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CH559
CH559
Microcontroller
CH559 是一款兼容MCS51指令集的增强型单片机，具有USB主机和设备模式、ADC、4组定时器、PWM等功能。
In stock
Specifications
8- Operating Voltage
- 3.6V to 5V
- Supply Current
- 10mA to 20mA typical, at 5V supply voltage
- Interface
- SPI, UART, I2C (SDA/SCL), ADC, PWM, USB Host/Device
- Resolution
- 10-bit to 11-bit for ADC
- Range
- 8-bit for general purpose I/O
- Accuracy
- ±0.5% for ADC, at 25°C
- Temperature Range
- -40°C to +85°C
- Package
- LQFP-48, SSOP-20
Pinout
48| Pin | Name | Functions | Notes |
|---|---|---|---|
| VIN5 | 内部5V->3.3V电压调整器输入 | — | 外部电源输入，需要外接0.1uF退耦电容。 |
| VDD33 | 内部3.3V工作电源输出 | POWER | 当电源电压小于3.6V时连接VIN5输入外部电源，大于3.6V时外接3.3uF退耦电容。 |
| GND | 公共接地端 | GND | |
| P0.0 | AD0/UDTR | GPIO | 默认是8位开漏双向端口，可选通过设置P0_PU使能内部上拉电阻。 |
| P0.1 | AD1/URTS | GPIO | |
| P0.2 | AD2/RXD_ | GPIO | |
| P0.3 | AD3/TXD_ | GPIO | |
| P0.4 | AD4/UCTS | GPIO | |
| P0.5 | AD5/UDSR | GPIO | |
| P0.6 | AD6/URI | GPIO | |
| P0.7 | AD7/UDCD | GPIO | |
| P1.0 | AIN0/T2/CAP1 | ADC | |
| P1.1 | AIN1/T2EX/CAP2 | ADC | |
| P1.2 | AIN2/PWM3/CAP3 | PWMADC | |
| P1.3 | AIN3 | ADC | |
| P1.4 | AIN4/SCS | SPIADC | |
| P1.5 | AIN5/MOSI | SPIGPIO | |
| P1.6 | AIN6/MISO | SPIGPIO | |
| P1.7 | AIN7/SCK | SPIGPIO | |
| P2.0 | A8 | GPIO | |
| P2.1 | MOSI1/A9 | SPIGPIO | |
| P2.2 | MISO1/A10 | SPIGPIO | |
| P2.3 | SCK1/A11 | SPIGPIO | |
| P2.4 | PWM1/A12 | PWM | |
| P2.5 | TNOW/PWM2/A13/T2EX_/CAP2_ | PWMGPIO | |
| P2.6 | RXD1/A14 | UARTGPIO | |
| P2.7 | TXD1/DA7/A15 | UARTGPIO | |
| P3.0 | RXD | UARTGPIO | |
| P3.1 | TXD | UARTGPIO | |
| P3.2 | LED0/INT0 | GPIO | |
| P3.3 | LED1/!A15/INT1 | GPIO | |
| P3.4 | LEDC/XCS0/T0 | PWMGPIO | |
| P3.5 | DA6/T1 | PWMGPIO | |
| P3.6 | WR | GPIO | |
| P3.7 | RD | GPIO | |
| P4.0 | LED2/A0/RXD1_ | GPIO | |
| P4.1 | A1 | — | |
| P4.2 | PWM3_/CAP3_ | GPIO | |
| P4.3 | PWM1_/A3 | GPIO | |
| P4.4 | LED3/TNOW_/TXD1_/A4 | GPIO | |
| P4.5 | PWM2_/A5 | GPIO | |
| P4.6 | XI/SCS_ | SPIGPIO | |
| P4.7 | XO/SCK_ | SPIGPIO | |
| P5.0 | DM | GPIO | |
| P5.1 | DP | GPIO | |
| P5.4 | HM/ALE/XB | GPIO | |
| P5.5 | HP/!A15/XA | GPIO | |
| P5.7 | RST | GND | 外部复位输入，内置下拉电阻。 |
Interactive pinout
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CH559
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