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• 32 outbound address translation regions

• Precision time measurement (PTM)

For more information, see Peripheral Component Interconnect Express (PCIe) Subsystem section in Peripherals

chapter in the device TRM.

8.4.2.18 Serializer/Deserializer (SerDes) PHY

Integrated in the MAIN domain is one instance of high-speed differential interface implemented with Serializer/

Deserializer (SerDes) Multi-protocol Multi-link PHY with the following main blocks:

• Single-lane SerDes PHY with common module for peripheral and Tx clocking handling

• Physical coding sub-block for data translation from/to the parallel interface, as well as data encoding/

decoding and symbol alignment

• MUX module for device interface multiplexing into a single SerDes lane (Tx and Rx)

• A wrapper for sending control and reporting status signals from the SerDes and muxes

For more information, see Serializer/Deserializer (SerDes) section in Peripherals chapter in the device TRM.

8.4.2.19 Real Time Interrupt (RTI/WWDT)

This section describes the Real Time Interrupt (RTI) modules with Windowed Watchdog Timer (WWDT)

functionality for the device.

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

TRM.

8.4.2.20 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 1-ms tick with 32768-Hz functional clock

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

8.4.2.21 UART

The UART module supports the following main features:

• 16C750 compatibility

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

• Auto-baud between 1200 bps and 115.2 Kbps

• 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

AM2434, AM2432, AM2431

SPRSP65D – APRIL 2021 – REVISED AUGUST 2022

www.ti.com

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