MC908GR60ACFAE - 8-bit HC08 MCU 60KB Flash 48-LQFP | NXP
N.º da peça: MC908GR60ACFAE ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 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 Visão geral
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.
Alternativas drop-in para MC908GR60ACFAE — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com MC908GR60ACFAE (mesmo formato e footprint) — diferindo em Core Architecture, Package / Case, Program Memory Size, RAM Size, Supply Voltage.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
Nenhuma alternativa drop-in disponível para este produto.
Solicitar alternativasMC908GR60ACFAE Classificações máximas e características elétricas
| 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 |
| Tensão de alimentação | 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 |
| Encapsulamento | 48-pin LQFP (7x7 mm) |
| Tipo de montagem | Surface Mount |
| Temperatura de operação | -40 C to +125 C (automotive grade) |
| Object-code Compatibility | M6805, M146805, M68HC05 families |
| Status RoHS | Compliant |
Configuração de pinos do MC908GR60ACFAE
| Pino 1 | PTD0/T1CH0 — Port D I/O / Timer 1 channel 0 |
| Pino 2 | PTD1/T1CH1 — Port D I/O / Timer 1 channel 1 |
| Pino 3 | PTD2 — Port D I/O |
| Pino 4 | PTD3 — Port D I/O |
| Pino 5 | VDD — Supply voltage |
| Pino 6 | VSS — Ground |
| Pino 7 | PTA0 — Port A I/O |
| Pino 8 | PTA1 — Port A I/O |
| Pino 9 | PTA2 — Port A I/O |
| Pino 10 | PTA3 — Port A I/O |
| Pino 11 | PTA4 — Port A I/O |
| Pino 12 | PTA5 — Port A I/O |
| Pino 13 | PTA6 — Port A I/O |
| Pino 14 | PTA7 — Port A I/O |
| Pino 15 | PTB0/AD0 — Port B I/O / ADC channel 0 |
| Pino 16 | PTB1/AD1 — Port B I/O / ADC channel 1 |
| Pino 17 | PTB2/AD2 — Port B I/O / ADC channel 2 |
| Pino 18 | PTB3/AD3 — Port B I/O / ADC channel 3 |
| Pino 19 | PTB4/AD4 — Port B I/O / ADC channel 4 |
| Pino 20 | PTB5/AD5 — Port B I/O / ADC channel 5 |
| Pino 21 | PTB6/AD6 — Port B I/O / ADC channel 6 |
| Pino 22 | PTB7/AD7 — Port B I/O / ADC channel 7 |
| Pino 23 | PTC0/AD8 — Port C I/O / ADC channel 8 |
| Pino 24 | PTC1/AD9 — Port C I/O / ADC channel 9 |
| Pino 25 | PTC2/AD10 — Port C I/O / ADC channel 10 |
| Pino 26 | PTC3/AD11 — Port C I/O / ADC channel 11 |
| Pino 27 | PTC4/AD12 — Port C I/O / ADC channel 12 |
| Pino 28 | PTC5/AD13 — Port C I/O / ADC channel 13 |
| Pino 29 | PTC6/AD14 — Port C I/O / ADC channel 14 |
| Pino 30 | PTC7/AD15 — Port C I/O / ADC channel 15 |
| Pino 31 | VDD — Supply voltage |
| Pino 32 | VSS — Ground |
| Pino 33 | TxD — SCI transmit |
| Pino 34 | RxD — SCI receive |
| Pino 35 | SPSCK — SPI clock |
| Pino 36 | MOSI — SPI master-out / slave-in |
| Pino 37 | MISO — SPI master-in / slave-out |
| Pino 38 | SS — SPI slave select |
| Pino 39 | OSC1 — Crystal oscillator input |
| Pino 40 | OSC2 — Crystal oscillator output |
| Pino 41 | RST — Reset (active low) |
| Pino 42 | IRQ — External interrupt request |
| Pino 43 | PTD4 — Port D I/O |
| Pino 44 | PTD5 — Port D I/O |
| Pino 45 | PTD6 — Port D I/O |
| Pino 46 | PTD7 — Port D I/O |
| Pino 47 | VDDR — Voltage regulator output |
| Pino 48 | VSSR — Voltage regulator ground |
Aplicações típicas
MC908GR60ACFAE é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MC908GR60ACFAE — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- 60KB Flash at 48-LQFP footprint (vs MC908GZ16CFAE)
- Up to 24 ADC channels (vs MC908GZ16CFAE)
- Automotive temperature grade (vs MC908GZ16CFAE)
Notas de projeto
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.
Informações de conformidade
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.
