MC908GR60ACFAE - 8-bit HC08 MCU 60KB Flash 48-LQFP | NXP
料号： MC908GR60ACFAE ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $11.5 | $11.50 |
| 10 | $10.35 | $103.50 |
| 100 | $9.2 | $920.00 |
| 500 | $8.05 | $4,025.00 |
| 1,000 | $6.9 | $6,900.00 |
MC908GR60ACFAE 概述
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash/ROM), volatile working memory (RAM), and a variety of peripheral interfaces into one package. HC08 microcontrollers belong to the broader category of CISC (Complex Instruction Set Computer) 8-bit controllers, sitting within the hierarchy: 8-bit MCU -> CISC microcontroller -> embedded controller -> semiconductor IC. The M68HC08 architecture is fully upward-compatible at the object-code level with the earlier M6805, M146805, and M68HC05 families, allowing legacy code migration without software rewrites.
Key features include 60KB of Flash program memory organized as 60K x 8, 2KB of on-chip RAM, an 8 MHz internal bus, an integrated 10-bit ADC with up to 24 input channels, dual timer interfaces (TIM1 and TIM2), a Serial Communications Interface (SCI) and a Serial Peripheral Interface (SPI). The CPU08 core delivers an instruction set optimized for C compilers, which simplifies firmware development and accelerates time-to-market for embedded designers.
The MC908GR60ACFAE is targeted at cost-sensitive automotive body electronics and industrial control applications. Typical end products include instrument clusters, body controllers, HVAC modules, sensor interfaces, small motor control boards, and white-goods control boards. Its wide operating voltage range (3.0V to 5.5V typical) and automotive temperature grade (-40C to +125C) make it well suited to under-hood and chassis environments.
When designing with this part, allocate a minimum of 0.5 inch square of PCB copper beneath the exposed thermal pad and follow NXP's recommended decoupling scheme of one 100 nF X7R ceramic capacitor per VDD pin placed within 3 mm of the pin. The Flash memory is specified for at least 10,000 program/erase cycles per sector, so applications requiring heavy in-application reprogramming should plan wear-leveling or external EEPROM augmentation.
直接替换替代料： MC908GR60ACFAE ——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： MC908GR60ACFAE （相同外形与封装尺寸） ——差异在于 Core Architecture, Package / Case, Program Memory Size, RAM Size, Supply Voltage.
快速对比工具——选择替代料号进行并排对比：
该产品暂无直接替换替代料。
请求替代料MC908GR60ACFAE 最大额定值与电气特性
| Core Architecture | M68HC08 (CPU08) - 8-bit CISC |
| Program Memory | 60 KB Flash (60K x 8) |
| RAM | 2 KB on-chip |
| Maximum Bus Frequency | 8 MHz internal |
| 电源电压 | 3.0 V to 5.5 V (3.3 V / 5 V typical) |
| ADC | 10-bit, up to 24 channels |
| Communication Interfaces | SCI (UART) + SPI |
| Timers | TIM1 and TIM2 (16-bit timer modules) |
| I/O Pins | Up to 40 general-purpose I/O |
| 封装 | 48-pin LQFP (7x7 mm) |
| 安装类型 | Surface Mount |
| 工作温度 | -40 C to +125 C (automotive grade) |
| Object-code Compatibility | M6805, M146805, M68HC05 families |
| RoHS 状态 | Compliant |
MC908GR60ACFAE 引脚配置
| 引脚 1 | PTD0/T1CH0 — Port D I/O / Timer 1 channel 0 |
| 引脚 2 | PTD1/T1CH1 — Port D I/O / Timer 1 channel 1 |
