APM32 Microcontrollers
APM32S103x8xB
Product Overview
Based on a 32-bit Arm® Cortex®-M3 core, the APM32S103x8xB series MCUs come with computing frequency up to 96MHz and a working temperature range of -40℃ to +105℃, helping products operate stably in industrial-grade temperature scenarios. With enhanced peripheral functions and 2 built-in CANs, it supports dual CAN operation at the same time.
Performance
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
Model List
| Part No. | Frequency MHz | Flash KB | RAM KB | EMMC (SDRAM) | FPU | I/Os | Vmin (V) | Vmax (V) | GPTMR 16-bit | Advanced TMR 16-bit | Basic TMR 16-bit | SysTick 24-bit | IWDG | WWDG | RTC | ADC 12-bit cell | ADC 12-bit channels | DAC 12-bit cell | DAC 12-bit channels | Analog Comparator | TSC Channels | SPI | I2S | I2C | U(S)ART | CAN | SDIO | USBD | CEC | Package |
| APM32S103TBU6 | 96 | 128 | 36 | 0 | 1 | 26 | 2 | 3.6 | 3 | 1 | 0 | 1 | 1 | 1 | 1 | 2 | 10 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 2 | 0 | 1 | 0 | QFN36 |
| APM32S103C8T6 | 96 | 64 | 36 | 0 | 1 | 37 | 2 | 3.6 | 3 | 1 | 0 | 1 | 1 | 1 | 1 | 2 | 10 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 3 | 2 | 0 | 1 | 0 | LQFP48 |
| APM32S103CBT6 | 96 | 128 | 36 | 0 | 1 | 37 | 2 | 3.6 | 3 | 1 | 0 | 1 | 1 | 1 | 1 | 2 | 10 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 3 | 2 | 0 | 1 | 0 | LQFP48 |
| APM32S103RBT6 | 96 | 128 | 36 | 0 | 1 | 51 | 2 | 3.6 | 3 | 1 | 0 | 1 | 1 | 1 | 1 | 2 | 16 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 3 | 2 | 0 | 1 | 0 | LQFP64 |
| APM32S103VBT6 | 96 | 128 | 36 | 0 | 1 | 80 | 2 | 3.6 | 3 | 1 | 0 | 1 | 1 | 1 | 1 | 2 | 16 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 3 | 2 | 0 | 1 | 0 | LQFP100 |
Download Resources
IC Document
| Resource Title | Version | Update Date | Download |
|---|---|---|---|
| APM32S103x8xB User Manual | V1.0 | 2022/7/27 |
|
| APM32S103x8xB datasheet | V1.3 | 2022/12/30 |
|
MINI Board
| Resource Title | Version | Update Date | Download |
|---|---|---|---|
| APM32S103 MINI Board User Manual | V1.0 | 2022/12/9 |
|
| APM32S103VB MINIBOARD Schematic Diagram | V1.0.0 | 2023/2/2 |
|
Software Package
| Resource Title | Version | Update Date | Download |
|---|---|---|---|
| APM32S10x_SDK | V1.1 | 2023/1/10 |
|
| APM32S1xx_DFP pack | V1.0.1 | 2023/1/10 |
|