Main features

－ Kernel CPU

•  Arm® Cortex®-M4F @240MHz + FPU, 300DMIPS, single-cycle hardware multiplication and division instructions, support DSP instructions and MPU, built-in 8KB instruction cache, support Flash acceleration unit execution program 0 waiting

－ Encrypted memory

•  512KB eFlash supports encrypted storage, partition management and data protection, 10,000 erases, and 10 years of data maintenance

• 196KB SRAM, supports parity and ECC verification

－ Power consumption mode

•  Supports Run, Stop0, Standby, VBAT power consumption modes

－ Supports internal RC or external crystal clock inputs

－ Reset

•  Supports power-on/power-down/external pin reset

•  Support watchdog reset

• Supports programmable voltage detection

－ Maximum support of 118 GPIOs

－ Communication interface

•  1 x USB FS Device Interface

•  1 x USB HS DualRole port

•  6 SPI interfaces, 2 I2S

•  4 USART interfaces/4 UART interfaces, support ISO7816, IrDA, LIN

•  4 I2C interfaces

•  3 CAN-FD bus interfaces

•  1 Ethernet MAC interface, supports 10M/100M Ethernet, IEEE1588 protocol (N32H487 only)

•  1 DVP (Digital Video Port) (N32H487 only)

－ High-performance analog interface

•  4 12bit 4.7Msps ADCs, up to 64 external channels

•  2 12 bits 1Msps DAC

•  1 temperature sensor

－ High-speed storage expansion interface

•  1 xSPI interface

•  1 FEMC interface

•  1 SDIO interface

－  Cordic Mathematical function hardware accelerator for motor control Cordic

－  Built-in filtering algorithm accelerator FMAC, supports FIR and IIR filtering

－  2 high-speed DMA controllers, each controller supports 8 channels, and the channel source and destination addresses can be matched

－  Built-in calibrated RTC real-time clock, supports leap year perpetual calendar, alarm clock events, periodic wake-up

－  High-precision timing counter

•  3 16bit advanced timing counters, 12 pairs of complementary PWM outputs, 4.16ns control accuracy

•  10 16-bit general-purpose timers, supporting 40 PWM outputs

•  2 32bit basic timing counters

•  2 16bit low power timers

•  1 24bit SysTick

•  2 independent watchdog counters

－  Safety features

•  Flash storage encryption, multi-user partition management (SMPU)

•  Support write protection (WRP), multiple read protection (RDP) levels (L0/L1/L2)

•  Built-in password algorithm hardware acceleration engine, supporting AES/3DES, SHA, SM3, SM4, MD5 algorithms

•  TRNG True Random Number Generator

•  CRC16/32 operation

•  Supports secure startup, program encryption download, and secure updates

•  Support external clock failure monitoring

•  Supports tampering and monitoring

－   96位UID和128位UCID 96-bit UID and 128-bit UCID

－   Highly reliable working environment

•  1.8V～3.6V/-40℃～105℃

•  ±4kV ESD（HBM）

•  ±4kV EFT (VDD Class A)