Automotive Microcontroller Unit (MCU) - E31 Series
The E31 series belongs to SemiDrive's high-performance entry-level MCU product lineup, which targets at application fields such as body zone controllers, zone controllers, advanced driver assistance systems, LiDAR, and main drive inverters etc.
This series of MCUs has a maximum of 2 independent ARM Cortex R5F cores, which can be configured as lock-step/unlock-step, with a maximum frequency of 400MHz; in addition, there is an independent cyber security core with a maximum frequency of up to 200MHz.
The E31 series provides 640KB-2M RAM and 4M-8M Flash, and is equipped with abundant I/O resources. This product meets the cyber security demands of Full EVITA level and supports cyber security firmware that complies with the ISO 21434 standard.
SemiDrive provides functional safety software libraries, FMEDA, and various functional safety documents to help achieve functional safety applications at the highest ASIL-B level.
Product Brief
Advantages
Flexible and Configurable High-performance Product Portfolio 
- Fitted with an ARM Cortex R5 core, with a frequency of 300MHz-400MHz
- Equipped with 1-2 cores; Dual-core chips for lock-step/unlock-step
- Provides 640KB/1152KB/1984KB RAM and 4M/8M Flash
- Packaged in accordance with LQFP176/BGA220
Fitted with CANFD, USB, SDIO/eMMC, I2S, 10/100M Ethernet, LIN/UART, SPI, and I2C interfaces
Complete Software and Ecological Support 
- Provides functional safety software libraries, FMEDA, and various functional safety documents
- SemiDrive's self-developed MCAL for functional safety development process
- Automotive SSDK software package for introduction to mass production
- SemiDrive's self-developed basic version of cyber security firmware for secure boot
- Collaborate with numerous ecosystem partners
Excellent Reliability and Safety 
Applications
IO-type zone control / body domain control
LiDAR
Advanced Driver Assistance System (ADAS)
E-Cockpit system management
Main drive inverterHardware
E31 series including E3106/E3118/E3119 Mature reference designs are available
