GL826 USB 2.0 Multi-Slot Flash Card Reader Controller
4.7 AC Characteristics of Memory Stick
Figure 4.3－MemoryStick Parallel Transfer Operation Timing
Table 4.7－AC Characteristics of Memory Stick Interface (CL = 26 pF)
Parameter
Description
SCLK frequency
Type
Unit
FSCLK
20
MHz
Parameter
tSCLKc
tSCLKwh
tSCLKwl
tSCLKr
tSCLKr
tSCLKf
tSCLKf
tBSsu
Description
SCLK Cycle
FSCLK = 20 MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
50.0
15
15
5
SCLK H pulse length (min)
SCLK L pulse length (min)
SCLK rise time (min)
SCLK rise time (max)
SCLK Fall time (min)
SCLK Fall time (max)
BS setup time (min)
10
5
10
5
tBSh
BS hold time (min)
5
tDsu
DATA setup time (min)
DATA hold time (min)
DATA output delay time (max)
5
tDh
5
tDd
5
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