CH32H417
Dual-Core RISC-V MicrocontrollerThe CH32H417 is a dual-core risc-v microcontroller from WCH. View the full CH32H417 datasheet below including key specifications, electrical characteristics.
CH32H417 shares its datasheet with CH32H417QEU6, whose page lists every part number it covers.
Official CH32H417 datasheet (PDF) — the source this page was extracted from.
Manufacturer
WCHCategory
Microcontrollers (MCU)CH32H417 Key Specifications
| Parameter | Value |
|---|---|
| ADC | 2x 12-bit, up to 5Msps; 1x 10-bit HSADC, up to 20Msps |
| DAC | 2x 12-bit |
| SRAM | 896KB (incl. 128KB ITCM, 256KB DTCM) |
| CPU Cores | Qingke RISC-V5F (up to 400MHz) + RISC-V3F (up to 150MHz) |
| GPIO Count | Up to 95 (QFN128) |
| Package Options | QFN128 (12.3x12.3mm), QFN88 (10x10mm), QFN68 (8x8mm) for CH32H417 |
| Flash (CodeFlash) | 960KB |
| GPIO Supply VDDIO | 3.3V nominal, supports 1.8V |
| System Supply VDD33 | 3.3V nominal |
| Communication Interfaces | USB 3.0 (5Gbps), USB 2.0 HS/FS, 10/100M Ethernet MAC+PHY, SerDes, 8x USART, 4x I2C, I3C, 4x SPI, 2x QSPI, 2x I2S, 3x CAN 2.0B, SDIO/SDMMC |
| High-Speed GPIO Supply VIO18 | 1.2V/1.8V/2.5V/3.3V selectable |
CH32H417 Overview
Part: CH32H417QEU6 — WCH (Nanjing Qinheng Microelectronics)
Type: Dual-core RISC-V microcontroller (Qingke RISC-V5F + RISC-V3F)
Description: Dual-core Qingke RISC-V5F (up to 400 MHz) and RISC-V3F (up to 150 MHz) MCU with 960 KB CodeFlash and 896 KB SRAM, integrating USB 3.0, 10/100M Ethernet MAC+PHY, SerDes and USB PD/Type-C, in a QFN128 package.
Operating Conditions:
- Supply voltage: VDD33 2.4–3.6 V (3.15–3.45 V when USB, ETH or SerDes is used); VDDK core 1.17–1.27 V
- Operating temperature: -40 to 85 °C (ambient); junction -40 to 105 °C
- V5F core up to 400 MHz (LDO_VDDK = 011 default); system bus/V3F core up to 150 MHz
- VDDIO 1.65–3.6 V; VIO18 1.1–3.6 V; VBAT 1.8–3.6 V
Key Specs:
- V5F core frequency: 400 MHz max (LDO_VDDK = 011); 480 MHz only for commercial-grade use with TA ≤ 70 °C and good heat dissipation (LDO_VDDK = 101)
- System bus / V3F core frequency: 150 MHz (180 MHz at LDO_VDDK = 101, TA ≤ 70 °C only)
- VDD33A: 1.8–3.6 V (2.4 V min with ADC or DAC; 3.0 V min with HSADC)
- VDD12A (USB 3.0): 1.17–1.27 V typ 1.2 V
- VREFP: 2.4–3.6 V, must not exceed VDD33A
- Memory: 960 KB CodeFlash, 896 KB SRAM (128 KB ITCM, 256 KB DTCM, 512 KB shared), 56 KB bootloader
- ADC: 2 × 12-bit up to 5 Msps; HSADC 10-bit up to 20 Msps (7 channels)
- GPIO: 95 I/O ports
Features:
- Dual-core Qingke RISC-V5F and RISC-V3F with fast programmable interrupt controller
- USB 3.0 (5 Gbps), USB 2.0 HS, and USB 2.0 FS/OTG controllers with PHY
- 10M/100M Ethernet MAC and PHY, RGMII interface
- SerDes long-distance isolated transceiver
- USB PD 3.2 / Type-C controller (up to 240 W EPR)
- SDMMC/SDIO, UHSIF, DVP, FMC (FSMC/SDRAM), LTDC, GPHA, DFSDM, SAI
- 8 USART, 4 I2C, I3C, 4 SPI, 2 QSPI, 3 CAN, 2 I2S
- 2 × 12-bit DAC, 3 OPA/PGA, comparator, 16 TouchKey channels
- AES128/192/256 and SM4 encryption (ECDC), RNG
- Sleep and Stop low-power modes; 16 DMA channels
Applications:
- Industrial networking and Ethernet communication
- USB fast-charging / PD devices
- Long-distance isolated differential communication
Package:
- QFN128 (CH32H417QEU6)
CH32H417 Features
- Programmable transfer data rate, supporting up to 1.5 Gbps
- Supports high-voltage signal isolation via network transformers, and also supports low-voltage isolation via capacitors
- Built-in 8b/10b encoding/decoding and CRC checking, supports sequence number matching
