Specs side by side
2 parts compared · 26 differing specs across 26 total parameters.
| Parameter | ||
|---|---|---|
| Operating temperature | - | -40°C ~ 85°C (TA) |
| Supply voltage | 2.7V – 5.5V (Wide voltage range allows direct 5V legacy designs) | - |
| Voltage - Supply (vcc (vdd)) | - | 2V ~ 3.6V |
| Memory & Peripherals | 64 KB Flash, 20 KB SRAM; USB host/device built-in | - |
| Program Memory Size | - | 64KB (64K x 8) |
| Program Memory Type | - | FLASH |
| Ram Size | - | 20K x 8 |
| Case | LQFP-48 | 48-LQFP |
| Package | - | Tray |
| Compatibility Level | Pin-to-Pin (Minor Clock/Init Tuning) | - |
| Connectivity | - | CANbus, I²C, IrDA, LINbus, SPI, UART/USART, USB |
| Core & Architecture | Cortex-M3 compatible QingKe V4F core @ 72 MHz | - |
| Core Processor | - | ARM® Cortex®-M3 |
| Core Size | - | 32-Bit Single-Core |
| Data Converters | - | A/D 10x12b |
| Firmware Notes | Standard peripheral registers mirror STM32F103. WCH OpenOCD / WCH-Link utility recommended for programming. Built-in USB bootloader allows firmware flashing via standard USB without external programmer. | - |
| Hardware Notes | Pinout matches LQFP-48 standard. Wide 5V tolerance provides superior noise immunity in harsh industrial motor control and relay drive applications. | - |
| Lead Time Advantage | Factory Direct Inventory (48h Dispatch) | - |
| Mounting | - | Surface Mount |
| Number Of I (o) | - | 37 |
| Oscillator Type | - | Internal |
| Peripherals | - | DMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT |
| Reference Part | STM32F103C8T6 | - |
| Series | - | STM32F1 |
| Sourcing Advantage | WCH primary distribution line in Shenzhen. Dependable supply stability for high-volume commercial electronics. | - |
| Speed | - | 72MHz |
Parts
- CH32F103C8T6 · wch
- STM32F103C8T6 · stmicroelectronics