APM32S103x8xB

System

• Arm® Cortex®-M3

• Operates at the frequency of 96MHz

• Supports FPU operations

• Working temperature: -40℃~+105℃

Memory

• Flash: 128KB

• SRAM: 36KB

Clock

• HSECLK: 4~16MHz external crystal/ceramic oscillators

• LSECLK: 32.768KHz crystal/ceramic oscillator

• HSICLK: Calibrated 8MHz

• RC oscillator LSICLK: 40KHz RC oscillator

• PLL: 2~16x frequency

Power Supply & Management

• VDD range: 2.0~3.6V

• VDDA range: 2.0~3.6V

• VBAT supply range: 1.8V~3.6V

• Supports POR/PDR

• Supports programmable voltage detector

Low-power Mode

• Supports sleep, stop, and standby modes

DMA

• DMA-7: 1

Debug Mode

• JTAG

• SWD

I/Os

• Up to 80 I/Os

• All I/Os are mappable on external interrupt vectors

• Up to 60 I/Os are 5V tolerant inputs

Communication Peripherals

• I2C: 2 (1Mbit/s), supports SMBus/PMBus

• USART: 3, supports ISO7816, LIN and IrDA

• SPI:2, with a maximum transmission rate of 18Mbps

• CAN: 2

• USBD: 1

Analog Peripherals

• 12-bit ADC: 2

• Internal Temperature Sensor: 1

Timer

• 16-bit advanced timer: 1, supports deadband and brake input

• 16-bit universal timer: 3, each time has 4 independent channels for input capture, output comparison, PWM and pulse counting

• Watchdog timer: 2, a stand-alone watchdog IWDT and a window watchdog WWDT

• SysTick: 1

RTC

• Supports calendar function

Package

• QFN 36

• LQFP 48/64/100