HB28E016/D032BP2
Recommended Bus Conditions
Parameter
Symbol Min
Clock Pull-up resistance for
RCMD
4.7
input clk CMD
Pull-up resistance for DAT RDAT
50
Bus signal line
CL
capacitance
Maximum signal line
inductance
Typ Max
100
100
250
100
16
Unit
kΩ
kΩ
pF
pF
nH
Remark
to prevent bus
floating
to prevent bus
floating
fPP ≤ 5 MHz,
30 cards
fPP ≤ 20 MHz,
10 cards
fPP ≤ 20 MHz
Operating Characteristics
The operating characteristics are parameters measured in a MultiMediaCard system assuming the
recommended operating conditions (refer to Chapter “Recommended Operating Conditions” and
“Recommended Bus Conditions”).
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