JH-Micro Technology

Autochips AC7801x Demo

Company Profile

JH-Micro Technology has become AutoChips' top MCU distributor with 20M+ chips delivered since 2019 , specializing in automotive-grade China-developed alternatives.
Solution Highlights
Complete domestic chipset for body control modules
Built on AutoChips AC7801x MCU platform
Verified through mass-production projects
Advantage
Bridging chipmakers, Tier 1 suppliers and OEMs with proven China-developed solutions for automotive electronics localization.

AutoChips AC7801x All-Domestic Demo Board

Background
Developed to meet OEMs' localization requirements, this demo enables Tier 1/2 suppliers to achieve full-BOM cost reduction with pre-validated China-developed chipset solutions (CAN/LIN transceivers, DC-DC, LDO, TVS etc.), enhancing supply chain resilience.

Physical Image of AC7801x Fully Domestic Demo

Top View of AC7801x Fully Domestic Demo

Key Features
Power: +12V/+5V input
Interfaces:
1x CAN, 1x SWLIN (UART0)
2x UART (debug), 2x I2C, 2x SPI
Debug: JTAG/SWD, 3x trap pins
Peripherals:
3x LEDs, 2x GPIO keys
Adjustable ADC resistor
Development Support
IDE: Keil MDK5.26, IAR
Libraries: Driver APIs, motor control algorithms, MCAL
Programmers: ULINK2/Pro, J-LINK, ATC-LINK, ISPTool

List of Key Components

Development Toolchain and Debugging Support:

The software development environment mainly supports Keil, MDK5.26 and IAR.
The function library and routines include driver interface function library, application routines, motor control algorithms and MCAL.
It supports ULINK2, ULINK Pro, J-LINK as well as ATC-LINK.
Programs can be programmed via debugging tools, or alternatively via ISPTool.

AutoChips AC7801x MCU Introduction

Launched in 2020 as an upgrade to the AC781x series (China's 1st 32-bit automotive MCU in 2018), the Cortex-M0+ based AC7801x is AEC-Q100 certified and ISO 26262 ASIL-B compliant.

Key Applications
Automotive: Sunroof/window control, seats, ETC, LED lighting, rain sensors, parking radar
Motor Control: Water/oil pumps, industrial fans

AC7801x Key Specifications

Core: ARM Cortex-M0+ @48/72MHz
Memory: 128KB Flash, 20KB RAM
Voltage: 2.7-5.5V with robust EMC/ESD performance
Packages: Mass-produced in LQFP48 & QFN32

AC7801x参数规格框图

AC7801x Key Advantages

Performance
ARM Cortex-M0 core @48MHz
128KB Flash, 20KB RAM
Robust Operation
-40°C to +125°C range
2.7-5.5V wide voltage input
Connectivity
CAN-FD (backward compatible)
2x LIN interfaces
Packaging
32/48-pin options (QFN/LQFP)
Safety Certified
AEC-Q100 Grade 1
ISO 26262 ASIL C capable
Cost Advantage
Competitive pricing for 8/16-bit MCU replacement in body control applications.

Conclusion

As China-developed MCUs gain market traction,our upgraded demo board demonstrates technical capabilities with AutoChips' platform, enabling chipmakers to focus on core R&D while we enhance localized support.

Upcoming:
Full domestic demos for AC781x/AC7840x
Body control reference designs
For details, follow our official account or contact regional sales.