1. Product Description
1.1 Features
Product specification
Working voltage: 1.8V~4.5V@16MHz
Working temperature: -20℃~75℃
- Universal RAM: 256x8bit
Internal RC: design frequency of 8MHz/16MHz
Clean instructions (66 instructions)
PWM mod with complementary outputs
Instructions period (single instruction or
double instructions)
5 pwm channels which can be configurated as 2
groups of complementary outputs
Built-in low voltage detection circuit
4 PWM circuit with shared period and 1 PWM circuit
with separated period, they are all independent duty
cycles
- Internal optional magnification of 4/8/16
Built-in 1 USART communication mod
Interrupt for change in electrical level
RA/RB/RC port
- Support synchronous master-slave mode and
asynchronous full-duplex mode
Other peripherals interrupt
- Can be configured on RB4/RB3 or RA5/RA6
High precision 12-bit ADC
8-bit timer: TIMER0, TIMER2
- Built-in high precision 1.2V reference voltage
TIMER2 can select external 32.768kHz
crystal oscillator as timer clock source
±1.5% @VDD=1.8V~4.5V T
A
=25℃
±2% @VDD=1.8V~4.5V T
A
=-20℃~75℃
- Can choose internal reference:1.2V/2V/2.4V
2.2V/2.4V/2.7V/3.0V/3.3V/3.7V/4.0V/4.3V
- The fastest conversion rate is 250ksps
- Built-in 1 IIC communication mod
Built-in 50mA constant current output
- Built-in 1 SPI communication mod
Built-in touch button detection mod
- Built-in 32-byte EEPROM
- Can be rewritten over 10000 times
Note: ROM----program memory
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