XM33C321ASPZR datasheet(85/122 Pages) TI2

85 / 122 page

Table 8-13. UART (UNICOMM) Features (continued)

Supported Features

UC1.UART

UC12.UART

UC13.UART

UC14.UART

Support IrDA

Yes

Support ISO7816 Smart Card

Yes

Support Manchester coding

Yes

For more details, see the UART (UNICOMM) chapter of the MSPM33C3x 160-MHz Microcontrollers Technical

Reference Manual.

8.14.1.2 I2C (UNICOMM)

The inter-integrated circuit interface (I2C) peripherals in these devices provide bidirectional data transfer with

other I2C devices on the bus and support the following key features:

• 7-bit and 10-bit addressing mode with multiple 7-bit target addresses

• Multiple-controller transmitter or receiver mode

• Target receiver or transmitter mode with configurable clock stretching

• Support Standard-mode (Sm), with a bit rate up to 100 kbit/s

• Support Fast-mode (Fm), with a bit rate up to 400 kbit/s

• Support Fast-mode Plus (Fm+), with a bit rate up to 1 Mbit/s

– Supported on high-drive (HDIO) IOs only

• Separated transmit and receive FIFOs support DMA data transfer

• Support SMBus 3.0 with PEC, ARP, timeout detection and host support

• Wakeup from low power mode on address match

• Support analog and digital glitch filter for input signal glitch suppression

• See Table 8-14 and Table 8-15 for detailed information on supported features for controller and target

functions

Table 8-14. I2C Controller (UNICOMM) Features

Supported Features

UC1.I2C, UC14.I2C, UC15.I2C

UC13

Supports standard-mode (Sm)

Yes

Supports Fast-mode (Fm)

Yes

Supports Fast-mode Plus (Fm+)

Yes

Supports analog glitch filter

Yes

Supports digital glitch filter

Yes

Supports burst mode

Yes

Supports SMBus mode

Yes

Table 8-15. I2C Target (UNICOMM) Features

Supported Features

UC1.I2C

UC14.I2C, UC15.I2C

UC13

Supports standard-mode (Sm)

Yes

Supports Fast-mode (Fm)

Yes

Supports Fast-mode Plus (Fm+)

Yes

Supports analog glitch filter

Yes

Supports digital glitch filter

Yes

Supports second target address

& mask

Yes

Supports SMBus mode

Yes

Supports low power wakeup

Yes

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MSPM33C321A, MSPM33C3219

SLASFB6A – DECEMBER 2025 – REVISED SEPTEMBER 2026

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