APM32F402 Series

The APM32F402 series is an industrial-grade high-performance and cost-effective MCU built on advanced 55nm process technology. It provides excellent computational power and large memory, supporting various applications. With numerous peripheral interfaces like U(S)ART, I2C, SPI, CAN, and USB, it enables innovative product development. It's ideal for charging stations, battery management, encoders, barcode scanners, gaming peripherals, HVAC controls, smart appliances, receipt printers, medical devices, and smart security systems.

Packaging Roadmap

Performance

System

  • Arm® Cortex®-M4F
  • Operating frequency: 120 MHz
  • Supports FPU/DSP
  • 5+7-channel DMA

Memory

  • Flash: 128 KB  
  • SRAM: 32 KB

Power Management

  • Operating voltage: 2.0~3.6 V
  • Supports POR/PDR
  • Supports programmable voltage detector (PVD)

Timers

  • 16-bit advanced timers: 2
  • 16/32-bit general-purpose timers: 3/1
  • Watchdog timers: 2
  • 24-bit SysTick: 1

Analog Peripherals

  • 12-bit ADC: 2
  • External channels: 16
  • Maximum sampling rate: 1 MSPS

I/O

  • Up to 51 I/Os
  • All I/Os can be mapped to external interrupt vectors

Communication Peripherals

  • U(S)ART: 4
  • I2C: 1
  • SPI: 2
  • CAN: 2
  • USB OTG FS: 1

Security

  • 96-bit unique device ID

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

QSPI

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
QSPI
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

Design Resources

Software Development Tools

Format Size
APM32F402_403_SDK SDKs V1.0.0 January 03, 2025

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