AM6441...ALV datasheet(210/244 Pages) TI

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Table 7-146. UART Switching Characteristics

see Figure 7-115

NO.

PARAMETER

DESCRIPTION

MODE

MIN

MAX

UNIT

f(baud)

Programmable baud rate

15 pF

TDB

Mbps

30 pF

0.115

Mbps

td(CTS-TX)

Delay time, CTS bit to transmit data

tw(TX)

Pulse width, transmit data bit, high or low

U - 2.2

(1)

U + 2.2

(1)

tw(RTS)

Pulse width, transmit start bit, high or low

U - 2.2

(1)

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

Figure 7-115. UART Timing Requirements and Switching Characteristics

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

in the device TRM.

7.10.5.19 USB

The USB 2.0 subsystem is compliant with the Universal Serial Bus (USB) Specification, revision 2.0. Refer to the

specification for timing details.

The USB 3.1 GEN1 subsystem is compliant with the Universal Serial Bus (USB) 3.1 Specification, revision 1.0.

Refer to the specification for timing details.

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

Subsystem (USB), see the corresponding subsections within Signal Descriptions and Detailed Description

sections.

7.10.6 Emulation and Debug

For more details about features and additional description information on the device Trace and JTAG interfaces,

see the corresponding subsections within Signal Descriptions and Detailed Description sections.

7.10.6.1 Trace

Table 7-147. Trace Timing Conditions

PARAMETER

MIN

MAX

UNIT

OUTPUT CONDITIONS

Output load capacitance

PCB CONNECTIVITY REQUIREMENTS

AM6442, AM6441, AM6421, AM6412, AM6411

SPRSP56D – JANUARY 2021 – REVISED JULY 2022

www.ti.com

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