gl819 Genesys Logic, gl819 Datasheet - Page 29

• Manufacturer Part Number: gl819
• Description: Usb 2.0 Generation 3 Multi-i/f Card Reader Controller
• Manufacturer: Genesys Logic

6.5.7 Secure Digital / MultiMedia Card
Normal Mode:
SD Interface Timing (C
SYMBOL
f
f
t
t
t
t
t
t
t
©2000-2007 Genesys Logic Inc. - All rights reserved.
PP
OD
WL
WH
TLH
THL
ISU
IH
ODLY
PARAMETER
Clock frequency Data Transfer Mode
Clock frequency Identification Mode
Clock low time (min)
Clock high time (min)
Clock rise time (max)
Clock fall time (max)
Input set-up time (min)
Input hold time (min)
Output delay time (max)
Figure 6.7 - Timing Diagram of
L
= 30PF)
GL819 USB 2.0 Generation 3 Multi-I/F Card Reader Controller
Secure Digital / MultiMedia Card
375
24
18
18
14
3
3
5
5
CLOCK RATE
375
20
22
22
14
3
3
5
5
375
15
30
30
14
3
3
5
5
375
80
80
14
6
3
3
5
5
Page 29
UNIT
MHz
KHz
ns
ns
ns
ns
ns
ns
ns