SA32B20XAQ

• Core:

- ARM Cortex-M4F

- Maximum supported frequency: 160MHz

- Supports DSP, FPU, MPU and NVIC

- Supports JTAG and SWD debug interfaces

• Memory:

- Code Flash: 2048KB

- Data Flash: 128KB

- SRAM: 256KB

- Instruction Cache: 16KB

• System:

- Two DMA engines with a total of 32 channels for more efficient data transfer

- Built-in internal signal interconnect module

- SysTick and RTC timers

• Functional Safety:

- Supports ISO 26262 ASIL-B level

- ECC on Flash and SRAM reads

- On-chip clock monitoring

- On-chip power overvoltage and undervoltage monitoring

- On-chip temperature monitoring

- 3 hardware CRCs for data integrity check

- Built-in independent clock WDOG

• Security:

- HSM engine for encryption and decryption

- Supports AES128/256, RSA1024/2048/3072/4096, ECC256, SM2/3/4, SHA224/256, TRNG, secure key storage and unique ID

- Supports secure boot and AES-CMAC authentication

- Compliant with the EVITA Full HSM specification

• Analog:

- Supports external crystal oscillator input: 8MHz ~ 40MHz

- Built-in high-precision HIRC: 24MHz

- Built-in low-power LIRC: 131.072KHz

- Built-in PLL

- ADC: 2 x 12-bit @1Mbps SAR ADC, 26 channels in total, built-in 2.5V reference voltage

- Analog comparator: two fast comparators with built-in 8-bit DAC

• Peripherals:

- 2 x CAN, each supporting CAN 2.0 and CAN-FD

- 4 x UART/LIN, each supporting LIN2.2 and SAE J2602

- 4 x SPI, each with 4 chip select signals

- 4 x I2C

- 7 x 16-bit PWM, 38 channels in total, supporting dead-zone complementary output, input capture, center-aligned and edge-aligned symmetric PWM output modes, and quadrature decoding

- 4 x 32-bit TRGT (Flexible Trigger Timers): 4 channels per TRGT

- 4 x 16-bit GPT (General Purpose Timer)

• Other Features:

- AEC-Q100 Grade 1 (TA: -40 to 125°C)

- Package: QFN56

The SA32Bxx series MCUs are based on the widely used ARM Cortex-M4F core. It’s designed with the objective of high reliability and function safety to meet the requirements of automotive market. SA32Bxx series is designed according to ISO26262 ASIL-B level functional safety requirements and meets AEC-Q100 G1 grade reliability standards. It achieves the best balance of performance and cost.  SA32Bxx series is very suited for Automotive Body & Comfort & Telematics applications like BCM, T-box, HVAC, Seat, Lighting, etc. It’s also a good choice for new energy applications on EVs like OBC, LV-BMS, Heat Management, etc.