Cirrus Logic CS49DV8C - Manual (Page 23)

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Figure 11. External Memory Interface - SDRAM Burst Read 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