AM263P4 datasheet(139/154 Pages) TI

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6.11.5.15 Universal Asynchronous Receiver/Transmitter (UART)

For more details about features and additional description information on the device Universal Asynchronous

Receiver Transmitter, see the corresponding subsections within Signal Descriptions and Detailed Description

sections.

For more information, see Universal Asynchronous Receiver/Transmitter (UART) section in the device TRM.

6.11.5.15.1 UART Timing Conditions

PARAMETER

MIN

MAX

UNIT

INPUT CONDITIONS

SRI

Input Slew Rate

0.5

V/ns

OUTPUT CONDITIONS

Output Load Capacitance

6.11.5.15.2 UART Timing Requirements

NO.

PARAMETER

DESCRIPTION

MIN

MAX

UNIT

tw(RX)

Pulse width, receive data bit, high or low

0.95U(1)

1.05U(1)

tw(CTS)

Pulse width, receive start bit, high or low

0.95U(1)

(1)

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

6.11.5.15.3 UART Switching Characteristics

NO.

PARAMETER

DESCRIPTION

MODE

MIN

MAX

UNIT

f(baud)

Programmable baud rate

15 pF

Mbps

30 pF

0.115

tw(TX)

Pulse width, transmit data bit, high or low

U(1) – 2.2

U(1) + 2.2

tw(RTS)

Pulse width, transmit start bit, high or low

U(1) – 2.2

td(CTS-TX)

Delay time, receive CTS bit to transmit data

(1)

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

Figure 6-64. UART Timing Requirements and Switching Characteristics

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AM263P4, AM263P2, AM263P1, AM263P4-Q1, AM263P2-Q1, AM263P1-Q1

SPRSP81 – OCTOBER 2023

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