gl819 Genesys Logic, gl819 Datasheet - Page 26

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

6.5.5 Memory Stick
Memory Stick Frequency Mode
AC Characteristics of Memory Stick Interface (C
©2000-2007 Genesys Logic Inc. - All rights reserved.
PARAMETER
tSCLKwh
tSCLKwl
tSCLKc
Parameter
F
SCLK
SCLK Cycle
SCLK
(min)
SCLK L pulse length (min)
DESCRIPTION
SCLK frequency
GL819 USB 2.0 Generation 3 Multi-I/F Card Reader Controller
Figure 6.5 - Timing Diagram of MemoryStick
H
pulse
Description
length
1.5 MHZ
F
LOAD
666.6
323.3
323.3
SCLK
= 30 pF)
=
Mode
0
1
2
3
F
6 MHZ
166.6
SCLK
73.3
73.3
=
1.5M
15M
20M
Typ
6M
15 MHZ
F
SCLK
66.6
23.3
23.3
=
Unit
Hz
20 MHZ
F
SCLK
50.0
15
15
=
Remark
Page 26
UNIT
ns
ns
ns