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WCH Datasheets

94 WCH datasheets read into specs, pinouts and ratings, including Microcontrollers (MCU), Interface ICs and Diodes.

WCH datasheets, page 2

94 parts · page 2 of 4. Most used first, then by part number.

CH32V203K8

WCH

Industrial-grade enhanced low-power general-purpose 32-bit RISC-V (QingKe V4B) MCU running at 144MHz with 64KB Flash, 20KB SRAM, USB host/device, CAN, 12-bit ADC and OPAs

32-bit RISC-V MicrocontrollerLQFP-32 7x7mm

CH32V203RB

WCH

Industrial-grade low-power general-purpose MCU based on QingKe V4B RISC-V core at 144MHz with 128KB Flash, 64KB SRAM, USB host/device, CAN, 12-bit ADC, dual OPA and touch-key support

32-bit RISC-V MicrocontrollerLQFP-64M 10x10mm

CH32V303

WCH

Industrial-grade general-purpose MCU based on the 144MHz QingKe V4F RISC-V core with hardware FPU, dual 12-bit ADCs, dual DACs, 4 OPAs, 8 USART/UART, USB, CAN, SDIO and FSMC

32-bit RISC-V Microcontroller

CH32V303CB

WCH

General-purpose industrial-grade 32-bit RISC-V MCU (CH32V303 series, D8 high-density class) using the QingKe V4F core with hardware floating-point, 128KB or 256KB Flash and rich peripherals

32-bit RISC-V Microcontroller

CH32V303RB

WCH

Industrial-grade general-purpose 32-bit RISC-V MCU (CH32V303, D8 high-density class) with QingKe V4F core supporting hardware floating-point, 2x ADC, 2x DAC, 4x OPA, USB FS, CAN, SDIO and FSMC peripherals.

32-bit RISC-V Microcontroller

CH32V303RC

WCH

Industrial-grade general-purpose 32-bit RISC-V MCU (QingKe V4F core with hardware floating point) from the CH32V30x D8 high-density series, with 256KB-class flash and configurable CODE/RAM split

32-bit RISC-V Microcontroller

CH32V303VC

WCH

Industrial-grade general-purpose 32-bit RISC-V MCU (QingKe V4F core with hardware floating-point) from the CH32V30x high-density series, with 256KB Flash class memory, 2 ADC, 2 DAC, 8 U(S)ART, 3 SPI, 2 I2C, USB full-speed, CAN, SDIO and FSM

32-bit RISC-V MicrocontrollerLQFP-100

CH32V305

WCH

Industrial-grade 32-bit QingKe V4F RISC-V microcontroller (CH32V305 connectivity series) with FPU, 144MHz zero-wait operation, USB 2.0 high-speed PHY, USB OTG FS, 2 CAN, SDIO, and 10M Ethernet-capable peripheral set

32-bit RISC-V Microcontroller

CH32V305FB

WCH

CH32V305FB is a connectivity-class (CH32V30x_D8C) 32-bit RISC-V general-purpose MCU with QingKe V4F core (hardware floating point), 128KB Flash, 32KB SRAM, USB OTG_FS, USB high-speed with PHY, dual CAN, SDIO and 4 OPAs.

32-bit RISC-V Microcontroller

CH32V305GB

WCH

Industrial-grade 32-bit RISC-V microcontroller (CH32V30x_D8C connectivity series) with QingKe V4F core including hardware floating-point, 128KB Flash, 32KB SRAM, USB OTG_FS/USBHS and dual CAN.

32-bit RISC-V Microcontroller

CH32V305RB

WCH

Connectivity-class industrial-grade general-purpose MCU in the CH32V30x_D8C family, based on the QingKe V4F RISC-V core with hardware floating-point, 128KB Flash, 32KB SRAM, USB OTG_FS/USBHS and dual CAN.

32-bit RISC-V Microcontroller

CH32V307

WCH

Industrial-grade general-purpose microcontroller based on QingKe RISC-V4F core, supporting single-precision floating-point, 144MHz main frequency, dual ADC/DAC, USB2.0 high-speed, and Gigabit Ethernet.

32-bit RISC-V MicrocontrollerTSSOP20

CH32V307/317

WCH

Industrial-grade QingKe V4F RISC-V MCU family (CH32V307/317) at 144MHz with FPU, USB2.0 HS PHY, Gigabit Ethernet MAC and integrated 10M (V307) or 10/100M (V317) Ethernet PHY

32-bit RISC-V Microcontroller

CH32V307DS0

WCH

Reference manual for the CH32F20x/CH32V20x/CH32V30x/CH32V31x series of industrial-grade 32-bit MCUs (ARM Cortex-M3 or QingKe V4B/V4C/V4F RISC-V cores, with the V307 interconnectivity variant offering USBHS, OTG_FS, 2*CAN, SDIO, FSMC, DVP an

32-bit RISC-V Microcontroller

CH32V307R

WCH

Industrial-grade 32-bit RISC-V microcontroller with QingKe V4F core (hardware floating point), 256KB Flash, 64KB SRAM, USB OTG/HS PHY, 2 CAN, SDIO, FSMC, DVP, and 1000M Ethernet MAC with 10M PHY.