- Built-in FIFO, supports double-buffered transmit and receive modes
- Supports DMA functionality, with byte-aligned access addresses
- Provides multiple transfer interrupt flags and status indications, providing timely feedback to the application layer
- Differential transmission and reception, can directly drive optical fiber modules
CH32H417 Pin Configuration
| ADC Function | Default Pin |
|---|---|
| ADC_IN0 | PA0 |
| ADC_IN1 | PA1 |
| ADC_IN2 | PA2 |
| ADC_IN3 | PA3 |
| ADC_IN4 | PA4 |
| ADC_IN5 | PA5 |
| ADC_IN6 | PA6 |
| ADC_IN7 | PA7 |
| ADC_IN8 | PB0 |
| ADC_IN9 | PB1 |
| ADC_IN10 | PC0 |
| ADC_IN11 | PC1 |
| ADC_IN12 | PC2 |
| ADC_IN13 | PC3 |
| ADC_IN14 | PC4 |
| ADC_IN15 | PC5 |
| ADC_IN16 | Temperature sensor |
| ADC_IN17 | Internal reference voltage V REFINT |
CH32H417 Electrical Characteristics
| Symbol | Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| V DD33A | Supply voltage | f S < 2MHz | 2.7 | 3.6 | V | |
| V DD33A | Supply voltage | f S ≥ 2MHz | 3 | 3.6 | V | |
| V REFP (2) | Positive reference voltage | V REFP ≤ V DD33A | 2.4 | 3.3 | 3.6 | V |
| I DD33A | ADC supply current (excluding buffer) | ADC_LP = 0 | 1.42 | mA | ||
| I DD33A | ADC supply current (excluding buffer) | ADC_LP = 1 | 0.37 | mA | ||
| I BUF | ADC buffer current | ADC_LP = 0 | 0.76 | mA | ||
| I BUF | ADC buffer current | ADC_LP = 1 | 0.19 | mA | ||
| f ADC | ADC clock frequency | 14 | 80 | MHz | ||
| f S | Sampling rate | 0.06 | 5 | MHz | ||
| f TRIG | External trigger frequency | f ADC = 14MHz | 875 | kHz | ||
| f TRIG | External trigger frequency | 16 | 1/f ADC | |||
| f TRIG | External trigger frequency | f ADC = 80MHz | 4.4 | MHz | ||
| f TRIG | External trigger frequency | 18 | 1/f ADC | |||
| V AIN | Conversion voltage range | V REFP ≥ V DDIO | 0 | V DDIO | V | |
| V AIN | Conversion voltage range | V REFP < V DDIO | 0 | V REFP | V | |
| R AIN | External input impedance | 50 | kΩ | |||
| R ADC | Sampling switch resistance | 0.6 | 1.5 | kΩ | ||
| C ADC | Internal sample-and-hold capacitance | 4.5 | pF | |||
| t CAL | Calibration time | f ADC = 14MHz | 2 | us | ||
| t Iat | f ADC = 14MHz | 0.143 | us | |||
| t Iat | Injected trigger conversion latency | f ADC = 80MHz | 0.025 2 | us 1/f ADC | ||
| t Iatr | f ADC = 14MHz | 0.143 | us | |||
| t Iatr | Regular trigger conversion latency | f ADC = 80MHz | 0.025 | us | ||
| t Iatr | 2 | 1/f ADC | ||||
| t s | f ADC = 14MHz | 0.107 | 17.11 | us | ||
| t s | Sampling time | 1.5 | 239.5 | 1/f ADC | ||
| t s | f ADC = 80MHz | 0.037 | 2.49 | us | ||
| t s | 3.5 | 239.5 | 1/f ADC | |||
| t STAB | Power-on time | 1 | us |
| t CONV | Total conversion time (including sampling time) | f ADC = 14MHz | 1 | 18 | us |
|---|---|---|---|---|---|
| t CONV | Total conversion time (including sampling time) | 14 | 252 | 1/f ADC | |
| t CONV | Total conversion time (including sampling time) | f ADC = 80MHz | 0.2 | 3.15 | us |
| t CONV | Total conversion time (including sampling time) | 16 | 252 | 1/f ADC |
- The external capacitor on VREFP should be placed as close as possible; otherwise, ADC performance will be affected.
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
| Part Number | Manufacturer | Package |
|---|---|---|
| CH32H417MEU6 | WCH | QFN-88 10x10mm |
| CH32H417QEU6 | WCH | QFN-128(12.3x12.3) |
| CH32H417RM | WCH | — |
| CH32H417WEU6 | WCH | QFN-68 8x8mm |
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All Microcontrollers (MCU) datasheetsAll WCH datasheets (94)
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