Geehy | APM32A103 Series

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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.

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: 3/4
16-bit basic timer: 2
16-bit advanced timer: 1/2
Watchdog timer: 2
SysTick: 1

Analog Peripherals

12-bit ADC:2/3,external channels:10/16
12-bit DAC:2,external channels:2

Analog Peripherals

12-bit ADC:2/3,external channels:10/16
12-bit DAC:2,external channels:2

I/Os

37/51/80 I/Os
All I/O are mapped to external interrupt vectors

Debug Mode

SWD
JTAG

Peripheral

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

Certification level

AEC-Q100 Grade 1/2

Package

LQFP48/64/100

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Download Spreadsheet

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

Title	Type	Version	Format	Size	Update Date
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

Title	Type	Version	Format	Size	Update Date
GeehyProg SetUp	Programmer/DFU	V1.0	msi	6.58 MB	November 20, 2023
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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Microcontrollers & Microprocessors

Analog and Mixed-Signal ICs

Automotive Products

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Packaging Roadmap

Performance

System

Memory

Power Consumption

Timer

Analog Peripherals

Analog Peripherals

I/Os

Debug Mode

Peripheral

Certification level

Package

Selection Tools

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

Design Resources

Software Development Tools

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