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MC68HC908MR8CFA
+NomenclatureIC MCU 8BIT 8KB FLASH 32LQFP
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FabricantNXP USA Inc.
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Pièce fabricant #MC68HC908MR8CFA
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Fiche technique MC68HC908MR8CFA DataSheet
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Package LQFP-32
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En stock3978
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Spécifications
| Attribut | Valeur |
| Package | Tray |
| Series | HC08 |
| ProductStatus | Obsolete |
| CoreProcessor | HC08 |
| CoreSize | 8-Bit |
| Speed | 8MHz |
| Connectivity | SCI |
| Peripherals | LVD, POR, PWM |
| NumberofI/O | 16 |
| ProgramMemorySize | 8KB (8K x 8) |
| ProgramMemoryType | FLASH |
| RAMSize | 256 x 8 |
| Voltage-Supply(Vcc/Vdd) | 4.5V ~ 5.5V |
| DataConverters | A/D 7x10b |
| OscillatorType | Internal |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 32-LQFP |
Présentation
Description
- 8-bit HC08 core (up to 8 MHz clock speed)
- 8 KB Flash memory (reprogrammable)
- 384 bytes RAM
- 16-bit timer, PWM, and 8-channel 8-bit ADC
- SCI & SPI for serial communication
- 20 I/O pins (multiplexed with peripherals)
- Low-power modes for energy efficiency
It’s designed for embedded applications like motor control, industrial systems, and consumer electronics. The CFA suffix indicates a 48-pin LQFP package.
Key strengths include low cost, ease of development (using HC08 toolchains), and robust peripherals for control tasks. However, it lacks modern features like built-in USB or CAN.
For programming, tools like CodeWarrior or P&E Micro debuggers are commonly used.
Equivalent
- MC68HC908MR16 (higher memory)
- MC9S08MR16 (newer HCS08 family)
- MC68HC908GP32 (similar architecture)
- PIC16F877A (Microchip, comparable features)
- ATmega328P (Atmel AVR, widely used)
Check pin compatibility and specs for direct replacement. NXP's HCS08 series offers modern upgrades.
Features
- CPU: 8-bit HC08 core, clocked at 8 MHz
- Memory: 8 KB Flash, 384 bytes RAM, 256 bytes EEPROM
- I/O Ports: 38 general-purpose I/O pins
- Timers: 16-bit timer with PWM, 8-bit timer, and real-time interrupt (RTI)
- ADC: 8-channel, 8-bit resolution
- Communication: SCI (UART) and SPI interfaces
- Operating Voltage: 3.0V to 5.5V
- Packaging: 48-pin LQFP
- Special Features: Low-power modes, watchdog timer, and in-circuit programming
Ideal for embedded control applications like motor control, industrial systems, and consumer electronics.
Pinout
- Pin Count: 48-pin (LQFP package).
- Key Functions:
- 8-bit HC08 core (8MHz max).
- 8KB Flash, 384B RAM, 256B EEPROM.
- 16 I/O pins (configurable as GPIO, timers, or communication).
- PWM (8-bit), 8-channel 8-bit ADC, SCI (UART), SPI.
- On-chip oscillator, watchdog timer, low-power modes.
Used in automotive, industrial, and embedded systems for control applications.
Manufacturer
NXP is a global semiconductor company specializing in microcontrollers, automotive electronics, security, and connectivity solutions. It serves industries like automotive, IoT, industrial, and consumer electronics.
The MC68HC908MR8 is an 8-bit microcontroller from the HC08 family, designed for embedded control applications.
Application
- Automotive systems (body control, sensors, lighting)
- Industrial control (motor control, automation, HVAC)
- Consumer electronics (appliances, remote controls)
- Embedded systems (low-power, cost-sensitive applications)
It features 8KB Flash, 352B RAM, and integrated peripherals (ADC, PWM, timers), making it suitable for real-time control and monitoring in compact designs.
