PD77210_15 Datasheet, PDF (67/76 Pages) Renesas Technology Corp – 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSOR

SD card Interface (µPD77213 only)
Timing requirements
Parameter
SDCR input setup time
SDCR input hold time
SDDAT input setup time
SDDAT input hold time
Symbol
tsuSDCR
thSDCR
tsuSDD
thSDD
Condition
Input response
Input response
Input data
Input data
Switching characteristics
Parameter
SDCLK cycle time
SDCLK high level width
SDCLK low level width
Symbol
tcSDC
twSDC(H)
twSDC(L)
Condition
SDCLK rise/fall time
trfSDC
SDCR output delay time
tdSDCR
SDCR output valid time
tvSDCR
SDDAT output delay time
tdSDD
SDDAT output valid time
tvSDD
Note n:SD card clock division ratio
Output command
Output command
Output data
Output data
µPD77210, 77213
MIN.
10
0
10
0
TYP.
MAX.
Unit
ns
ns
ns
ns
MIN.
0
0
TYP.
n x tcC^Note
2 tcC
tcSDC −
twSDC(H)
MAX.
5
10
10
Unit
ns
ns
ns
ns
ns
ns
ns
ns
Data Sheet U15203EJ3V0DS
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