[CH32V003F4P6-EVT-R0] QingKe 32-bit RISC-V2A processor with 2-level interrupt nesting support Up to 48MHz system main frequency 2KB SRAM, 16KB Flash Power supply voltage: 3.3/5V Multiple low-power modes: Sleep, Standby Power up/down reset, programmable voltage detector CH32V003 series is based on the QingKe RISC-V2A core design of industrial-grade general- microcontroller, support 48MHz system main frequency, with wide voltage, 1-wire SDI, low-power consumption, ultra-small package, etc. CH32V003 series built-in a group of DMA controller, a group of 10-bit ADC, a group of , multiple and standard communication interfaces USART, IC, SPI, etc. 1 group of 1-channel general- DMA controller 1 group of 1 group 10-bit ADC 1 16-bit advanced-control timer and 1 16-bit general- timer 2 watchdog and 1 32-bit SysTick timer 1 USART interface, 1 group of IC interface, 1 group of SPI interface 18 I/O ports, mapping an external interrupt 64-bit chip unique ID 1-wire serial debug interface(SDI) Colour:Green Material:PCB Package Contents: 1 * CH32V003 Development board 1 * WCH-Link 5 * CH32V003F4P6 chip