AM3874 datasheet(61/361 Pages) TI

61 / 361 page

AM3874, AM3871

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SPRS695C – SEPTEMBER 2011 – REVISED DECEMBER 2013

Table 3-9. MDIO Terminal Functions

SIGNAL

TYPE(1)

OTHER(2) (3)

MUXED

DESCRIPTION

NAME

NO.

MDIO

GP1

MDCLK/

IPU

H28

PINCNTL233

Management Data Serial Clock output

GP1[11]

DVDD_GPMC

DSIS: N/A

GP1

MDIO/

IPU

P24

I/O

PINCNTL234

Management Data I/O

GP1[12]

DVDD_GPMC

DSIS: 1

(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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