APM32A103 Series
Overview
Performance
Selection Tools
Block Diagram
Documentation
Design Resources

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

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Core

M0CP
Coprocessor

Frequency(MHz)

FLASH(KB)

SRAM(KB)

FPU

I/Os

Vmin~Vmax

Package

GPTMR(16-bit)

GPTMR(32-bit)

Advanced
TMR(16-bit)

Basic
TMR

SysTick(24-bit)

IWDT

WWDT

RTC

ADC
cell(12-bit)

ADCchannels(12-bit)

DAC
cell(12bit)

DACchannels(12bit)

Analog
comparator

Operational
Amplifier

TSC
channels

SPI

QSPI

I²S

I²C

U(S)ART

CAN

SDIO

USB
Device

CEC

USB
OTG_FS

USB
OTG_HS

DCI

SMC

DMC

Ethernet

RNG

AES/DES/ TDES

BN/SM2/SM3/SM4

0 total entry

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Compare
Part
No.
Core
M0CP
Coprocessor
Frequency(MHz)
FLASH(KB)
SRAM(KB)
FPU
I/Os
Vmin~Vmax
Package
GPTMR(16-bit)
GPTMR(32-bit)
Advanced
TMR(16-bit)
Basic
TMR
SysTick(24-bit)
IWDT
WWDT
RTC
ADC
cell(12-bit)
ADCchannels(12-bit)
DAC
cell(12bit)
DACchannels(12bit)
Analog
comparator
Operational
Amplifier
TSC
channels
SPI
QSPI
I²S
I²C
U(S)ART
CAN
SDIO
USB
Device
CEC
USB
OTG_FS
USB
OTG_HS
DCI
SMC
DMC
Ethernet
RNG
AES/DES/ TDES
BN/SM2/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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