KF8A100
AEC-Q100 Grade 1 8-bit MCU with 64KB Flash and CAN interface for automotive body electronics
Product Overview
Description
The KF8A100 is a high-performance 8-bit automotive microcontroller designed for body electronics applications. It features AEC-Q100 Grade 1 qualification (-40°C to +125°C) and robust EMC performance for automotive environments.
This MCU includes 64KB Flash memory, 4KB RAM, and comprehensive peripherals including CAN 2.0B, LIN, UART, SPI, and I2C interfaces. The integrated 12-bit ADC and PWM timers support various sensor and control applications.
Built-in safety features include watchdog timer, brown-out detection, and clock monitoring. The KF8A100 is suitable for body control modules, door modules, HVAC control, and other automotive electronics.
Product Series
KF
Primary Application
Body control modules
Key Features
- AEC-Q100 Grade 1 qualified
- CAN 2.0B interface
- LIN master/slave support
- 12-bit ADC with 16 channels
- 16-bit PWM timers
- Hardware watchdog timer
Specifications
| Core | 8-bit |
|---|---|
| Flash | 64KB |
| RAM | 4KB |
| EEPROM | 1KB |
| Operating Voltage | 2.7V-5.5V |
| Temperature Range | -40°C to +125°C (Grade 1) |
| Package | LQFP-48 |
Applications
Body control modules
Industrial automation and control
Door control modules
Industrial automation and control
HVAC control systems
Industrial automation and control
Seat control modules
Industrial automation and control
Lighting control
Industrial automation and control
FAE Expert Insights
"The KF8A100 is an excellent choice for cost-sensitive automotive body electronics applications. In my experience supporting automotive Tier-1 suppliers, this MCU provides the right balance of features and cost for body control modules. The integrated CAN and LIN interfaces simplify vehicle networking, while the robust EMC performance ensures reliable operation in harsh automotive environments. I particularly appreciate the comprehensive peripheral set which reduces the need for external components. The AEC-Q100 Grade 1 qualification meets requirements for most passenger compartment applications. For development, ChipON provides good software libraries and example code that accelerate time-to-market."
Cost-effective automotive MCU with comprehensive peripherals for body electronics
— Michael Chen, BeiLuo
Frequently Asked Questions
What is the maximum operating frequency of KF8A100?
The KF8A100 operates at maximum CPU frequency of 32MHz. This frequency provides adequate processing power for typical body electronics applications while maintaining low power consumption. The MCU includes programmable clock dividers to reduce frequency for power-sensitive applications. At 32MHz, the KF8A100 can execute most control algorithms efficiently while leaving headroom for communication protocol handling and interrupt servicing.
For applications requiring higher processing power, consider KF32 series 32-bit MCUs. Contact LiTong for performance analysis.
How do I program and debug the KF8A100?
The KF8A100 supports in-circuit programming and debugging through a standard debug interface. ChipON provides dedicated debuggers and programmers that connect to the IDE. The programming voltage is 5V or 3.3V compatible. Flash programming can be done via the debug interface or through bootloader for in-field updates. The IDE includes comprehensive debugging features such as breakpoints, single-stepping, and variable inspection. LiTong can provide debug tools and training for development teams.
Contact LiTong for debug tools and programming equipment recommendations.
What power consumption can I expect with KF8A100?
The KF8A100 features low power consumption suitable for automotive applications. Typical active mode current is 5-8mA at 32MHz with all peripherals enabled. Sleep mode consumption is less than 50μA with watchdog running. The MCU includes multiple low-power modes that can be configured based on application requirements. Power consumption scales with operating frequency and number of active peripherals. For battery-backed applications, the low sleep current ensures minimal battery drain during standby periods.
For ultra-low power applications, contact LiTong for power optimization guidance.
Can KF8A100 be used for safety-critical applications?
The KF8A100 includes basic safety features such as watchdog timer, brown-out detection, and clock monitoring. However, for safety-critical applications requiring ASIL compliance, ChipON recommends using KF32 series MCUs with enhanced safety features including dual-core lockstep, ECC memory, and comprehensive diagnostic capabilities. The KF8A100 is suitable for QM (Quality Management) level applications such as body electronics where functional safety requirements are less stringent.
For safety-critical applications, contact LiTong to discuss KF32 series safety-compliant MCUs.
What is the Flash endurance and data retention for KF8A100?
The KF8A100 Flash memory provides minimum 100,000 program/erase cycles endurance and 20-year data retention at 85°C. These specifications meet automotive requirements for parameter storage and firmware updates over the vehicle lifetime. The Flash can be programmed in pages or individually by word. Error correction is not implemented in the KF8A100, so critical data should include software-based error checking. For applications requiring higher endurance, consider external EEPROM or using wear-leveling techniques.
For high-endurance storage requirements, contact LiTong for external memory solutions.