32-bit RISC-V Microcontroller

CH32V307RC

WCH

Industrial-grade general-purpose 32-bit RISC-V MCU with QingKe V4F core (hardware floating point), 256KB Flash/64KB SRAM, interconnectivity class (USB OTG/HS, dual CAN, Ethernet) from the CH32V30x_D8C series.

32-bit RISC-V Microcontroller

CH32V307RCT6

WCH

Industrial-grade general-purpose 32-bit RISC-V microcontroller with QingKe V4F core supporting hardware floating-point operations, rich communication interfaces, and functional modules.

32-bit RISC-V MicrocontrollerLQFP-64M(10x10)

CH32V307VC

WCH

CH32V307VC is an industrial-grade interconnectivity 32-bit RISC-V MCU with QingKe V4F core (hardware floating point), 256KB Flash, 64KB SRAM, Gigabit Ethernet MAC with 10M PHY, USB OTG/HS, CAN, DVP, SDIO and FSMC.

32-bit RISC-V MicrocontrollerLQFP-100

CH32V307VCT6

WCH

Industrial-grade 144MHz QingKe V4F RISC-V microcontroller with FPU, 256KB-class Flash, USB high-speed PHY, Gigabit Ethernet MAC with 10M PHY, dual ADC/DAC and 8 USART

32-bit RISC-V MicrocontrollerLQFP-100(14x14)

CH32V307WC

WCH

32-bit industrial-grade general-purpose MCU based on the QingKe V4F RISC-V core with hardware floating-point, featuring USB OTG/HS, Gigabit Ethernet MAC with 10M PHY, dual CAN, and rich analog/digital peripherals.

32-bit RISC-V Microcontroller

CH32V307WCU6

WCH

Industrial-grade general-purpose microcontroller based on QingKe 32-bit RISC-V4F core, supporting single-precision floating-point, 144MHz main frequency, and featuring extensive peripherals including USB2.0 HS PHY, Gigabit Ethernet MAC, mul

32-bit RISC-V MicrocontrollerQFN-68(8x8)

CH32V317

WCH

QingKe V4F RISC-V MCU running at 144MHz with hardware FPU, USB2.0 high-speed PHY, Gigabit Ethernet MAC and built-in 10/100M Ethernet PHY.

32-bit RISC-V Microcontroller

CH334

WCH

4-port USB2.0 high-speed hub controller family (CH334/CH335) with MTT/STT modes, per-port power control and overcurrent detection, built-in LDO and optional crystal-free operation

4-Port USB 2.0 Hub Controller

CH334P

WCH

4-port USB 2.0 high-speed hub controller with MTT mode, built-in LDO, built-in USB PHY, and optional crystal-free operation

4-Port USB 2.0 Hub ControllerQFN-16 3x3mm

CH334R

WCH

4-port USB 2.0 high-speed hub controller with MTT mode, built-in USB PHY, LDO, 1.5K pull-up and downstream pull-downs, optional crystal-free operation; CH334R is the QSOP16 variant with no overcurrent detection, power control, or LED indica

4-Port USB 2.0 Hub ControllerQSOP-16

CH335

WCH

CH335 is a 4-port USB 2.0 high-speed hub controller with MTT/STT modes, per-port power control and overcurrent detection, and support for swapping the upstream port with downstream port 1.

4-Port USB 2.0 Hub Controller

CH335F

WCH

4-port USB 2.0 high-speed hub controller with MTT mode, per-port power control and overcurrent detection, built-in LDO and optional crystal-free operation, with support for swapping upstream port with downstream port #1

4-Port USB 2.0 Hub ControllerQFN-28(4x4)

CH335P

WCH

4-port USB 2.0 high-speed hub controller with MTT mode, integrated USB PHY and LDO, and optional crystal-free operation; CH335P is the small QFN16 2x2mm variant.

4-Port USB 2.0 Hub ControllerQFN16C-2x2mm

CH340B

WCH

Full-speed USB 2.0 to UART serial adapter chip with MODEM handshake signals, built-in clock and built-in EEPROM for configuring serial numbers

USB to serial chipSOP-16

CH340C

WCH

USB 2.0 full-speed to asynchronous serial port (UART) adapter chip with built-in clock, MODEM handshake signals, and baud rates from 50bps to 2Mbps

USB to serial chipSOP-16