TNETV1644ZDU6 datasheet(50/306 Pages) TI1

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TMS320DM6437

Digital Media Processor

SPRS345D – NOVEMBER 2006 – REVISED JUNE 2008

www.ti.com

Table 2-18. Host-Port Interface Terminal Functions (continued)

SIGNAL

TYPE(1)

OTHER(2)(3)

DESCRIPTION

ZWT

ZDU

NAME

NO.

HDS1/MRXD1/

IPU

This pin is multiplexed between HPI, EMAC, PCI, and GPIO.

I/O/Z

AD7/GP[79]

DVDD33

In HPI mode, this pin is host data strobe input 1 HDS1 (I).

This pin is multiplexed between HPI, EMAC, PCI, and GPIO.

HRDY/MRXD2/

IPU

I/O/Z

In HPI mode, this pin is host ready output from DSP to host

PCBE0/GP[80]

DVDD33

(O/Z).

This pin is multiplexed between HPI, MDIO, PCI, and GPIO.

HCS/MDCLK/

IPU

I/O/Z

In HPI mode, this pin is HPI active low chip select input HCS

AD5/GP[81]

DVDD33

(I).

HINT/RXD3/

IPU

This pin is multiplexed between HPI, EMAC, PCI, and GPIO.

I/O/Z

AD6/GP[82]

DVDD33

In HPI mode, this pin is host interrupt output HINT (O/Z).

This pin is multiplexed between HPI, MDIO, PCI, and GPIO.

HAS/MDIO/

IPU

In HPI mode, this pin is host address strobe HAS (I).

I/O/Z

AD3/GP[83]

DVDD33

For proper HPI operation, if this pin is routed out, it must be

pulled up via an external resistor.

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