产品导览

• CPU configuration

• 8Kx16-bit Flash memory
• (48+512) bytes general purpose register
• 256 bytes in-system programmable EEPROM
• More than 10 years data retention
• 16-level stacks for subroutine nesting
• Less than 1.5 mA at 5V/4MHz
• Typically 15µA , at 3V/16kHz
• Typically 22µA, at 3V/32kHz
• Typically 1µA, during sleep mode
• Level Volt Reset

1.65V (BOR), 1.5V(POR)
• 1 sets of 4 programmable Level Voltage Detector

LVD: 4.5V, 4.0V, 3.3V, 2.2V
•  CPU operation modes (Normal, Green, Idle, Sleep)

• I/O port configuration

• 6 bidirectional I/O ports: P5~P9, PA
• 4 programmable pin change wake-up ports : P5~P8
• 6 programmable pull-down I/O ports: P5~P9, PA
• 6 programmable pull-high I/O ports: P5~P9, PA
• 6 programmable open-drain I/O ports: P5~P9, PA
• 6 programmable high-sink/drive I/O ports: P5~P9, PA

• Operating voltage range: 

• 2.0V~5.5V at -40°C~85°C (Industrial)
• 1.8V~5.5V at 0°C~85°C (Commercial)

• Operating frequency range (base ontwo clocks):
  Main oscillator:
  

• Crystal mode:
DC ~ 20 MHz at 4.5V~5.5V
DC ~ 16 MHz at 3.5V~5.5V
DC ~ 8 MHz at 2.0V~5.5V
DC ~ 4 MHz at 1.8V~5.5V

• IRC mode:
  DC ~ 20 MHz at 4.5V~5.5V
  DC ~ 16 MHz at 3.5V~5.5V
  DC ~ 8 MHz at 2.0V~5.5V
  DC ~ 4 MHz at 1.8V~5.5V
  

  Internal RC Frequency	Drift Rate
  	Temperature(-40°C+85°C)	Voltage(1.8V~5.5V)	Process	Total
  1 MHz	±2%	±1%	±1%	±4%
  4MHz	±2%	±1%	±1%	±4%
  6 MHz	±2%	±1%	±1%	±4%
  8MHz	±2%	±1%	±1%	±4%
  12MHz	±2%	±1%	±1%	±4%
  16MHz	±2%	±1%	±1%	±4%
  20MHz	±2%	±1%	±1%	±4%

  
  Sub oscillator:
  

IRC mode: 16k/128kHz

Crystal Mode : 32.768kHz

Peripheral configuration

8-bit real time clock/counter (TCC) with selective signal sources, trigger edges, and overflow interrupt

Two Pulse Width Modulation (PWMA, PWMB) with 10-bit resolution shared with Timers A and B

Three 8-bit timers (TC1/TC2/TC3) with seven modes: Timer/Counter/Capture/Window/Buzzer/PWM/PDO (Programmable Divider Output) modes. TC1+TC2 can be cascaded to one 16-bit counter/timer

8+1 channels Analog-to-Digital Converter with 12-bit resolution One of the channels is 1/2 VDD power detection

Serial transmitter/receiver interface (SPI): 3-wire synchronous communication

I2C function with 7/10 bits address and 8 bits data transmit/receive mode

Power down (Sleep) mode

18 available interrupts: (3 external, 15 internal)

Watch timer interrupt

External interrupt: EINT0,EINT1

TCC overflow interrupt

TC1, TC2, TC3 overflow interrupt

Input-port status changed interrupt

ADC completion interrupt

PWMA, PWMB period/duty match completion

I2C transfer/receive/stop interrupt

SPI interrupt

LVD interrupt

System hold interrupt