AM261...ZFG datasheet(176/218 Pages) TI2

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6.11.5.14.5 PRU-ICSS Universal Asynchronous Receiver Transmitter (UART)

6.11.5.14.5.1 PRU-ICSS UART Timing Conditions

PARAMETER

MIN

MAX

UNIT

INPUT CONDITIONS

SRI

Input Slew Rate

0.01

0.33

V/ns

OUTPUT CONDITIONS

Output Load Capacitance

6.11.5.14.5.2 PRU-ICSS UART Timing Requirements

NO.

PARAMETER

DESCRIPTION

MIN

MAX

UNIT

PRUR1H

tw(RXH)

Pulse duration, Receive start, stop, data bit High

U(1)

PRUR1L

tw(RXL)

Pulse duration, Receive start, stop, data bit Low

–2 + U(1)

(1)

U = UART baud time = 1/programmed baud rate.

6.11.5.14.5.3 PRU-ICSS UART Switching Characteristics

NO.

PARAMETER

DESCRIPTION

MIN

MAX

UNIT

PRUR2

f(baud)

Maximum programmable baud rate

U(1)

PRUR3H

tw(TXH)

Pulse duration, Transmit start, stop, data bit

High

–2 + U(1)

(1)

U = UART baud time = 1/programmed baud rate.

PRUR3L

Start

Bit

Data Bits

PRG _UART0_TXD

PRU_UART_TIMING_01

PRUR3H

PRUR1L

Data Bits

Bit

Start

PRG _UART0_RXD

PRUR1H

(1)

(1) i in PRG _UART0_RXD and PRG _UART0_TXD = 0, 1 or 2

Figure 6-78. PRU-ICSS UART Timing Requirements and Switching Characteristics

AM2612, AM2611, AM2611-Q1, AM2612-Q1

SPRSPA7C – SEPTEMBER 2024 – REVISED JULY 2025

www.ti.com

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