 1 (general I/O) |
| 引脚 40 | PK2 — Port K bit 2 (general I/O) |
| 引脚 41 | PK3 — Port K bit 3 (general I/O) |
| 引脚 42 | PK4 — Port K bit 4 (general I/O) |
| 引脚 43 | PK5 — Port K bit 5 (general I/O) |
| 引脚 44 | PK6 — Port K bit 6 (general I/O) |
| 引脚 45 | PK7 — Port K bit 7 (general I/O) |
| 引脚 46 | PA0 — Port A bit 0 (general I/O / timer) |
| 引脚 47 | PA1 — Port A bit 1 (general I/O / timer) |
| 引脚 48 | PA2 — Port A bit 2 (general I/O / timer) |
| 引脚 49 | PA3 — Port A bit 3 (general I/O / timer) |
| 引脚 50 | PA4 — Port A bit 4 (general I/O / timer) |
| 引脚 51 | PA5 — Port A bit 5 (general I/O / timer) |
| 引脚 52 | PA6 — Port A bit 6 (general I/O / timer) |
| 引脚 53 | PA7 — Port A bit 7 (general I/O / timer) |
| 引脚 54 | PB0 — Port B bit 0 (general I/O / SPI / SCI) |
| 引脚 55 | PB1 — Port B bit 1 (general I/O / SPI / SCI) |
| 引脚 56 | PB2 — Port B bit 2 (general I/O / SPI / SCI) |
| 引脚 57 | PB3 — Port B bit 3 (general I/O / SPI / SCI) |
| 引脚 58 | PB4 — Port B bit 4 (general I/O / SPI / SCI) |
| 引脚 59 | PB5 — Port B bit 5 (general I/O / SPI / SCI) |
| 引脚 60 | PB6 — Port B bit 6 (general I/O / SPI / SCI) |
| 引脚 61 | PB7 — Port B bit 7 (general I/O / SPI / SCI) |
| 引脚 62 | PC0 — Port C bit 0 (general I/O / PWM) |
| 引脚 63 | PC1 — Port C bit 1 (general I/O / PWM) |
| 引脚 64 | PC2 — Port C bit 2 (general I/O / PWM) |
| 引脚 65 | PC3 — Port C bit 3 (general I/O / PWM) |
| 引脚 66 | PC4 — Port C bit 4 (general I/O / PWM) |
| 引脚 67 | PC5 — Port C bit 5 (general I/O / PWM) |
| 引脚 68 | PC6 — Port C bit 6 (general I/O / PWM) |
| 引脚 69 | PC7 — Port C bit 7 (general I/O / PWM) |
| 引脚 70 | PD0 — Port D bit 0 (general I/O / SCI) |
| 引脚 71 | PD1 — Port D bit 1 (general I/O / SCI) |
| 引脚 72 | PD2 — Port D bit 2 (general I/O / SCI) |
| 引脚 73 | PD3 — Port D bit 3 (general I/O / SCI) |
| 引脚 74 | PD4 — Port D bit 4 (general I/O / SCI) |
| 引脚 75 | PD5 — Port D bit 5 (general I/O / SCI) |
| 引脚 76 | PD6 — Port D bit 6 (general I/O / SCI) |
| 引脚 77 | PD7 — Port D bit 7 (general I/O / SCI) |
| 引脚 78 | PF0 — Port F bit 0 (general I/O / IRQ) |
| 引脚 79 | PF1 — Port F bit 1 (general I/O / IRQ) |
| 引脚 80 | PF2 — Port F bit 2 (general I/O / IRQ) |
典型应用
MC9S12B64CFUE 适用于 7 应用s: Automotive Body Controller, Instrument Cluster Controller, HVAC Control Module, Door/Window/Seat Node (CAN Slave), Industrial CAN-Based Slave Device, Battery Management Slave (for 12V Systems), Marine / Off-Road Instrument Module.
Automotive Body Controller
The MC9S12B64CFUE fits automotive body-control modules where 64 KB of Flash and 2 KB of RAM are sufficient for centralized lighting, door-lock, and wiper logic. Its on-chip MSCAN module supports 2.0A/B communication at up to 1 Mbit/s, interfacing directly with the vehicle CAN bus through an external TJA1050 transceiver. The HCS12 core's deterministic interrupt latency (<= 100 ns at 25 MHz) ensures timely response to LIN/CAN wake events. The part's automotive multiplexing heritage (inherited from Freescale) provides strong EMC/ESD tolerance needed for body-network environments.
推荐
Instrument Cluster Controller
The MC9S12B64CFUE serves as the master MCU in instrument-cluster designs driving stepper-motor gauges or LCD segment displays. Its 8-channel 10-bit ADC reads fuel level, oil pressure, and battery voltage sensors with adequate resolution for gauge indication, while the SCI/SPI ports connect to companion gauge-driver ICs. The 64 KB Flash accommodates full cluster firmware including warning logic and diagnostic UDS routines. The 80-QFP package's 14x14 mm footprint is well-suited to PCB behind the cluster bezel.
推荐
HVAC Control Module
The MC9S12B64CFUE is well-matched to HVAC control modules that manage blower speed, mode doors, and climate sensors. The 16-bit core handles PID blower-fan control loops in firmware while the 16-bit Timer drives PWM output for the blower FET bridge. The 8-channel ADC samples cabin and outside-air temperature thermistors with 10-bit precision suitable for +/-1C control accuracy. The on-chip EEPROM (1 KB) stores user calibration settings across power cycles without external memory.