| 引脚 3 | PTD2 — Port D I/O |
| 引脚 4 | PTD3 — Port D I/O |
| 引脚 5 | VDD — Supply voltage |
| 引脚 6 | VSS — Ground |
| 引脚 7 | PTA0 — Port A I/O |
| 引脚 8 | PTA1 — Port A I/O |
| 引脚 9 | PTA2 — Port A I/O |
| 引脚 10 | PTA3 — Port A I/O |
| 引脚 11 | PTA4 — Port A I/O |
| 引脚 12 | PTA5 — Port A I/O |
| 引脚 13 | PTA6 — Port A I/O |
| 引脚 14 | PTA7 — Port A I/O |
| 引脚 15 | PTB0/AD0 — Port B I/O / ADC channel 0 |
| 引脚 16 | PTB1/AD1 — Port B I/O / ADC channel 1 |
| 引脚 17 | PTB2/AD2 — Port B I/O / ADC channel 2 |
| 引脚 18 | PTB3/AD3 — Port B I/O / ADC channel 3 |
| 引脚 19 | PTB4/AD4 — Port B I/O / ADC channel 4 |
| 引脚 20 | PTB5/AD5 — Port B I/O / ADC channel 5 |
| 引脚 21 | PTB6/AD6 — Port B I/O / ADC channel 6 |
| 引脚 22 | PTB7/AD7 — Port B I/O / ADC channel 7 |
| 引脚 23 | PTC0/AD8 — Port C I/O / ADC channel 8 |
| 引脚 24 | PTC1/AD9 — Port C I/O / ADC channel 9 |
| 引脚 25 | PTC2/AD10 — Port C I/O / ADC channel 10 |
| 引脚 26 | PTC3/AD11 — Port C I/O / ADC channel 11 |
| 引脚 27 | PTC4/AD12 — Port C I/O / ADC channel 12 |
| 引脚 28 | PTC5/AD13 — Port C I/O / ADC channel 13 |
| 引脚 29 | PTC6/AD14 — Port C I/O / ADC channel 14 |
| 引脚 30 | PTC7/AD15 — Port C I/O / ADC channel 15 |
| 引脚 31 | VDD — Supply voltage |
| 引脚 32 | VSS — Ground |
| 引脚 33 | TxD — SCI transmit |
| 引脚 34 | RxD — SCI receive |
| 引脚 35 | SPSCK — SPI clock |
| 引脚 36 | MOSI — SPI master-out / slave-in |
| 引脚 37 | MISO — SPI master-in / slave-out |
| 引脚 38 | SS — SPI slave select |
| 引脚 39 | OSC1 — Crystal oscillator input |
| 引脚 40 | OSC2 — Crystal oscillator output |
| 引脚 41 | RST — Reset (active low) |
| 引脚 42 | IRQ — External interrupt request |
| 引脚 43 | PTD4 — Port D I/O |
| 引脚 44 | PTD5 — Port D I/O |
| 引脚 45 | PTD6 — Port D I/O |
| 引脚 46 | PTD7 — Port D I/O |
| 引脚 47 | VDDR — Voltage regulator output |
| 引脚 48 | VSSR — Voltage regulator ground |
典型应用
MC908GR60ACFAE 适用于 6 应用s: Automotive Body Control Module, Industrial HVAC Controller, Sensor Interface and Signal Conditioning Board, Appliance Control (White Goods), Instrument Cluster Display Driver, Small Motor Control Board.
Automotive Body Control Module
The MC908GR60ACFAE fits automotive body controllers because it operates across 3.0V to 5.5V and is qualified to -40C to +125C, matching the under-hood and cabin thermal envelope. Its 60KB Flash accommodates body-control firmware including lighting, door-lock, and wiper control state machines, while the 10-bit ADC with up to 24 channels digitizes multiple sensor inputs simultaneously. Compared with newer S08 parts, the GR60A remains attractive for cost-sensitive 8-bit designs where pin-compatible migration is unnecessary and 5V tolerance is mandatory.
推荐
Industrial HVAC Controller
HVAC control boards benefit from the MC908GR60ACFAE's wide 5V tolerance and dual 16-bit timers, which drive triac-based phase-angle control of AC loads and brushless fans. The 60KB Flash stores seasonal control tables and fault logs, while the SCI interface links to a master PLC or Modbus transceiver. Industrial designers value the part's -40C to +125C automotive-grade temperature range, which exceeds commercial MCU specifications for outdoor HVAC installations.
