GL826 USB 2.0 Multi-Slot Flash Card Reader Controller
SD_D7~0
SD_CLK
SD_CMD
MS_BS
MS_INS
MS_D7~0
MS_CLK
5V
PMOSOZ_ MS
PMOSOB_SD
IREF
X1
X2
EXTRSTZ
Notation:
Type O
I
B
pu
pd
P
A
28, 27, 29, 32,
33, 34, 26, 25
30
31
44
1
19, 20, 18, 17
48, 47, 45, 46
3
39
37
38
40
41
42
4
B, pd SD data line
O, pd SD clock
B, pd SD command/response
O, pd MS/MSP bus state
I, pu MS insertion detect
B, pd MS/MSP data signal
O, pd MS clock
P 5V power input
P MS power 250mA
P SD power 200mA
A Regulator reference voltage
I XTAL 1
B XTAL 2
I, pu System reset
Output
Input
Bi-directional
internal pull-up when input
internal pull-down when input
Power / Ground
Analog
©2000-2007 Genesys Logic Inc. - All rights reserved.
Page 21