TX53

PIN

Type

Function

i.MX53 Pad Name

Alternate functions

GPIO

Description (refer to i.MX53 manuals for details)

91

3V3

SSI2_TXD

CSI0_DAT5

CSI0_D[5]

KPP_ROW[5]

ECSPI1_MOSI

USBOH3_USBH3_NXT

AUD3_TXD

GPIO5[23] Serial Audio Interface serial data line 0

92

3V3

SSI2_CLK

CSI0_DAT4

CSI0_D[4]

KPP_COL[5]

ECSPI1_SCLK

USBOH3_USBH3_STP

AUD3_TXC

GPIO5[22] Serial Audio Interface serial bit clock

93

3V3

SSI2_FS

CSI0_DAT6

CSI0_D[6]

KPP_COL[6]

ECSPI1_MISO

USBOH3_USBH3_CLK

AUD3_TXFS

GPIO5[24] Serial Audio Interface left/right clock

94

GND

GND

Secure Digital Interface 2

95

3V3

SD2_CD

EIM_D25

WEIM_D[25]

UART3_RXD

ECSPI1_SS3

CSPI_SS3

AUD5_RXC

ECSPI2_SS3

UART1_DSR

GPIO3[25]

SD Card Detect – connected to a GPIO

96

3V3

SD2_D[0]

SD2_DATA0

ESDHC2_DAT0

KPP_ROW[7]

AUD4_RXD

CSPI_MISO

RTIC_RTIC_DONE_INT

GPIO1[15]

SD Data bidirectional signals—If the system designer does not

want to make use of the internal pull-up, via the Pull-up enable

register, a 50 K–69 K external pull up resistor must be added.

97

3V3

SD2_D[1]

SD2_DATA1

ESDHC2_DAT1

KPP_COL[7]

AUD4_TXFS

CSPI_SS0

RTIC_RTIC_SEC_VIO

GPIO1[14]

98

3V3

SD2_D[2]

SD2_DATA2

ESDHC2_DAT2

KPP_ROW[6]

AUD4_TXD

CSPI_SS1

SJC_FAIL

GPIO1[13]

99

3V3

SD2_D[3]

SD2_DATA3

ESDHC2_DAT3

KPP_COL[6]

AUD4_TXC

CSPI_SS2

SJC_DONE

GPIO1[12]

100

3V3

SD2_CMD

SD2_CMD

ESDHC2_CMD

KPP_ROW[5]

AUD4_RXC

CSPI_MOSI

SCC_RANDOM

GPIO1[11]

SD Command bidirectional signal

101

3V3

SD2_CLK

SD2_CLK

ESDHC2_CLK

KPP_COL[5]

AUD4_RXFS

CSPI_SCLK

SCC_RANDOM_V

GPIO1[10]

SD Output Clock.

102

GND

GND

CMOS Sensor Interface

103

3V3

CSI0_DAT12

CSI0_DAT12

CSI0_D[12]

UART4_TXD

USBOH3_USBH3_DATA[0]

GPIO5[30]

104

3V3

CSI0_DAT13

CSI0_DAT13

CSI0_D[13]

UART4_RXD

USBOH3_USBH3_DATA[1]

GPIO5[31]

105

3V3

CSI0_DAT14

CSI0_DAT14

CSI0_D[14]

UART5_TXD

USBOH3_USBH3_DATA[2]

GPIO6[0]

106

3V3

CSI0_DAT15

CSI0_DAT15

CSI0_D[15]

UART5_RXD

USBOH3_USBH3_DATA[3]

GPIO6[1]

107

3V3

CSI0_DAT16

CSI0_DAT16

CSI0_D[16]

UART4_RTS

USBOH3_USBH3_DATA[4]

GPIO6[2]

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