WCH(南京沁恒)China
CH32L103 series is an industrial-grade low-power general-purpose microcontroller based on QingKe RISC-V core. CH32L103 built-in USB and PD PHY, support PDUSB, including USB Host and USB Device functions, USB PD and Type-C fast charging function, built-in low-power timer, provides 1 OPA, multiple groups of CMPs, 4 USARTs, 2 I2C, 2 SPIs, 1 CAN, multi-group timers, 12-bit ADC, 10-channel Touchkey, etc.
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View full reportTechnical parameters
| Environment and package | |
|---|---|
| Package | LQFP48/QFN32/QSOP28/QFN20/TSSOP20 |
| Other | |
| ADC | 10*12b |
| CAP/PWM | 16/17 |
| CMP | 3 |
| Feature | Low dynamic/static power consumption, PDUSB |
| Flash | 64K |
| Freq | 96MHz |
| I/O | 37 |
| OPA | 1 |
| Others | LPTIM/CAN/Type-C PD |
| RAM | 20K |
| SPI | 2 |
| Timer | 1*32b; 4*16b |
| UART | 4 |
| USB H/D(include PHY) | 12Mbps |
| VDD | 3.3 |