AM3871 datasheet(51/345 Pages) TI1

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AM3874, AM3872, AM3871

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SPRS695

– SEPTEMBER 2011

Table 3-8. EMAC[1] Terminal Functions [(R)(G)MII]

SIGNAL

TYPE(1)

OTHER(2) (3)

MUXED

DESCRIPTION

NAME

NO.

EMAC[1] (G)MII Mode

TBD

These pin functions are available only when GMII and MII modes are selected.

VOUT[1]_HSYNC/

VOUT[1],

EMAC[1]_MCOL/

VIN[1]A, SPI[3],

VIN[1]A_VSYNC/

IPD

AC24

UART3, GP2

[G]MII Collision Detect (Sense) input

SPI[3]_D[1]/

DVDD

PINCNTL205

UART3_RTS/

DSIS: 0

GP2[29]

VOUT[1]_VSYNC/

EMAC[1]_MCRS/

VOUT[1],

VIN[1]A_FLD/

VIN[1]A, SPI[3],

IPD

VIN[1]A_DE/

AA23

UART3, GP2

[G]MII Carrier Sense input

DVDD

SPI[3]_D[0]/

PINCNTL206

UART3_CTS/

DSIS: 0

GP2[30]

VOUT[1]_G_Y_YC[6]/

VOUT[1],

EMAC[1]_GMTCLK/

IPD

VIN[1]A, GP3

AH27

GMII Source Asynchronous Transmit Clock

VIN[1]A_D[11]/

DVDD

PINCNTL218

GP3[10]

DSIS: N/A

VOUT[1]_B_CB_C[3]/

VOUT[1],

EMAC[1]_MRCLK/

VIN[1]A,

IPD

VIN[1]A_D[0]/

AH25

UART4, GP3

[G]MII Receive Clock

DVDD

UART4_CTS/

PINCNTL208

GP3[0]

DSIS: 0

(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 , Pullup/Pulldown Resistors and the , Pin Behaviors at Reset.

(3)

Specifies the operating I/O supply voltage for each signal

Device Pins

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