推荐
Door/Window/Seat Node (CAN Slave)
The MC9S12B64CFUE acts as a CAN-based slave node in distributed body-electronics architectures (e.g., door modules controlling window, mirror, and lock actuators). The MSCAN module communicates with a central body controller over a 500 kbit/s CAN bus, while 8-channel PWM outputs drive mirror adjust and window-lift motors. Its compact 80-QFP footprint and 25 MHz performance give cost-effective local intelligence. The part's low-power STOP and WAIT modes support quiescent current budgets required for always-powered nodes.
推荐
Industrial CAN-Based Slave Device
Beyond automotive, the MC9S12B64CFUE is used in industrial CANopen slave devices such as sensor hubs, valve actuators, and remote I/O blocks. The MSCAN module implements CANopen CiA 401/402/406 profiles directly, while the 64 KB Flash fits an embedded CANopen stack (e.g., CANopenNode). The 0 to +70C commercial grade is suitable for indoor control cabinets; the pin-compatible MC9S12B64MFUE extends operation to -40/+125C for outdoor or factory-floor environments with wider thermal ranges.
推荐
Battery Management Slave (for 12V Systems)
The MC9S12B64CFUE is suitable as a 12V lead-acid battery management slave that monitors cell voltage and temperature over CAN. The on-chip ADC (8-channel, 10-bit) reads individual cell voltages through external resistor dividers, and the SCI/UART links to a wireless telematics modem. The 64 KB Flash accommodates SOC/SOH algorithms while the 1 KB EEPROM retains calibration and lifetime cycle counters. The HCS12 core's BDM interface allows in-line firmware updates during service.
推荐
Marine / Off-Road Instrument Module
The MC9S12B64CFUE fits marine and off-road vehicle instrument modules exposed to humidity, vibration, and -20 to +70C thermal envelopes. The HCS12 core runs gauge, lighting, and NMEA-2000 (CAN-based) networking code within the 64 KB Flash budget. Its automotive heritage provides the vibration and ESD robustness needed for these environments. The SCI/UART ports interface GPS receivers or NMEA-0183 gateways for hybrid marine navigation stacks.
推荐
推荐产品汇总
工程参考数据： MC9S12B64CFUE ——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 | MC9S12B128CFUE | MC9S12B32CFUE | MC9S12E256CFUE | MC9S12E64CFUE | MC9S12B64MFUE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 80-QFP (14x14) | 80-QFP (14x14) - same | 80-QFP (14x14) - same | 80-QFP (14x14) - same | 80-QFP (14x14) - same | 80-QFP (14x14) - same |
| Flash | 64 KB | 128 KB (+100%) | 32 KB (-50%) | 256 KB (+300%) | 64 KB (same) | 64 KB (same) |
| Core Speed | 25 MHz | 25 MHz (same) | 25 MHz (same) | 25 MHz (same) | 25 MHz (same) | 25 MHz (same) |
| Temperature Grade | 0C to +70C (Commercial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | -40C to +125C (Automotive) |
| RAM | 2 KB | 2 KB (same) | 1 KB (-50%) | 4 KB (+100%) | 4 KB (+100%) | 2 KB (same) |
| EEPROM | 1 KB | 1 KB (same) | 1 KB (same) | 1 KB (same) | 1 KB (same) | 1 KB (same) |
| CAN Modules | 1x MSCAN | 1x MSCAN (same) | 1x MSCAN (same) | 2x MSCAN (+100%) | 2x MSCAN (+100%) | 1x MSCAN (same) |
| Pin / Package Match | 80-QFP (this product) | Yes - drop-in | Yes - drop-in | Yes - drop-in | Yes - drop-in | Yes - drop-in |
关键差异点
- Commercial-grade HCS12 in standard 80-QFP footprint （对比 MC9S12B64MFUE)
- Pin-compatible scaling across the MC9S12B family （对比 MC9S12B128CFUE)
- Single-CAN baseline versus dual-CAN E-series （对比 MC9S12E256CFUE)
设计说明
The MC9S12B64CFUE draws ~50 mA in RUN at 25 MHz with all peripherals active. Decouple each VDD/VSS pair with a 0.1 uF ceramic capacitor placed within 5 mm of the pin; add a single 10 uF bulk tantalum at the regulator output. The internal 2.5V VDDR regulator needs its own 0.1 uF + 4.7 uF decoupling network to suppress PLL phase noise. Power sequencing is single-rail - no special power-up order is required.
Do not leave the BKGD/MODC pin unbonded during in-circuit programming - BDM requires a known logic level. Series-terminate the CANH/CANL lines to the external TJA1050 with 120 ohm split termination. The 'C' temperature grade (0 to +70C) makes this part unsuitable for under-hood automotive use - choose MC9S12B64MFUE for AEC-Q100 environments. Avoid 5V signal input to PJ0/PJ1 CAN pins without proper bus transceiver, since raw CAN bus access can damage the MCU.
Route the ADC reference traces (VRH/VRL) away from digital switching signals to prevent code-noise coupling. Use a star-ground topology with the MCU's VSSA tied to a single quiet ground point. Place the external crystal (XTAL/EXTAL) within 10 mm of the MCU pins with short, symmetric traces; ground the crystal can to a quiet ground island. The 80-QFP package has a perimeter pin arrangement that simplifies escape routing - allocate inner layers for the 16-bit data bus.
合规信息
RoHS compliant with Matte Tin (Sn) terminal finish per Partstack JESD-609 Code e3. Peak reflow 260C / 40 s. Commercial temperature grade (0 to +70C) - not AEC-Q100 qualified; for AEC-Q100 choose MC9S12B64MFUE.