AM3874 datasheet(67/361 Pages) TI

67 / 361 page

AM3874, AM3871

www.ti.com

SPRS695C – SEPTEMBER 2011 – REVISED DECEMBER 2013

Table 3-11. GP1 Terminal Functions

SIGNAL

OTHER(2)

TYPE(1)

MUXED

DESCRIPTION

(3)

NAME

NO.

GPIO1

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

GPMC_WAIT[0]/

IPU

GPMC, EDMA

GPMC_A[26]/

W28

I/O

DVDD_GP

PINCNTL133

General-Purpose Input/Output (I/O) 1 [GP1] pin 31

EDMA_EVT0/

DSIS: PIN

GP1[31]

GPMC_BE[1]/

GPMC, EDMA,

GPMC_A[24]/

IPD

TIMER7

EDMA_EVT1/

V28

I/O

DVDD_GP

General-Purpose Input/Output (I/O) 1 [GP1] pin 30

PINCNTL132

TIM7_IO/

DSIS: PIN

GP1[30]

GPMC_BE[0]_CLE/

GPMC, EDMA,

GPMC_A[25]/

IPD

TIMER6

EDMA_EVT2/

U27

I/O

DVDD_GP

General-Purpose Input/Output (I/O) 1 [GP1] pin 29

PINCNTL131

TIM6_IO/

DSIS: PIN

GP1[29]

GPMC_ADV_ALE/

IPU

GPMC, TIMER5

GPMC_CS[6]/

M26

I/O

DVDD_GP

PINCNTL128

General-Purpose Input/Output (I/O) 1 [GP1] pin 28

TIM5_IO/

DSIS: PIN

GP1[28]

GPMC_CLK/

GPMC_CS[5]/

GPMC, CLKOUT1,

GPMC_WAIT[1]/

IPU

EDMA, TIMER4

CLKOUT1/

R26

I/O

DVDD_GP

General-Purpose Input/Output (I/O) 1 [GP1] pin 27

PINCNTL127

EDMA_EVT3/

DSIS: PIN

TIM4_IO/

GP1[27]

SPI[1]

SPI[1]_D[0]/

IPU

PINCNTL88

AA6

I/O

GP1[26]

DVDD

DSIS: PIN

MM: MUX1

General-Purpose Input/Output (I/O) 1 [GP1] pin 26

GPMC, VIN[1]B,

GPMC_CS[3]/

IPU

SPI[2]

VIN[1]B_CLK/

P26

I/O

DVDD_GP

PINCNTL125

SPI[2]_SCS[0]/

DSIS: PIN

GP1[26]

MM: MUX0

GPMC_CS[2]/

IPU

GPMC

GPMC_A[24]/

M25

I/O

DVDD_GP

PINCNTL124

General-Purpose Input/Output (I/O) 1 [GP1] pin 25

GP1[25]

DSIS: PIN

GPMC_CS[1]/

IPU

GPMC

GPMC_A[25]/

K28

I/O

DVDD_GP

PINCNTL123

General-Purpose Input/Output (I/O) 1 [GP1] pin 24

GP1[24]

DSIS: PIN

IPU

GPMC

GPMC_CS[0]/

T28

I/O

DVDD_GP

PINCNTL122

General-Purpose Input/Output (I/O) 1 [GP1] pin 23

GP1[23]

DSIS: PIN

SD2_DAT[4]/

GPMC_A[27]/

SD2, GPMC,

GPMC_A[23]/

IPU

EDMA, TIMER7

GPMC_CS[7]/

R24

I/O

DVDD_GP

General-Purpose Input/Output (I/O) 1 [GP1] pin 22

PINCNTL116

EDMA_EVT0/

DSIS: PIN

TIM7_IO/

GP1[22]

(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

Device Pins

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