CH32V307WC

Part: CH32V307RCT6 — WCH (WCH-IC.com)

Type: 32-bit RISC-V Microcontroller

Description: Industrial-grade 32-bit RISC-V microcontroller based on the QingKe V4F core, supporting hardware floating-point operations, with up to 256 KB Flash and 64 KB SRAM, and rich peripheral interfaces including USBHS, Ethernet, and CAN.

Operating Conditions:

• Supply voltage: 2.4–3.6 V (or 1.8–3.6V for VLEVEL bit 0 chips)
• Core: QingKe V4F (with hardware floating-point operations)

Absolute Maximum Ratings:

Key Specs:

• Core: QingKe V4F
• Flash memory: 256 KB
• SRAM: 64 KB
• Instruction set: IMAFC
• Hardware stack: 3 levels
• Interrupt nested: 8 levels
• Integer division cycle: 5 cycles
• Memory Protection: Standard

Features:

• General DMA controller
• Clock tree hierarchical management
• Data protection mechanism
• Clock security system protection mechanism
• Bit segment access for CH32F20x (not supported by CH32V20x, CH32V30x, CH32V31x)
• Boot from program flash memory, system memory, or internal SRAM
• Built-in voltage regulator
• Backup power supply for RTC and backup registers via VBAT
• Dedicated analog power supply (VDDA, VSSA)
• Ethernet 10/100M PHY (for CH32V31x)
• Hardware floating-point operations

Applications:

• Control
• Connection
• Synthesis
• Low-cost and low-power embedded application scenarios

Package:

• Several types of reset
• Several clock sources, bus clock management
• Built-in external crystal oscillation monitor and clock security system
• Independent management of each peripheral clock: reset, enable, disable
• Internal clock output