AM3874 datasheet(113/361 Pages) TI

113 / 361 page

AM3874, AM3871

www.ti.com

SPRS695C – SEPTEMBER 2011 – REVISED DECEMBER 2013

3.2.19 Timer

Table 3-35. Timer Terminal Functions

SIGNAL

TYPE(1)

OTHER(2) (3)

MUXED

DESCRIPTION

NAME

NO.

Timers 8-1 and Watchdog Timer 0

Timer 8 and Timer1

There are no external pins for these timers.

Timers TCLKIN

GP0

TCLKIN/

IPD

PINCNTL60

Timer external clock input

GP0[30]

DVDD

DSIS: 0

Timer 7

GPMC_BE[1]/

GPMC, EDMA,

GPMC_A[24]/

GP1

IPD

EDMA_EVT1/

V28

I/O

PINCNTL132

DVDD_GPMC

TIM7_IO/

DSIS: PIN

GP1[30]

MM: MUX3

SD2_DAT4

GPMC_A[27]/

SD2, GPMC,

GPMC_A[23]/

EDMA, GP1

IPU

GPMC_CS[7]/

R24

I/O

PINCNTL116

DVDD_GPMC

EDMA_EVT0/

DSIS: PIN

TIM7_IO/

MM: MUX2

Timer 7 capture event input or PWM output

GP1[22]

VOUT[0]_AVID/

VOUT[0], SPI[3],

VOUT[0]_FLD/

GP2

IPD

SPI[3]_SCLK/

AA10

I/O

PINCNTL179

DVDD

TIM7_IO/

DSIS: PIN

GP2[21]

MM: MUX1

MCA[5], MCA[4],

MCA[5]_AXR[1]/

GP0

MCA[4]_AXR[3]/

IPD

I/O

PINCNTL58

TIM7_IO/

DVDD

DSIS: PIN

GP0[28]

MM: MUX0

Timer 6

GPMC_BE[0]_CLE/

GPMC, EDMA,

GPMC_A[25]/

GP1

IPD

EDMA_EVT2/

U27

I/O

PINCNTL131

DVDD_GPMC

TIM6_IO/

DSIS: PIN

GP1[29]

MM: MUX3

SD2_DAT[5]/

SD2, GPMC, GP1

GPMC_A[26]/

IPU

PINCNTL115

GPMC_A[22]/

P22

I/O

DVDD_GPMC

DSIS: PIN

TIM6_IO/

MM: MUX2

GP1[21]

Timer 6 capture event input or PWM output

VOUT[1]_AVID/

VOUT[1],

EMAC[1]_MRXER/

EMAC[1], VIN[1]A,

VIN[1]A_CLK/

IPD

UART4, GP2

Y22

I/O

UART4_RTS/

DVDD

PINCNTL207

TIM6_IO/

DSIS: PIN

GP2[31]

MM: MUX1

MCA[4], GP0

MCA[4]_AXR[1]/

IPD

PINCNTL54

TIM6_IO/

I/O

DVDD

DSIS: PIN

GP0[24]

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 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

113

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