AM3874 datasheet(70/361 Pages) TI

70 / 361 page

AM3874, AM3871

SPRS695C – SEPTEMBER 2011 – REVISED DECEMBER 2013

www.ti.com

Table 3-11. GP1 Terminal Functions (continued)

SIGNAL

OTHER(2)

TYPE(1)

MUXED

DESCRIPTION

(3)

NAME

NO.

GPMC, SD2

GPMC_CS[4]/

IPU

PINCNTL126

SD2_CMD/

P25

I/O

DVDD_GP

General-Purpose Input/Output (I/O) 1 [GP1] pin 8

DSIS: PIN

GP1[8]

MM: MUX0

General-Purpose Input/Output (I/O) 1 [GP1] pin 7

The ENLVCMOS bit in the MLBP_DAT_IO_CTRL register

should be set to 1 to enable GPIO LVCMOS mode. The

PINCNTL62

ENP bit in the MLBP_DAT_IO_CTRL register should also

IPD

GP1[7]

I/O

DSIS: PIN

be set to 1 to enable the GPIO LVCMOS receiver. The

DVDD_M

MM: MUX1

internal Pullup/Pulldown is always disabled, regardless of

the state of the PULLUDEN bit in the PINCNTL62 register.

An external Pullup/Pulldown can be used to control the

floating state of this pin.

DEVOSC, SPI[1],

DEVOSC_WAKE/

TIMER5

SPI[1]_SCS[1]/

IPU

I/O

PINCNTL7

General-Purpose Input/Output (I/O) 1 [GP1] pin 7

TIM5_IO/

DVDD_SD

DSIS: PIN

GP1[7]

MM: MUX0

SPI[0]_SCS[1]/

SD1_SDCD/

SPI[0], SD1, SATA,

SATA_ACT0_LED/

IPU

EDMA, TIMER4

AE5

I/O

General-Purpose Input/Output (I/O) 1 [GP1] pin 6

EDMA_EVT1/

DVDD

PINCNTL80

TIM4_IO/

DSIS: PIN

GP1[6]

UART0_RIN/

UART0, UART3,

UART3_RTS/

IPU

UART1

AF4

I/O

General-Purpose Input/Output (I/O) 1 [GP1] pin 5

UART1_RXD/

DVDD

PINCNTL77

GP1[5]

DSIS: PIN

UART0_DTR/

UART0, UART3,

UART3_CTS/

IPU

UART1

AG2

I/O

General-Purpose Input/Output (I/O) 1 [GP1] pin 4

UART1_TXD/

DVDD

PINCNTL76

GP1[4]

DSIS: PIN

UART0_DSR/

UART3_TXD/

UART0, UART3,

SPI[0]_SCS[2]/

IPU

SPI[0], I2C[2], SD1

AG4

I/O

General-Purpose Input/Output (I/O) 1 [GP1] pin 3

I2C[2]_SDA/

DVDD

PINCNTL75

SD1_SDWP/

DSIS: PIN

GP1[3]

UART0_DCD/

UART3_RXD/

UART0, UART3,

SPI[0]_SCS[3]/

IPU

SPI[0], I2C[2], SD1

AH4

I/O

General-Purpose Input/Output (I/O) 1 [GP1] pin 2

I2C[2]_SCL/

DVDD

PINCNTL74

SD1_POW/

DSIS: PIN

GP1[2]

DCAN0_RX/

DCAN0, UART2,

UART2_RXD/

IPU

I2C[3]

AG6

I/O

General-Purpose Input/Output (I/O) 1 [GP1] pin 1

I2C[3]_SCL/

DVDD

PINCNTL69

GP1[1]

DSIS: PIN

DCAN0_TX/

DCAN0, UART2,

UART2_TXD/

IPU

I2C[3]

AH6

I/O

General-Purpose Input/Output (I/O) 1 [GP1] pin 0

I2C[3]_SDA/

DVDD

PINCNTL68

GP1[0]

DSIS: PIN

Device Pins

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