AM2431BSDGHIALVR. datasheet(248/282 Pages) TI2

248 / 282 page

For more information, see Real Time Interrupt (RTI/WWDT) Module section in Peripherals chapter of the device

TRM.

7.4.2.20 Dual Mode Timer (DMTIMER)

The Dual Mode Timer (DMTIMER) module supports the following main features:

• Interrupts generated on overflow, compare, and capture events

• Free running 32-bit upward counter

• Supported operating modes:

– Compare and capture modes

– Auto-reload mode

– Start-stop mode

• Programmable divider clock source (2n with n=[0:8])

• Dedicated input trigger for capture mode, and dedicated output trigger/PWM (pulse width modulation) signal

• On the fly read/write register (while counting)

• Generate 1ms tick with 32768Hz functional clock

For more information, see Timers section in Peripherals chapter in the device TRM.

7.4.2.21 UART

The UART module supports the following main features:

• 16C750 compatibility

• Baud rate from 300bps up to 12Mbps (MCU_UART0 and MCU_UART1 limited to 3.7Mbps)

• Auto-baud between 1200bps and 115.2Kbps

• Software/hardware flow control

– Programmable Xon/Xoff characters

– Programmable Auto-RTS and Auto CTS

• Programmable serial interface characteristics

– 5-, 6-, 7-, 8-bit characters

– Even, odd, mark (always 1), space (always 0), or no parity (non-parity bit frame) bit generation and

detection

– 1-, 1.5-, or 2-stop bit generation

• Optional multi-drop transmission

• Configurable time-guard feature

• False start bit detection

• Line break generation and detection

• Modem control functions on UART0 (CTS, RTS, DSR, DTR, RI, and DCD)

• Fully prioritized interrupt system controls

• Internal test and loopback capabilities

• RS-485 External transceiver auto flow control support

For more information, see Universal Synchronous/Asynchronous Receiver/Transmitter (UART) section in

Peripherals chapter in the device TRM.

7.4.2.22 Universal Serial Bus Subsystem (USBSS)

The Universal Serial Bus Subsystem (USBSS) module supports the following main features:

General USB interface:

• Compliant with USB 3.1 specification

• Compliant with xHCI 1.1 specification

• Port configurable as:

– USB host:

• SuperSpeed Gen 1 (5Gbps)

• High-speed (480Mbps)

AM2434, AM2432, AM2431

SPRSP65J – APRIL 2021 – REVISED JUNE 2026

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