SLAAES2 December 2025 MSPM33C321A
Peripheral Name | MSPM0Gx51x instance name | MSPM33C32xx instance name | Differences |
|---|---|---|---|
CPU | M0+ | M33 | Feature differences. See ARM documentation |
GPIO & IOMUX | GPIOA, GPIOB, GPIOC | GPIOA, GPIOB, GPIOC | No differences |
Standard DMA | DMA0 | DMA1 | No differences |
Secure DMA | - | DMA0 | N/a |
Math accelerator | MATHACL | - | N/a |
CAN | CAN0 | MCAN0 | No differences |
CAN | CAN1 | MCAN1 | No differences |
UART | UART0 | UC1_0 | Feature differences. MSPM33C32xx does not support DALI, IrDA, or ISO7816 modes |
UART | UART1 | UC1_1 | No differences except MSPM0Gx51x does not support LIN mode |
UART | UART2 | UC13_1 | Feature differences. MSPM0Gx51x does not support ISO7816. MSPM33C32xx S2U0 is retained but not active in STOP and STANDBY mode |
UART | UART3 | UC13_0 | Feature differences. MSPM0Gx51x does not support LIN, DALI, IrDA, ISO7816 |
UART | UART4 | UC13_2 | No differences except MSPM0Gx51x does not support LIN mode |
UART | UART5 | UC13_3 | No differences except MSPM0Gx51x does not support ISO7816 |
UART | UART6 | UC14 | No differences except MSPM0Gx51x does not support ISO7816 |
UART | UART7 | UC12 | Feature differences. MSPM33C32xx S2U2 does not support LIN, DALI, IrDA. MSPM33C32xx S2U2 is retained but not active in STOP or STANDBY mode |
I2C | I2C0 | UC1_0 UC15_0 | Feature differences. MSPM33C32xx does not support FIFO mode or digital glitch filter |
I2C | I2C1 | UC1_1 | Feature differences. MSPM33C32xx does not support FIFO mode or digital glitch filter |
I2C | I2C2 | UC13_0 UC15_1 | Feature differences. MSPM33C32xx does not support FIFO mode or digital glitch filter |
SPI | SPI0 | UC2 | No differences except MSPM33C32xx does not support packing |
SPI | SPI1 | UC13_0 | No differences except MSPM33C32xx does not support packing or multiple chip select |
SPI | SPI2 | UC13_1 | No differences except MSPM33C32xx does not support packing or multiple chip select |
- | QSPI | N/a | |
Timer | TIMA0 | TIMA0_0 | No differences |
Timer | TIMA1 | TIMA0_1 | No differences except MSPM33C32xx supports 4 external capture/compare units where MSPM0Gx51x supports 2 external capture compare units |
Timer | TIMG0 | TIMG4_0 | No differences except MSPM33C32xx supports shadow load and shadow capture/compare |
Timer | - | TIMG4_1 | N/a |
Timer | TIMG6 | TIMG4_2 | No differences |
Timer | TIMG7 | TIMG4_3 | No differences |
Timer | TIMG8 | TIMG8_0 | No differences |
Timer | TIMG9 | TIMG8_1 | No differences |
Timer | TIMG12 | TIMG12_0 | No differences |
Timer | TIMG14 | - | N/a |
ADC | ADC0 | ADC0 | Feature differences. See Technical Reference Manual. |
ADC | ADC1 | ADC1 | Feature differences. See Technical Reference Manual. |
Voltage reference | VREF | VREF | Feature differences. See the VREF comment in Schematic and PCB consideration |
DAC | DAC0 | - | N/a |
Comparator | COMP0 | COMP0 | No differences except MSPM33C32xx adds low-power scan mode |
Comparator | COMP1 | COMP1 | No differences except MSPM33C32xx adds low-power scan mode |
Comparator | COMP2 | - | N/a |
Audio | - | I2S0 | N/a |
Audio | - | I2S1 | N/a |
RTC | RTC_B | RTC | No differences except MSPM33C32xx RTC exists in VBAT power island |
Watchdog | WWDT0 | WWDT | No differences. |
Watchdog | WWDT1 | IWDT | Feature differences. MSPM33C32xx IWDT does not support window mode, or interval timer mode |
AES | AES-ADV | AES-ADV | No differences. |
CRC | CRC | CRC | No differences. |
SHA | - | SHA | N/a |
PKA | - | PKA | N/a |
Tamper | - | TAMP | N/a |