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3.7.3.3 Host Block Muxing

TMS320DM6431

Digital Media Processor

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SPRS342C – NOVEMBER 2006 – REVISED JUNE 2008

This block of 27 pins consists of EMAC, MDIO, and GPIO muxed pins. The following register field selects

the pin functions in the Host Block:

• PINMUX1.HOSTBK

Table 3-21 summarizes the 27 pins in the Host Block, the multiplexed function on each pin, and the

PINMUX configurations to select the corresponding function.

Table 3-21. Host Block Muxed Pins Selection

MULTIPLEXED FUNCTIONS

SIGNAL NAME

EMAC/MDIO

GPIO

FUNCTION

SELECT

FUNCTION

SELECT

GP[57]

–

GP[57]

GP[58]

–

GP[58]

GP[59]

–

GP[59]

GP[60]

–

GP[60]

GP[61]

–

GP[61]

–(1)

GP[62]

–

GP[62]

GP[63]

–

GP[63]

GP[64]

–

GP[64]

GP[65]

–

GP[65]

GP[66]

–

GP[66]

MCOL/GP[67]

MCOL

GP[67]

MCRS/GP[68]

MCRS

GP[68]

MTXD3/GP[69]

MTXD3

GP[69]

MTXD2/GP[70]

MTXD2

GP[70]

MTXD1/GP[71]

MTXD1

GP[71]

MTXD0/GP[72]

MTXD0

GP[72]

MTXCLK/GP[73]

MTXCLK

GP[73]

MRXDV/GP[74]

MRXDV

GP[74]

MTXEN/GP[75]

MTXEN

HOSTBK = 100

GP[75]

HOSTBK = 000

MRXER/GP[76]

MRXER

GP[76]

MRXCLK/GP[77]

MRXCLK

GP[77]

MRXD0/GP[78]

MRXD0

GP[78]

MRXD1/GP[79]

MRXD1

GP[79]

MRXD2/GP[80]

MRXD2

GP[80]

MDCLK/GP[81]

MDCLK

GP[81]

MRXD3/GP[82]

MRXD3

GP[82]

MDIO/GP[83]

MDIO

GP[83]

(1)

GP[66:57] are standalone pins. They are not muxed with any other functions, but they are included in this table because they are

grouped in the Host Block.

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