CS4953XX(2008) 查看數據表（PDF） - Cirrus Logic

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CS4953XX
(Rev.:2008)

32-bit Audio Decoder DSP Family with Dual DSP Engine Technology

Cirrus Logic 

SD_CLKOUT

tsdcmdv

SD_CS#

SD_RAS#

SD_CAS#

SD_WE#

tsddqv

SD_DQMn

SD_An

tsdav

SD_Dn

SD_CLKIN

SD_CLKOUT

tsdcmdv

SD_CS#

SD_RAS#

SD_CAS#

SD_WE#

SD_Dn

SD_An

tsdav

SD_DQMn

tsdcmdh

tsdclkrf

tsddqh

00

11

CAS=2

tsddsu

tsddh

LSP0

MSP0

LSP1

MSP1

LSP2

MSP2

LSP3

MSP3

tsdclkl

tsdclkh

Figure 15. External Memory Interface - SDRAM Burst Read Cycle

tsdcmdh

LSP0

MSP0

LSP1

MSP1

LSP2

MSP2

LSP3

MSP3

tsddqv

00

11

tsddqh

Figure 16. External Memory Interface - SDRAM Burst Write Cycle

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