GD32VW553KIQ7
GigaDevice · GD32VW553 Series
Overview
GD32VW553KIQ7 is a GigaDevice-bit RISC-V MCU from 32, built on the Nuclei Nuclei N307 core (RV32IMAFDC), with a maximum clock of 160 MHz, 320 KB of on-chip SRAM, and 2048 KB KB of Flash. Typical active power is about 117 µA/MHz.
Core and memory
| Vendor | GigaDevice（Chinese mainland） |
|---|---|
| IP brand / origin | Nuclei（Chinese mainland） |
| Core | Nuclei N307 |
| ISA / bit width | RV32IMAFDC · 32 bit |
| Max clock | 160 MHz |
| SRAM | 320 KB |
| On-chip Flash | 2048 KB |
| OTP | 0.25 KB |
Power and electrical
Conditions and notes: The vendor or source notes are in Chinese in the original 数据手册 VDD=3.3V/25°C：Run 18.72mA@160MHz（外设时钟全关）→117.0µA/MHz；deep-sleep 130.77µA（LDO 低功耗+低驱动）；standby 2.73µA；唤醒 66.6µs。Wi-Fi TX 265–331mA、RX 99–107mA；Wi-Fi sleep 37.6mA；DTIM=10 时 0.31mA；shutdown 1µA。
| Supply voltage | 1.8–3.6 V |
|---|---|
| Operating temperature | -40 ℃ ~ 105 ℃ |
| Wake-up time | 66.6 µs |
Peripherals and interfaces
| UART / USART | 3 way |
|---|---|
| SPI | 1 way |
| I²C | 2 way |
| BLE | 1 way |
| Wi-Fi | 1 way |
| DMA | 8 way |
| ADC | 9 channels · 12 bit |
| Other | The vendor or source notes are in Chinese in the original 1x QSPI，CAU/HAU/PKCAU，TRNG，EFUSE；4x 通用定时器 + 1x 高级 + 1x 基本定时器 |
Sources and notes
Confidence:High (official datasheet) · Last verified 2026-11-04
The vendor or source notes are in Chinese in the original Wi-Fi 6 (802.11b/g/n/ax, 2.4GHz, HT20) + BLE。数据手册特性表写 BLE5.3，产品页写 BLE5.2，存在冲突。内核为芯来 N307（N300 系列），SDK 以 rv32imafdc + Zba/Zbb/Zbc/Zbs 编译。无 USB/CAN。本型号 QFN32 封装，21 GPIO，2MB SiP Flash。