SPEAR320S-2 datasheet(54/113 Pages) STMICROELECTRONICS

54 / 113 page

Pin description

SPEAr320S

54/113

Doc ID 022508 Rev 2

UART1_RTS

UART1 request to send modem status

output

PL_GPIO_43/E9

3, Extended

PL_GPIO_31/C7

4, Extended

PL_GPIO_80/D16

Extended mode

PL_GPIO_2/E4

UART1_RX

UART1 received serial data input

PL_GPIO_28/A6

1, 2, 3, 4, Extended

UART1_TX

UART1 transmitted serial data output

PL_GPIO_29/A7

1, 2, 3, 4, Extended

UART2

UART2_RX

UART2 received serial data input

PL_GPIO_0/F3

1, 2, 3, 4, Extended

UART2_TX

UART2 transmitted serial data output

PL_GPIO_1/E3

1, 2, 3, 4, Extended

UART3

UART3_RX

UART3 received serial data input

PL_GPIO_15/B3

2, Extended

PL_GPIO_8/C2

PL_GPIO_41/C9

3, Extended

PL_GPIO_94/H13

4, Extended

PL_GPIO_73/A17

Extended mode

PL_GPIO_52/B12

PL_CLK2/J17

UART3_TX

UART3 transmitted serial data output

PL_GPIO_16/E6

2, Extended

PL_GPIO_9/B2

PL_GPIO_42/D9

3, Extended

PL_GPIO_95/H14

4, Extended

PL_GPIO_74/C16

Extended mode

PL_GPIO_53/D11

PL_CLK1/K17

UART4

UART4_RX

UART4 received serial data input

PL_GPIO_13/A1

2, Extended

PL_GPIO_6/B1

PL_GPIO_39/A9

3, Extended

PL_GPIO_92/G16

4, Extended

PL_GPIO_71/D14

Extended mode

PL_CLK4/H17

Table 21.

UART signals description (continued)

Signal name

Description

Dir.

PL_GPIO_# /Ball

Configuration

mode

SPEAR320S-2 Datasheet(PDF) 54 Page - STMicroelectronics

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