AM3874 datasheet(95/361 Pages) TI

95 / 361 page

AM3874, AM3871

www.ti.com

SPRS695C – SEPTEMBER 2011 – REVISED DECEMBER 2013

Table 3-21. McASP4 Terminal Functions

SIGNAL

TYPE(1)

OTHER(2) (3)

MUXED

DESCRIPTION

NAME

NO.

McASP4

GP0

MCA[4]_ACLKX/

IPD

I/O

PINCNTL51

McASP4 Transmit Bit Clock I/O

GP0[21]

DVDD

DSIS: 0

AUD_CLKIN1/

AUD_CLKIN1,

MCA[0]_AXR[8]/

MCA[0], MCA[1],

MCA[1]_AHCLKX/

IPD

EDMA, TIMER2,

MCA[4]_AHCLKX/

I/O

McASP4 Transmit High-Frequency Master Clock I/O

DVDD

GP0

EDMA_EVT3/

PINCNTL15

TIM2_IO/

DSIS: PIN

GP0[8]

GP0

MCA[4]_AFSX/

IPD

I/O

PINCNTL52

McASP4 Transmit Frame Sync I/O

GP0[22]

DVDD

DSIS: 0

MCA[5]_AXR[1]/

MCA[5], TIMER7,

MCA[4]_AXR[3]/

IPD

GP0

I/O

TIM7_IO/

DVDD

PINCNTL58

GP0[28]

DSIS: PIN

MCA[5]_AXR[0]/

MCA[5], GP0

IPD

MCA[4]_AXR[2]/

I/O

PINCNTL57

DVDD

GP0[27]

DSIS: PIN

McASP4 Transmit/Receive Data I/Os

MCA[4]_AXR[1]/

TIMER6, GP0

IPD

TIM6_IO/

I/O

PINCNTL54

DVDD

GP0[24]

DSIS: PIN

GP0

MCA[4]_AXR[0]/

IPD

I/O

PINCNTL53

GP0[23]

DVDD

DSIS: PIN

(1)

I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal

(2)

IPD = Internal Pulldown Active, IPU = Internal Pullup Active, DIS = Internal Pull Disabled. This represents the default state of the

Internal Pull during and 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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