GL826 USB 2.0 Multi-Slot Flash Card Reader Controller
xD card detect
XD_CDZ
SD_WP
83
84
85
83
-
-
24
23
I, pu 0: Card insert
1: No card
SD write protect
I, pd 0: write enable
1: write protection
SD card detect
84
85
32
33
SD_CDZ
I, pu 0: Card insert
1: No card
88, 89, 91,
93
28, 27,
29, 32,
33, 34,
26, 25
36,37,39,
41,42,43,
34,35
88, 89, 91, 93
SD_D7~0
B
SD data pins
94, 95, 86, 94, 95, 86, 87
87
SD_CLK
SD_CMD
MS_BS
90
92
90
92
38
40
55
30
31
44
O
B
O
SD clock
SD command/response
MS/MSP bus state
MS insertion detect
109
109
MS_INS
113
113
59
1
I, pu 0: Card insert
1: No card
48, 47,
45,
114, 112,
110, 111
114, 112, 110, 60,58,56,
MS_D3~0, 4~7
B
MS/MSP data signal
111, 33~36
57
61
50
46,17~19
3
MS_CLK
5V
115
115
O
P
MS clock
5V power input, max.
600mA
97, 104
97, 104
39
PMOSOZ_SD
PMOSOA_SM
PMOSOB_MS
PMOSOC_mSD
PMOSOD_CF
PMOSOZ_MS
PMOSOB_SD
PMOSOC_SD
IREF
99
100
101
102
103
-
-
100
-
47
-
-
-
P
P
P
P
P
P
P
P
A
SD power 250mA
SM/xD power 100mA
MS power 100mA
48
49
-
-
-
-
mSD power 100mA
CF power 500mA
103
99
-
-
37
38
-
MS PRO-HG power 250mA
-
101
102
105
-
SD power 200mA
-
-
105
51
40
Regulator reference voltage
12MHz XTAL input. It can
be connected to external
12MHz clock input
X1
106
106
52
41
I
X2
107
122
107
122
53
64
42
4
B
12MHz XTAL output
EXTRSTZ
I, pu System reset, active low
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