AM3874 datasheet(118/361 Pages) TI

118 / 361 page

AM3874, AM3871

SPRS695C – SEPTEMBER 2011 – REVISED DECEMBER 2013

www.ti.com

Table 3-38. UART2 Terminal Functions

SIGNAL

TYPE(1)

OTHER(2) (3)

MUXED

DESCRIPTION

NAME

NO.

UART2

SD2_DAT[7]/

SD2, GPMC, GP1

GPMC_A[24]/

IPU

PINCNTL113

GPMC_A[20]/

L25

DVDD_GPMC

DSIS: 1

UART2_RXD/

MM: MUX3

GP1[19]

DCAN0, I2C[3],

DCAN0_RX/

GP1

UART2_RXD/

IPU

AG6

PINCNTL69

I2C[3]_SCL/

DVDD

DSIS: 1

GP1[1]

MM: MUX2

UART2 Receive Data Input. Functions as IrDA receive

input in IrDA modes and CIR receive input in CIR mode.

GP0

UART2_RXD/

IPD

PINCNTL59

GP0[29]

DVDD

DSIS: 1

MM: MUX1

VOUT[1],

VOUT[1]_B_CB_C[1]/

CAMERA_I/F,

CAM_HS/

IPD

GPMC, GP0

GPMC_A[9]/

AE23

DVDD_C

PINCNTL172

UART2_RXD/

DSIS: 1

GP0[26]

MM: MUX0

SD2_DAT[6]/

SD2, GPMC, GP1

GPMC_A[25]/

IPU

PINCNTL114

GPMC_A[21]/

N23

DVDD_GPMC

DSIS: PIN

UART2_TXD/

MM: MUX3

GP1[20]

DCAN0, I2C[3],

DCAN0_TX/

GP1

UART2_TXD/

IPU

AH6

PINCNTL68

I2C[3]_SDA/

DVDD

DSIS: PIN

GP1[0]

MM: MUX2

UART2 Transmit Data Output. Functions as CIR

transmit output in CIR mode.

GP0

UART2_TXD/

IPD

PINCNTL61

GP0[31]

DVDD

DSIS: PIN

MM: MUX1

VOUT[1],

VOUT[1]_B_CB_C[0]/

CAMERA_I/F,

CAM_VS/

IPU

GPMC, GP0

GPMC_A[10]/

AD23

DVDD_C

PINCNTL173

UART2_TXD/

DSIS: PIN

GP0[27]

MM: MUX0

VOUT[0]_FLD/

VOUT[0],

CAM_PCLK/

CAMERA_I/F,

UART2 Request to Send Output. Indicates module is

IPD

GPMC_A[12]/

AF18

GPMC, GP2

ready to receive data. Functions as transmit data output

DVDD_C

UART2_RTS/

PINCNTL175

in IrDA modes.

GP2[2]

DSIS: PIN

VOUT[1]_FLD/

VOUT[1],

CAM_FLD/

CAMERA_I/F,

CAM_WE/

IPD

UART2 Clear to Send Input. Functions as SD

AB23

I/O

GPMC, GP0

GPMC_A[11]/

DVDD_C

transceiver control output in IrDA and CIR modes.

PINCNTL174

UART2_CTS/

DSIS: 1

GP0[28]

(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 Section 4.5.1, Pullup/Pulldown Resistors and Section 7.3.17, Pin Behaviors at Reset.

(3)

Specifies the operating I/O supply voltage for each signal

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