TNETV2666FIBZWT datasheet(182/249 Pages) TI1

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Start

Bit

DataBits

UART_TXDn

UART_RXDn

DataBits

Bit

Start

TMS320C6424

SPRS347D – MARCH 2007 – REVISED DECEMBER 2009

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6.10.2 UART Electrical Data/Timing

Table 6-30. Timing Requirements for UARTx Receive(1) (see Figure 6-19)

-7/-6/-5/-4

-L/-Q6/-Q5/-Q4

NO.

UNIT

MIN

MAX

tw(URXDB)

Pulse duration, UART receive data bit (URXDx) [15/30/100 pF]

0.96U

1.05U

tw(URXSB)

Pulse duration, UART receive start bit [15/30/100 pF]

0.96U

1.05U

(1)

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

Table 6-31. Switching Characteristics Over Recommended Operating Conditions for UARTx Transmit(1)

(see Figure 6-19)

-7/-6/-5/-4

-L/-Q6/-Q5/-Q4

NO.

PARAMETER

UNIT

MIN

MAX

f(baud)

Maximum programmable baud rate

128

kHz

tw(UTXDB)

Pulse duration, UART transmit data bit (UTXDx) [15/30/100 pF]

U - 2

U + 2

tw(UTXSB)

Pulse duration, UART transmit start bit [15/30/100 pF]

U - 2

U + 2

(1)

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

Figure 6-19. UARTx Transmit/Receive Timing

182

Peripheral Information and Electrical Specifications

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