AM3871 datasheet(82/345 Pages) TI1

82 / 345 page

AM3874, AM3872, AM3871

SPRS695

– SEPTEMBER 2011

www.ti.com

3.2.10 I2C

Table 3-16. I2C Terminal Functions

SIGNAL

TYPE(1)

OTHER(2) (3)

MUXED

DESCRIPTION

NAME

NO.

I2C[0]

–

I2C[0] Clock I/O. For proper device operation,

I2C[0]_SCL

AC4

I/O

DVDD

PINCNTL263

this pin must be pulled up via external resistor.

–

I2C[0] Data I/O. For proper device operation,

I2C[0]_SDA

AB6

I/O

DVDD

PINCNTL264

this pin must be pulled up via external resistor.

I2C[1]

HDMI

I2C[1] Clock I/O. For proper device operation in

I2C[1]_SCL/

AF24

I/O

DVDD

PINCNTL78

I2C mode, this pin must be pulled up via

HDMI_SCL

DSIS: 1

external resistor.

HDMI

I2C[1] Data I/O. For proper device operation in

I2C[1]_SDA/

AG24

I/O

DVDD

PINCNTL79

I2C mode, this pin must be pulled up via

HDMI_SDA

DSIS: 1

external resistor.

I2C[2]

VIN[0]A_FLD/

VIN[0]A, VIN[0]B,UART5,

VIN[0]B_VSYNC/

GP2

IPU

UART5_RXD/

AA20

I/O

PINCNTL136

DVDD

I2C[2]_SCL/

DSIS: 1

GP2[1]

MM: MUX3

VOUT[1]_G_Y_YC[2]/

GPMC_A[13]/

VOUT[1], GPMC, VIN[1]A,

VIN[1]A_D[21]/

HDMI, SPI[2], GP3

IPU

HDMI_SCL/

AF27

I/O

PINCNTL228

DVDD

SPI[2]_SCS[2]/

DSIS: 1

I2C[2] Clock I/O. For proper device operation in

I2C[2]_SCL/

MM: MUX2

I2C mode, this pin must be pulled up via

GP3[20]

external resistor.

VIN[0]A_D[16]/

VIN[0]A, CAM I/F, GP0

CAM_D[8]/

IPU

PINCNTL156

AA21

I/O

I2C[2]_SCL/

DVDD_C

DSIS: 1

GP0[10]

MM: MUX1

UART0_DCD/

UART0, UART3, SPI[0],

UART3_RXD/

SD1, GP1

SPI[0]_SCS[3]/

IPU

AH4

I/O

PINCNTL74

I2C[2]_SCL/

DVDD

DSIS: 1

SD1_POW/

MM: MUX0

GP1[2]

(1)

I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal, MM = Multi Muxed, DSIS =

De-selected Input State

(2)

IPD = Internal Pulldown Active, IPU = Internal Pullup Active, DIS = Internal Pull Disabled. This represents the default state of the

Internal Pull after Reset. For more detailed information on pullup/pulldown resistors and situations where external pullup/pulldown

resistors are required, see , Pullup/Pulldown Resistors and the , Pin Behaviors at Reset.

(3)

Specifies the operating I/O supply voltage for each signal

Device Pins

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