APM32A003 Series

The APM32A003 cost-effective automotive-grade MCUs offer a broad temperature range, high precision, low-temperature drift, and strong anti-interference capabilities. Integrated with a rich set of peripheral interfaces and support the compact QFN20 package, and reducing the BOM cost. Certified to AEC-Q100 Grade 2 automotive reliability standards, these products can be widely used in parking sensors, automotive control panels, vehicle buttons, power windows, and smart seats.

Packaging Roadmap

Performance

System

  • Arm® Cortex®-M0+
  • Operates at frequency of 48MHz

Flash

  • Flash 32KB
  • SRAM 4KB

Power Supply and Reset

  • Supply voltage: 2.4V~5.5V

  • Supports POR/PDR

Timer

  • 16-bit advanced timer: 2
  • 16-bit general-purpose timers: 1
  • 8-bit basic timer: 1
  • Watchdog timers: 2
  • SysTick: 1
  • Auto wake-up timer:1

Analog peripherals

  • 12-bit ADC: 1
  • External channels: 8
  • Support differential input

Peripheral

  • USART :3
  • I2C : 1
  • SPI: 1 

I/O

  • 16 I/O
  • Can be mapped to an external interrupt vector

Security

  • 96-bit non-rewriteable unique identity

Certificate

  • AEC-Q100

Package

  • QFN20

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
APM32A003F6Ux datasheet Data Sheet V1.0 pdf 1.43 MB September 16, 2025
APM32A003F6Ux User Manual User Manual V1.0 pdf 3.22 MB September 16, 2025

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