9. WCH CH32V307V-EVT-R2¶
概述
System Block Diagram
Features
RISC-V4F processor, max 144MHz system clock frequency;
Single-cycle multiplication and hardware division, hardware float point unit (FPU) ;
64KB SRAM,256KB Flash;
Supply voltage: 2.5V/3.3V, GPIO unit is supplied independently;
Multiple low-power modes: sleep/stop/standby;
Power-on/power-down reset (POR/PDR), programmable voltage detector (PVD);
2 general DMA controllers, 18 channels in total;
4 amplifiers;
Single true random number generator (TRNG)
2 x 12-bit DAC;
2-unit 16-channel 12-bit ADC, 16-channel TouchKey;
10 timers;
USB2.0 full-speed OTG interface;
USB2.0 high-speed host/device interface (built-in 480Mbps PHY)
3 USARTs, 5 UARTs;
2 CAN interfaces (2.0B active);
SDIO interface, FSMC interface, DVP;
2 x I2C, 3 x SPI, 2 x IIS;
80 I/O ports, can be mapped to 16 external interrupts;
CRC calculation unit, 96-bit unique chip ID;
Serial 2-wire debug interface;
Packages: LQFP64M, LQFP100.
官网链接:'https://www.wch-ic.com/products/productsCenter/mcuInterface?categoryId=70'
参考链接:'https://github.com/openwch/ch32v307'