1 Features

• Qualified for automotive applications

• Core

– 160MHz Arm® 32-bit Cortex®-M33 CPU with TrustZone®, FPU, and DSP extensions

– 4kB instruction cache for 0 wait-state execution

– Developed for functional safety applications up to ASIL-B

– Documentation available to aid ISO 26262 system design

• Operating characteristics

– Extended temperature: –40°C up to 125°C

– Wide supply voltage range: 1.71V to 3.6V

• Memories

– Up to 1MB of flash memory with error correction code (ECC)

• Dual-bank with address swap

– 256kB of SRAM with ECC

– EEPROM operations using 32kB highendurance data flash

• Security

– Immutable Root of Trust (RoT) in ROM, supports secure firmware installation, boot and key provisioning

– Global Security Controller (GSC) with dynamic access controls for flash, SRAM, and peripherals

– AES256 hardware accelerator with GCM

– SHA256 hardware accelerator with HMAC

– Public Key Accelerator (PKA)

– 32-bit true random number generator (TRNG)

• High-performance analog peripherals

– Two high-speed 9.4-Msps 12bit analog-todigital converters (ADCs) with up to 36 external channels

– Two high-speed/low-power comparators (COMP)

– Two externally available 8-bit DACs

– Configurable 1.4V or 2.5V internal shared voltage reference (VREF)

– Integrated temperature & supply monitor

• Optimized low-power modes

– RUN: 207μA/MHz (CoreMark)

– SLEEP: 3.3mA at 32MHz

– STOP: 143μA at 4MHz

– STANDBY: 16μA with CPU execution resume and 64kB SRAM retention

– SHUTDOWN: <100nA with IO wake-up capability

• Optimized digital peripherals

– Two DMA controllers with 16 total channels

– Nine timers support up to 30 PWM channels

• Two 16-bit advanced timers with deadband, fault handling, and complementary pair

• Four 16-bit general-purpose timers

• One 32-bit general-purpose timer

• Two 16-bit general-purpose timer supporting quadrature encoder interface

– One window-watchdog timer

– CRC16/32 module

• Enhanced communication interfaces

– Quad SPI (QSPI) for external memory up to 20Mbytes/s

– Two Controller Area Network (CAN) interfaces support CAN 2.0A/B and CAN-FD

– Three configurable serial interfaces supporting UART (LIN) or I2C (SMBus/PMBus)

– Four configurable serial interfaces supporting UART, I2C, or SPI

– Two dedicated I2C interfaces support up to FM+ (1Mbit/s), SMBus/PMBus

– One dedicated SPI interface

– One dedicated UART interface supporting LIN, IrDA, DALI, Smart Card, Manchester

– Two digital audio interfaces support full duplex I2S and TDM (16-slots)

• VBAT island (auxiliary supply)

– Independent supply with dedicated VBAT pin

– Real-time clock (RTC)

– Three tamper detection IO with timestamp

– Independent watchdog timer (IWDT)

– 32B backup memory

• Clock system

– Internal 32MHz oscillator (SYSOSC)

– Phase-locked loop (PLL)

– Internal 32kHz oscillator (LFOSC)

– External 4 to 48MHz crystal oscillator (HFXT)

– External 32kHz crystal oscillator (LFXT)

– External clock input

• Flexible I/O features

– Up to 93 GPIOs

• Development support

– 2-pin serial wire debug (SWD)

• Package options

– 100-pin LQFP (0.5mm pitch)

– 80-pin LQFP (0.5mm pitch)

– 64-pin LQFP (0.5mm pitch)

– 48-pin VQFN (0.5mm pitch)

• Family members (also see Device Comparison)

– MSPM33C321A: 1MB flash, 256KB SRAM

– MSPM33C3219: 512KB flash, 256KB SRAM

• Development kits and software (also see Tools and Software)

– LaunchPad EVM LP-MSPM33C321A

– MSP Software Development Kit (SDK)

• Automotive qualification

– AEC-Q100 Grade 1 (-40°C to 125°C)

– Planned for ISO21434 certification