推荐
Sensor Interface and Signal Conditioning Board
The MC908GR60ACFAE integrates a 10-bit ADC with up to 24 input channels, which is more than enough for multi-sensor interface boards that read temperature, pressure, and flow sensors in parallel. Its 2KB RAM buffers averaged ADC samples before SCI/SPI transmission to a host processor. Designers choose this 8-bit MCU over 32-bit parts to minimize BOM cost while still meeting noise and linearity requirements for industrial transducer front-ends.
推荐
Appliance Control (White Goods)
White-goods control boards such as washing machines, dishwashers, and refrigerators use the MC908GR60ACFAE for user-interface handling, motor timing, and safety interlocks. The 60KB Flash stores wash-cycle profiles, while the TIM1/TIM2 modules generate the PWM signals for motor drivers and the SCI interface drives the front-panel display. The 5V tolerance simplifies integration with legacy triac driver stages common in 110/220V appliances.
推荐
Instrument Cluster Display Driver
Automotive instrument clusters rely on the MC908GR60ACFAE to scan analog gauge sensors via the 10-bit ADC and to drive stepper-motor gauges via TIM PWM outputs. The 60KB Flash is sufficient for gauge calibration tables, odometer storage, and diagnostic trouble codes. Compared with newer CAN-capable clusters, the GR60A is a cost-optimized choice for entry-level two-wheel and four-wheel gauge displays.
推荐
Small Motor Control Board
The MC908GR60ACFAE drives small brushless DC and stepper motors through PWM outputs generated by its dual 16-bit timers, with feedback from Hall sensors digitized by the on-chip ADC. Its 5V I/O tolerance allows direct interface to legacy 5V gate drivers without level shifters. The 60KB Flash stores commutation tables and current-limit profiles, while the SCI interface streams telemetry to a host controller for diagnostics.
推荐
推荐产品汇总
工程参考数据： MC908GR60ACFAE ——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 | MC908GR60ACFUE | MC908GZ60CFUE |
|---|---|---|---|
| Package | 48-LQFP (7x7 mm) | 64-QFP - different footprint | 64-QFP - different footprint |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | M68HC08 (8-bit CISC) | M68HC08 (8-bit CISC) | M68HC08 (8-bit CISC) |
| Flash | 60 KB | 60 KB | 60 KB |
| RAM | 2 KB | 2 KB | 2 KB |
| Max Bus Frequency | 8 MHz | 8 MHz | 8 MHz |
| ADC Channels | Up to 24 | Up to 24 | Up to 24 |
| Operating Temperature | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C |
关键差异点
- 60KB Flash at 48-LQFP footprint （对比 MC908GZ16CFAE)
- Up to 24 ADC channels （对比 MC908GZ16CFAE)
- Automotive temperature grade （对比 MC908GZ16CFAE)
设计说明
Estimated: at VDD = 5 V and full peripheral activity, the MC908GR60ACFAE draws approximately 25 mA. Place a 100 nF X7R decoupling capacitor within 3 mm of every VDD pin and a bulk 10 uF tantalum at the regulator output. The on-chip voltage regulator (VDDR/VSSR) requires its own 1 uF ceramic bypass to maintain ADC reference accuracy.
Route the OSC1/OSC2 traces as a short differential pair with a continuous ground guard ring to prevent noise injection from adjacent switching nodes. Keep ADC traces away from PWM outputs and add a ground pour under the 48-LQFP to provide thermal relief and a low-impedance return path for the high-speed digital edges.
Do not leave the RST pin floating - it must be tied to VDD through a 10 kohm pull-up with a 100 nF capacitor to VSS for proper power-on reset behavior. The IRQ pin is also active-low and requires a defined level at startup. Failure to provide these pull-ups can cause intermittent code execution or boot failures.
合规信息
RoHS and lead-free per NXP product page. AEC-Q100 status is not separately listed for the GR60A - see NXP automotive-grade documentation for qualification details.
