AM3871 datasheet(56/345 Pages) TI1

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AM3874, AM3872, AM3871

SPRS695

– SEPTEMBER 2011

www.ti.com

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

SIGNAL

TYPE(1)

OTHER(2) (3)

MUXED

DESCRIPTION

NAME

NO.

EMAC[0]_MTXD[7]/

EMAC[0],

EMAC[1]_RGTXD[3]/

IPD

GPMC, UART1

EMAC[1]_RMTXD[1]/

H24

DVDD_GPMC

PINCNTL257

GPMC_A[14]/

DSIS: N/A

UART1_CTS

EMAC[0]_MTXD[4]/

EMAC[0],

EMAC[1]_RGTXD[2]/

IPD

GPMC, UART4

EMAC[1]_RMRXER/

G23

DVDD_GPMC

PINCNTL254

GPMC_A[11]/

DSIS: N/A

UART4_RTS

RGMII Transmit Data [3:0]

EMAC[0]_MTXD[1]/

EMAC[0],

EMAC[1]_RGTXD[1]/

IPD

GPMC, UART4

H25

GPMC_A[8]/

DVDD_GPMC

PINCNTL251

UART4_RXD

DSIS: N/A

EMAC[0]_MTXD[3]/

EMAC[0],

EMAC[1]_RGTXD[0]/

EMAC[1],

IPD

EMAC[1]_RMRXD[1]/

H23

GPMC, UART4

DVDD_GPMC

GPMC_A[10]/

PINCNTL253

UART4_CTS

DSIS: N/A

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

(3)

Specifies the operating I/O supply voltage for each signal

Device Pins

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