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XM33C321ASPZR Datasheet(PDF) 84 Page - Texas Instruments |
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XM33C321ASPZR Datasheet(HTML) 84 Page - Texas Instruments |
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84 / 122 page  • Support for bit reversal • Support for custom polynomials For more details, see the CRC chapter of the MSPM33C3x 160-MHz Microcontrollers Technical Reference Manual. 8.14 Serial Communication Interfaces 8.14.1 UNICOMM (UART/I2C/SPI) UNICOMM is a highly flexible peripheral which can be configured to operate with a UART, SPI, I2C Controller or a I2C Target protocol at runtime. The user can select one of the serial interfaces during initialization. The peripheral uses shared 16-deep FIFOs in each UCx instance to maximize the device capability. A serial peripheral group (SPG) combines one or more UNICOMM instances for special functions like inter-module internal loopback and I2C pairing. UNICOMM (UCx) Serial Interface describes the peripheral serial interfaces available on each UNICOMM instance and how these are grouped into SPG groupings on the device. Table 8-12. UNICOMM (UCx) Serial Interface SPG Instance UNICOMM Instance UART SPI I2C Controller I2C Target FIFO SPG0 (PD0) UC1_0 Yes - Yes Yes 16 UC1_1 Yes - Yes Yes 16 SPG1 (PD1) UC2 - Yes - - 4 UC15_0 - - Yes Yes 4 UC15_1 - - Yes Yes 4 UC12 Yes - - - 4 UC13_0 Yes Yes Yes Yes 4 SPG2 (PD1) UC13_1 Yes Yes Yes Yes 4 UC13_2 Yes Yes Yes Yes 4 UC13_3 Yes Yes Yes Yes 4 UC14 Yes - Yes Yes 4 8.14.1.1 UART (UNICOMM) The UART peripheral function provide the following key features: • Standard asynchronous communication bits for start, stop, and parity • Fully programmable serial interface – 5, 6, 7 or 8 data bits – Even, odd, stick, or no-parity bit generation and detection – 1 or 2 stop bit generation – Line-break detection – Programmable baud rate generation with oversampling by 16, 8 or 3 – Local Interconnect Network (LIN) mode support • Support transmit and receive loopback mode operation • See Table 8-13 for detail information on supported protocols Table 8-13. UART (UNICOMM) Features Supported Features UC1.UART UC12.UART UC13.UART UC14.UART Active in Stop and Standby Mode Yes - - - Support hardware flow control Yes Yes Yes Yes Support 9-bit configuration Yes Yes Yes Yes Support LIN mode Yes Yes - Yes Support DALI - Yes - - MSPM33C321A, MSPM33C3219 SLASFB6A – DECEMBER 2025 – REVISED SEPTEMBER 2026 www.ti.com 84 Submit Document Feedback Copyright © 2026 Texas Instruments Incorporated Product Folder Links: MSPM33C321A MSPM33C3219 |
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