1. Features

 8bits micro-controller with Pipe-line structured 8051 compatible instruction set

 Flash ROM: 8K Bytes

 RAM: internal 256 Bytes

 EEPROM-like: 2K Bytes

 Operation Voltage:

fOSC = 400k - 16MHz, VDD = 3.6V - 5.5V

 Oscillator (code option):

- Crystal oscillator: 400kHz - 16MHz

- Ceramic oscillator: 400kHz - 16MHz

- Internal RC: 12.3MHz/16MHz

 26 CMOS bi-directional I/O pins

 Built-in pull-up resistor for input pin

 Three 16-bit timer/counters T0, T1and T2

 One 12-bit PWM

 Two 8-bit PWM

 Powerful interrupt sources:

- Timer0, 1, 2

- INT0, 1

- INT40-43, INT45-46

- ADC, EUART, SPI, PWM, SCM

 EUART

 SPI interface (Master/Slave Mode)

 8channels 10-bits Analog Digital Converter (ADC), with comparator function built-in

 Buzzer

 Low Voltage Reset (LVR) function (enabled by code option)

- LVR voltage level 1: 4.1V

- LVR voltage level 2: 3.7V

 CPU Machine cycle: 1 oscillator clock

 Watch Dog Timer (WDT)

 Warm-up Timer

 Support Low power operation modes:

- Idle Mode

- Power-Down Mode

 Flash Type

 Package:

- SOP28