The device is an 8-bit high performance RISC architecture microcontroller device specifically designed for a wide range of applications. The advantages of low power consumption, I/O flexibility, timer functions, HALT and wake-up functions, watchdog timer, as well as low cost, enhance the versatility of the device to suit for a wide range of the I/O and A/D control application possibilities such as industrial control, consumer products and subsystem controllers, etc.

CPU Features

• Operating voltage: fSYS = 8MHz: 2.3V~5.5V
• Up to 0.5us instruction cycle with 8MHz system clock at VDD =5V
• Power down and wake-up functions to reduce power consumption
• Two oscillators:
  • Internal high speed RC -- HIRC
  • Internal low speed RC -- LIRC
• Fully integrated internal 8MHz oscillator requires no external components
• All instructions executed in one or two instruction cycles
• Table read instruction
• 63 powerful instructions
• 4-level subroutine nesting
• Bit manipulation instruction

Peripheral Features

• Program Memory: 2Kx14
• RAM Data Memory: 96x8
• Watchdog Timer function
• Up to 18 bidirectional I/O lines
• 8 channel 12-bit ADC
• 1 channel 8-bit PWM
• External interrupt pin shared with I/O pin
• One 8-bit programmable Timer/Event Counter with overflow interrupt and prescaler
• Low voltage reset function
• Package types: 16-pin NSOP and 20-pin SOP
• Programmable Frequency Divider -- PFD 

Specification:

• internal clock:8MHz
• VDD: 2.3V~5.5V
• system clock: 8MHz
• program memory: 2Kx14
• data memory: 96x8
• I/O: 18
• 8-bit timer: 1
• A/D: 12-bitx8
• PWM: 8-bitx1
• stack: 4
• case: 20SOP