MC68HC908GR8CFAE Features and Specifications Overview

Overview

8-bit microcontroller (MCU) launched by NXP (formerly Freescale ) , based on the HC08 architecture , integrating FLASH memory, A/D converter, serial communication interface , and has low power consumption and high reliability. It is suitable for home appliance control, industrial automation, automotive electronics and embedded systems . This MCU provides flexible I/O ports and a variety of peripherals, making it an ideal choice for entry-level embedded control applications.

Specifications

parameter

Numeric

CPU Cores

HC08 (8-bit)

Operating frequency

8MHz

FLASH memory

8KB

RAM

512B

EEPROM

none

I/O Ports

15 GPIOs

A/D Converter

8 channels, 10 bits

Communication interface

SCI (Serial Communication Interface)

Timer

2 16-bit timers

Operating voltage

2.7V to 5.5V

Package Type

32-pin LQFP (CFAE)

Operating temperature range

-40°C to +85°C

MC68HC908GR8CFAE’s outstanding features

  • High performance 8-bit HC08 core

  • It uses HC08 CPU , supports up to 8MHz clock speed , and has good instruction execution efficiency.

  • On-chip 8KB FLASH memory

  • Allows users to store and update programs without external memory, suitable for embedded applications.

  • 10-bit A/D converter

  • Provides 8 channels for sensor interfacing, signal acquisition, and precision measurement

  • Rich peripheral interfaces

  • 15 GPIO ports for input/output control, motor drive, switch detection , etc.

  • SCI serial communication interface can be used for data transmission with other MCU, PC, and external devices .

  • Low power working mode

  • Supports WAIT and STOP low power modes , suitable for battery-powered devices to optimize energy efficiency.

  • Wide operating voltage range (2.7V to 5.5V)

  • It can operate stably under low voltage battery power supply or standard 5V power supply environment.

  • Industrial temperature support (-40°C to +85°C)

  • Suitable for automotive electronics, industrial control and harsh environment applications .

Application Areas

MC68HC908GR8CFAE is widely used in the following fields due to its high reliability, low power consumption and rich peripherals :

  • Home appliance control

  • Temperature control, button control and motor drive for smart washing machines, microwave ovens, rice cookers and other equipment .

  • Industrial Automation

  • Industrial automation control applications such as sensor interface, remote monitoring, PLC modules , etc.

  • Automotive Electronics

  • On-board instrumentation, motor control, and door control modules support a wide temperature range and stable operation.

  • Embedded Systems

  • as low-power IoT devices, data loggers, smart switches , etc.

  • Motor Control

  • Accurately control small DC motors and stepper motors through GPIO and timers .

Comparative Analysis: MC68HC908GR8CFAE vs. Other 8-bit MCUs

Features/Specifications

MC68HC908GR8CFAE

Other 8-bit MCUs on the market

CPU Cores

HC08

AVR / PIC / 8051

Operating frequency

8MHz

4MHz – 16MHz

FLASH memory

8KB

4KB – 16KB

RAM

512B

256B – 2KB

A/D Converter

8 channels, 10 bits

6-12 bits / 4-8 channels

Communication interface

SCI (Serial Communication)

UART / I²C / SPI

Low Power Mode

yes

Partial support

Operating voltage

2.7V to 5.5V

2V to 5V

MC68HC908GR8CFAE has a stable HC08 architecture, a large FLASH memory, rich peripheral interfaces and a wide operating voltage range , and has a good cost-effectiveness in the fields of home appliance control, industrial automation and automotive electronics .

Manufacturer introduction: NXP (formerly Freescale)

NXP Semiconductors is a leading global supplier of microcontrollers and embedded processing , focusing on automotive electronics, industrial control and IoT solutions. MC68HC908GR8CFAE is one of its classic HC08 series 8-bit MCUs, which is widely used in consumer electronics, industrial automation and automotive control .

Why choose MC68HC908GR8CFAE?

  • HC08 classic 8-bit architecture provides high stability and low power consumption solutions

  • Integrated 8KB FLASH memory , supports program upgrades, simplifies system design

  • Supports 8-channel 10-bit ADC , suitable for sensor interface and analog signal acquisition

  • Rich I/O ports and serial communication interfaces , compatible with a variety of peripherals and communication protocols

  • Industrial grade temperature range (-40°C to +85°C) for use in harsh environments

  • Supports low power mode to extend battery life , suitable for IoT and portable devices

FAQ

Q 1 : Can this device be In-Circuit Programming (ISP)?
A: Yes, MC68HC908GR8CFAE supports In-System Programming (ISP) via FLASH self-programming . No additional dedicated programmer is required to update the firmware in the system, which is convenient for debugging and maintenance.

Q 2 : Is this MCU suitable for learning embedded systems?
A: Suitable! MC68HC908GR8CFAE has a simple architecture, rich peripherals, and a stable HC08 core , making it suitable as an entry-level MCU for embedded development . Its low power consumption, easy-to-use instruction set , and good development ecosystem make it an ideal device for learning microcontroller programming and embedded system design.

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