Car Stereo System - Car Radio Digital Signal Processor User Manual

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SM320C6455-EP
FIXED-POINT DIGITAL SIGNAL PROCESSOR
SPRS462B – SEPTEMBER 2007 – REVISED JANUARY 2008
Table 2-3. Terminal Functions (continued)
SIGNAL
TYPE
(1)
IPD/IPU
(2)
DESCRIPTION
NAME NO.
DSDDQS3 E23 I/O/Z
DSDDQS2 E20 I/O/Z
DDR2 Memory Controller data strobe [3:0] positive
DSDDQS1 E8 I/O/Z
DSDDQS0 E11 I/O/Z
DSDDQS3 D23 I/O/Z
DDR2 data strobe [3:0] negative
DSDDQS2 D20 I/O/Z
Note: These pins are used to meet AC timings. For more detailed information,
DSDDQS1 D8 I/O/Z
see the Implementing DDR2 PCB Layout on the TMS320C6455 application
report (literature number SPRAAA7 ).
DSDDQS0 D11 I/O/Z
DDR2 MEMORY CONTROLLER (32 BIT) - ADDRESS
DEA13 B15
DEA12 A15
DEA11 A16
DEA10 B16
DEA9 C16
DEA8 D16
DEA7 B17
O/Z DDR2 Memory Controller external address
DEA6 C17
DEA5 D17
DEA4 E17
DEA3 A18
DEA2 B18
DEA1 C18
DEA0 D18
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