Features
CPU Features
• Operating Voltage
♦ fSYS = 8MHz: 2.2V~5.5V
• Up to 0.5μs 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 32kHz RC – LIRC
• Fully integrated internal 8MHz oscillator requires no external components
• All instructions executed in one or two instruction cycles
• Table read instructions
• 63 powerful instructions
• 6-level subroutine nesting
• Bit manipulation instruction
Peripheral Features
• Program Memory: 4K × 16
• Data Memory: 208 × 8
• Watchdog Timer function
• Up to 13 bidirectional I/O lines
• 9-channel 12-bit resolution A/D converter
• 9-bit programmable pulse generator
♦ Pulse width limit
♦ Two PPG preload registers
♦ Non-retriggered control
♦ Active high or low output is selected by configuration option
• Single pin-shared external interrupt
♦ Integrated de-bounce circuit for the external interrupt
♦ De-bounce time is selected by software options
• Four comparator functions
• Single Operational Amplifier – input voltage offset adjustable by software
• Peripheral clock output
• Three 8-bit programmable timer/event counters
♦ Timer 0 can be configured to count synchronism pulse number or measure synchronism pulse
high or low period
♦ Timer 1 can be configured to implement PPG non-retriggered function
• Low Voltage Reset function
• Low Voltage Detect function
• Package types: 16-pin DIP/NSOP

General Description
The device is a Flash Memory A/D type 8-bit high performance RISC architecture microcontroller
specifically designed for induction cooker applications. The device includes a wide range of
functions and features such as low power consumption, I/O flexibility, timer functions, multichannel A/D converter, power down and wake-up functions that enhance the versatility of this
device making it especially suitable for induction cooker applications but which may have other
application possibilities which require similar functions. The device also provides four comparators,
an operational amplifier and a programmable pulse generator.