TMS320DM6435 datasheet(39/252 Pages) TI1

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TMS320DM6435

Digital Media Processor

www.ti.com

SPRS344C – NOVEMBER 2006 – REVISED JUNE 2008

Table 2-15. Host-Port Interface Terminal Functions

SIGNAL

TYPE(1)

OTHER(2)(3)

DESCRIPTION

ZWT

ZDU

NAME

NO.

Host-Port Interface (HPI)

HD0/VLYNQ_SCRUN/

IPU

GP[58]

DVDD33

HD1/VLYNQ_RXD0/

GP[59]

HD2/VLYNQ_RXD1/

GP[60]

HD3/VLYNQ_RXD2/

GP[61]

HD4/VLYNQ_RXD3/

GP[62]

HD5/VLYNQ_TXD0/

GP[63]

HD6/VLYNQ_TXD1/

GP[64]

This pin is multiplexed between HPI, VLYNQ or EMAC, and

HD7/VLYNQ_TXD2/

GPIO.

GP[65]

I/O/Z

In HPI mode, these pins are host-port data pins HD[15:0]

HD8/VLYNQ_TXD3/

IPD

(I/O/Z) and are multiplexed internally with the HPI address

GP[66]

DVDD33

lines.

HD9/MCOL/

GP[67]

HD10/MCRS/

GP[68]

HD11/MTXD3/

GP[69]

HD12/MTXD2/

GP[70]

HD13/MTXD1/

GP[71]

HD14/MTXD0/

GP[72]

HD15/MTXCLK/

GP[73]

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

HHWIL/MRXDV/

IPD

I/O/Z

In HPI mode, this pin is half-word identification input HHWIL

GP[74]

DVDD33

(I).

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

In HPI mode, this pin is control input 1 HCNTL1 (I). The state

HCNTL1/MTXEN/

IPD

I/O/Z

of HCNTL1 and HCNTL0 determines if address, data, or

GP[75]

DVDD33

control information is being transmitted between an external

host and the DM6435.

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

In HPI mode, this pin is control input 0 HCNTL0 (I). The state

HCNTL0/MRXER/

IPD

I/O/Z

of HCNTL1 and HCNTL0 determines if address, data, or

GP[76]

DVDD33

control information is being transmitted between an external

host and the DM6435.

HR/W/MRXCLK/

IPD

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

I/O/Z

GP[77]

DVDD33

In HPI mode, this pin is host read or write select HR/W(I).

HDS2/MRXD0/

IPU

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

I/O/Z

GP[78]

DVDD33

In HPI mode, this pin is host data strobe input 2 HDS2 (I).

HDS1/MRXD1/

IPU

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

I/O/Z

GP[79]

DVDD33

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

(1)

I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal

(2)

IPD = Internal pulldown, IPU = Internal pullup. For more detailed information on pullup/pulldown resistors and situations where external

pullup/pulldown resistors are required, see Section 3.9.1, Pullup/Pulldown Resistors.

(3)

Specifies the operating I/O supply voltage for each signal

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