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GL828 Datasheet(PDF) 18 Page - GENESYS LOGIC

Part # GL828
Description  USB 2.0 SD/MMC Single Slot Card Reader Controller
PDF  23 Pages
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Manufacturer  GENESYS [GENESYS LOGIC]
Direct Link  http://www.genesyslogic.com
Logo GENESYS - GENESYS LOGIC

GL828 Datasheet(HTML) 18 Page - GENESYS LOGIC

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GL828 USB 2.0 SD/MMC Single Slot Card Reader Controller
©2000-2006 Genesys Logic Inc. - All rights reserved.
Page 18
SD Interface Timing (CL = 30PF)
SYMBOL
PARAMETER
CLOCK RATE
UNIT
fPP
Clock frequency Data Transfer Mode
48
20
15
6
MHz
fOD
Clock frequency Identification Mode
375
375
375
375
KHz
tWL
Clock low time (min)
7.4
22
30
80
ns
tWH
Clock high time (min)
7.4
22
30
80
ns
tTLH
Clock rise time (max)
3
3
3
3
ns
tTHL
Clock fall time (max)
3
3
3
3
ns
tISU
Input set-up time (min)
6.6
19.8
27
72
ns
tIH
Input hold time (min)
6.6
19.8
27
72
ns
tODLY
Output delay time (max)
2
2
2
2
ns
6.6.3 Reset Timing
EXTRSTZ
Trst
Figure 6.5 - Timing Diagram of Reset width
Figure 6.6 - Timing Diagram of Power Good to USB command receive ready



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