CH32L103C8T6

Overview

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.

System Block Diagram

Features

• RISC-V4C processor, up to 96MHz system main frequency
• Support single-cycle multiplication and hardware division
• 20KB SRAM, 62KB Flash
• Multiple low-power modes: Sleep/Stop/Standby
• Power-on/power-off reset, programmable voltage monitor
• 8-channel general-purpose DMA controller
• 1 group of OPA/PGA/CMP
• 3 groups of analog CMP
• 10 external 12-bit ADC conversion channels
• 1 16-bit low-power timer
• 1 16-bit advanced-control timer
• 2 16-bit general-purpose timers
• 1 32-bit general-purpose timer
• 2 Watchdog timers (IWDG and WWDG)
• 1 SysTick
• 4 groups of USART: supprt LIN and ISO7816
• 2 I2C interface: support SMBus/PMBus
• 2 SPI interface
• 1 CAN interface (2.0B active)
• USB2.0 full-speed Controller and PHY
• USB PD and Type C controller and PHY
• Fast GPIO port, 16 external interrupts
• 96-bit chip unique ID
• 2-wire serial debug interface SDI

Selection Guide