User Manual

DS705F2 26
CS4953xx Data Sheet
32-bit Audio Decoder DSP Family
Figure 15. External Memory Interface - SDRAM Burst Read Cycle
Figure 16. External Memory Interface - SDRAM Burst Write Cycle
SD_CLKOUT
SD_CS
SD_RAS
SD_CAS
SD_WE
SD_DQMn
SD_An
SD_Dn
t
sddsu
t
sdclkrf
t
sdcmdv
t
sdav
t
sddqv
t
sdcmdh
t
sddh
t
sddqh
CAS=2
LSP0 MSP0
LSP3 MSP3
SD_CLKIN
t
sdclkl
t
sdclkh
00
11
LSP1 MSP1 LSP2 MSP2
SD_CLKOUT
SD_CS
SD_RAS
SD_CAS
SD_WE
t
sdcmdv
t
sdcmdh
SD_Dn
LSP0 MSP0 LSP1 MSP1 LSP2 MSP2 LSP3 MSP3
SD_An
SD_DQMn
t
sddqh
00 11
t
sddqv
t
sdav