SM320C6455-EP

FIXED-POINT DIGITAL SIGNAL PROCESSOR

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SPRS462B – SEPTEMBER 2007 – REVISED JANUARY 2008

Table 2-3. Terminal Functions (continued)

SIGNAL

 

TYPE(1)

NAME

NO.

 

DSDDQS3

E23

I/O/Z

DSDDQS2

E20

I/O/Z

DSDDQS1

E8

I/O/Z

DSDDQS0

E11

I/O/Z

DSDDQS3

D23

I/O/Z

DSDDQS2

D20

I/O/Z

DSDDQS1

D8

I/O/Z

DSDDQS0

D11

I/O/Z

IPD/IPU(2)

DESCRIPTION

 

DDR2 Memory Controller data strobe [3:0] positive

 

DDR2 data strobe [3:0] negative

 

Note: These pins are used to meet AC timings. For more detailed information,

 

see the Implementing DDR2 PCB Layout on the TMS320C6455 application

 

report (literature number SPRAAA7).

 

 

DDR2 MEMORY CONTROLLER (32 BIT) - ADDRESS

DEA13

B15

 

DEA12

A15

 

DEA11

A16

 

DEA10

B16

 

DEA9

C16

 

DEA8

D16

 

DEA7

B17

DDR2 Memory Controller external address

DEA6

O/Z

C17

 

DEA5

D17

 

DEA4

E17

 

DEA3

A18

 

DEA2

B18

 

DEA1

C18

 

DEA0

D18

 

38

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Texas Instruments SM320C6455-EP manual IPD/IPU2 Description, DDR2 Memory Controller 32 BIT Address