Pioneer DVH-335UB/XNRC Service Manual page 33

5
Check 6: Is SDRAM I/F OK?
<Outline> In order to secure the MPEG stream data as the buffer,
the capacity of communication I/F SDRAM between the LSI and the memory is 64Mbit.
Be careful as XCSM, XWE, XCAS and XRAS of IC1480 are called differently in IC1501,
namely NCSM, NWE, NCAS, NRAS.
IC
1480
SDRAM
5
6
MA0 - 11
MDQ0 - 15
MCK
XWE(NWE)
XCAS(NCAS)
XRAS(NRAS)
XCSM(NCSM)
DQM0
DQM1
BA0
BA1
Fig 6.1: SDRAM I/F
DVH-335UB/XNRC
6
7
IC1501
DV5U
7
8
A
B
C
D
E
F
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