AM3871 datasheet(57/345 Pages) TI1

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SPRS695

– SEPTEMBER 2011

3.2.7

General-Purpose Input/Outputs (GPIOs)

Table 3-10. GP0 Terminal Functions

SIGNAL

TYPE(1)

OTHER(2) (3)

MUXED

DESCRIPTION

NAME

NO.

GPIO0

Note: General-Purpose Input/Output (I/O) pins can also serve as external interrupt inputs.

UART2

UART2_TXD/

IPD

I/O

PINCNTL61

General-Purpose Input/Output (I/O) 0 [GP0] pin 31.

GP0[31]

DVDD

DSIS: PIN

TCLKIN

TCLKIN/

IPD

I/O

PINCNTL60

General-Purpose Input/Output (I/O) 0 [GP0] pin 30.

GP0[30]

DVDD

DSIS: PIN

UART2

UART2_RXD/

IPD

I/O

PINCNTL59

General-Purpose Input/Output (I/O) 0 [GP0] pin 29.

GP0[29]

DVDD

DSIS: PIN

MCA[5], MCA[4],

MCA[5]_AXR[1]/

TIMER7

MCA[4]_AXR[3]/

IPD

I/O

PINCNTL58

TIM7_IO/

DVDD

DSIS: PIN

GP0[28]

MM: MUX1

General-Purpose Input/Output (I/O) 0 [GP0] pin 28.

VOUT[1]_FLD/

VOUT[1],

CAM_FLD/

CAMERA_I/F,

CAM_WE/

IPD

GPMC, UART2

AB23

I/O

GPMC_A[11]/

DVDD_C

PINCNTL174

UART2_CTS/

DSIS: PIN

GP0[28]

MM: MUX0

MCA[5], MCA[4]

MCA[5]_AXR[0]/

IPD

PINCNTL57

MCA[4]_AXR[2]/

I/O

DVDD

DSIS: PIN

GP0[27]

MM: MUX1

VOUT[1],

General-Purpose Input/Output (I/O) 0 [GP0] pin 27.

VOUT[1]_B_CB_C[0]/

CAMERA_I/F,

CAM_VS/

IPU

GPMC, UART2

GPMC_A[10]/

AD23

I/O

DVDD_C

PINCNTL173

UART2_TXD/

DSIS: PIN

GP0[27]

MM: MUX0

MCA[5]

MCA[5]_AFSX/

IPD

PINCNTL56

I/O

GP0[26]

DVDD

DSIS: PIN

MM: MUX1

VOUT[1],

General-Purpose Input/Output (I/O) 0 [GP0] pin 26.

VOUT[1]_B_CB_C[1]/

CAMERA_I/F,

CAM_HS/

IPD

GPMC, UART2

GPMC_A[9]/

AE23

I/O

DVDD_C

PINCNTL172

UART2_RXD/

DSIS: PIN

GP0[26]

MM: MUX0

MCA[5]

MCA[5]_ACLKX/

IPD

PINCNTL55

I/O

GP0[25]

DVDD

DSIS: PIN

MM: MUX1

VOUT[1],

General-Purpose Input/Output (I/O) 0 [GP0] pin 25.

VOUT[1]_R_CR[0]/

CAMERA_I/F,

CAM_D[0]/

IPD

GPMC, UART4

GPMC_A[8]/

AA22

I/O

DVDD_C

PINCNTL171

UART4_RTS/

DSIS: PIN

GP0[25]

MM: MUX0

(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 , Pin Behaviors at Reset.

(3)

Specifies the operating I/O supply voltage for each signal

Device Pins

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