APM32A103 Series

The APM32A103 mainstream automotive-grade MCUs, based on the Arm® Cortex®-M3 core, deliver high reliability and low power consumption. With integrated FPU and CRC units, a built-in EMMC controller, and versatile interfaces, these MCUs support various automotive applications, optimizing automotive electronics designs.At present, it can be widely used in HUD, head flow light, blind spot monitor, onboard central control, smart cabin, power liftgate, fault diagnostic instrument and fuel anti-theft alarm.

Packaging Roadmap

Performance

System

  • Arm® Cortex®-M3
  • Operates at frequency of 96MHz

Memory

  • Flash: 128/512KB
  • SRAM: 20/128KB

Power Consumption

  • Operating voltage range: 2.0V~3.6V
  • Support PDR/POR
  • Supports programmable voltage detector
  • Supports sleep, stop and standby modes

Timer

  • 16-bit universal timer: 4
  • 16-bit basic timer: 2
  • 16-bit advanced timer: 1/2
  • Watchdog timer: 2
  • SysTick: 1

Analog Peripherals

  • 12-bit ADC:3,external channels:16
  • 12-bit DAC:2,external channels:2

I/Os

  • Up to 80 I/Os
  • All I/O are mapped to external interrupt vectors

Debug Mode

  • SWD
  • JTAG

Peripheral

  • U(S)ART: 5,I²C: 2
  • SPI/I²S: 3/2
  • CAN: 2
  • SDIO: 1
  • USB Device: 1

Certification level

  • AEC-Q100 Grade 1/2

Package

  • LQFP48/64/100

Selection Tools

All Products

Core

Frequency(MHz)

FLASH(KB)

SRAM(KB)

FPU

I/Os

Voltage(V)

Package

GPTMR(16bit)

GPTMR(32bit)

Advanced TMR(16bit)

Basic TMR

Systick(24bit)

IWDT

WWDT

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

USB Device

CEC

USB OTG_FS

USB OTG_HS

SMC

DCI

DMC

Ethernet

RNG

AES/DES/ TDES

BN/ SM3/SM4

Compare
Part No.
Core
Frequency(MHz)
FLASH(KB)
SRAM(KB)
FPU
I/Os
Voltage(V)
Package
GPTMR(16bit)
GPTMR(32bit)
Advanced TMR(16bit)
Basic TMR
Systick(24bit)
IWDT
WWDT
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
USB Device
CEC
USB OTG_FS
USB OTG_HS
SMC
DCI
DMC
Ethernet
RNG
AES/DES/ TDES
BN/ SM3/SM4

Block Diagram

Documentation

Format Size
APM32A103CBT7 datasheet Data Sheets V1.0 pdf 2.27 MB January 03, 2023
APM32A103xET7 datasheet Data Sheets V1.0 pdf 2.43 MB January 03, 2023
APM32A103CBT7 User Manual User Manuals V1.1 pdf 5.48 MB November 16, 2023
APM32A103xET7 User Manual User Manuals V1.1 pdf 7.32 MB November 24, 2023

Design Resources

Software Development Tools

Format Size
GeehyProg SetUp Programmer/DFU V1.0.2 msi 6.58 MB May 06, 2024
APM32A10x_SDK SDKs V1.0 zip 41.31 MB December 22, 2023
APM32A10x_DFP Pack SDKs V1.0.0 pack 1.31 MB December 22, 2023
APM32_USB_SDK SDKs V1.1 zip 9.45 MB January 05, 2024

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