General Description
The GD32F103xx device is a 32-bit general-purpose microcontroller based on the ARM CortexTM-M3 RISC core with best ratio in terms of processing power,reduced power consumption and peripheral set.The CortexTM-M3 is a next generation processor core which is tightly coupled with a Nested Vectored Inteerupt Controller(NVIC),SysTick timer and advanced debug support.
|
CPU core |
ARM Cortex-M3 |
|
CPU Max Clock Speed |
108MHz |
|
Working Voltage |
2.6V~3.6V |
|
Internal oscillator |
yes |
|
External Clock |
3MHz~32MHz |
|
FLASH |
64KB |
|
RAM |
20KB |
|
GPIO |
37 |
|
ADC |
2@x12bit |
|
(E)PWM |
1@x16bit |
|
Timer16 |
3 |
|
U(S)ART |
3 |
|
I2C |
2 |
|
(Q)SPI channels |
2 |
|
CAN channels |
1 |
|
USB |
Full speed |
|
Peripherals/Function/Protocol stack |
On-chip temperature sensor；DMA；watchdog；LIN bus protocol；PWM；IrDA；SDIO；RTC real time clock |
|
working temperature |
-40℃~+85℃ |
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