User Manual

CS4953xx Data Sheet
32-bit Audio Decoder DSP Family
DS705F2 27
Figure 17. External Memory Interface - SDRAM Auto Refresh Cycle
Figure 18. External Memory Interface - SDRAM Load Mode Register Cycle
SD_CLKOUT
SD_CS
SD_RAS
SD_CAS
SD_WE
SD_DQMn
SD_An
SD_Dn
t
sdcmdv
t
sdcmdh
t
sdcmdv
SD_CLKOUT
SD_CS
SD_RAS
SD_CAS
SD_WE
SD_DQMn
SD_An
SD_Dn
OPCODE
t
sdcmdv
t
sdcmdh