General Description
The device is Flash Memory Tinypower Type 8-bit high performance RISC architecture microcontroller. Offering users the convenience of Flash Memory multi-programming features, this device also includes a wide range of functions and features. Other memory includes an area of RAM Data Memory as well as an area of EEPROM memory for storage of non-volatile data such as calibration data etc.

FEATUREs
CPU Features
• Operating voltage:
   ♦ fSYS = 910kHz: 2.2V~5.5V
   ♦ fSYS = 2MHz: 2.2V~5.5V
   ♦ fSYS = 4MHz: 2.2V~5.5V
   ♦ fSYS = 8MHz: 3.3V~5.5V
   ♦ fSYS = 12MHz: 4.5V~5.5V
• Tiny Power technology for low power operation
• Power down and wake-up functions to reduce power consumption
• Oscillator types:
   ♦ External Crystal – HXT
   ♦ External RC – ERC
   ♦ Internal RC – HIRC
   ♦ Internal 32kHz RC – LIRC
• Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP
• Fully integrated internal 32kHz, 910kHz, 2MHz, 4MHz and 8MHz oscillator requires no external components
• All instructions executed in one or two instruction cycles
• Table read instructions
• 63 powerful instructions
• 4-level subroutine nesting
• Bit manipulation instruction

Peripheral Features
♦ Flash Program Memory:1K×15
♦ RAM data memory:64×8
♦ EEPROM Memory:32×8
♦ Watchdog Timer function
♦ Up to 18 bidirectional I/O lines
♦ Multiple pin-shared external interrupts
♦ Single 8-bit programmable Timer/Event Counter with overflow interrupt
♦ Dual Time-Base functions
♦ Dual Comparator functions
♦ Dual Operational Amplifiers functions
♦ PFD/Buzzer for audio frequency generation
♦ Internal 2.4V/3.3V LDO
♦ Low voltage reset function
♦ Package: 16-pin NSOP, 20-pin SSOP