GL826 USB 2.0 Multi-Slot Flash Card Reader Controller
GPIO6/
mSD card detect (in 5 LUNs
GPIO6/mSD
_CDZ
32
32
18
-
B
Dual SD application )
0: Card insert
1: No card
GPIO8~11
GPIO12
33~36
8
19~22
10
-
B
B
General purpose IO
8
13
General purpose IO
CF card detect
CF_CDZ
25
25
-
-
I, pu 0: Card insert
1: No card
60, 58, 56,
54,
52, 77, 76, 60, 58, 56, 54,
74, 52, 77, 76, 74,
59, 57, 55, 59, 57, 55, 53,
CF_D15~0
-
-
B
CF data pins
53,
51, 75, 73,
72
51, 75, 73, 72
CF_CS0Z
CF_CS1Z
CF_IORZ
CF_IOWZ
CF_RST
61
61
62
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
O
O
O
O
O
CF chip select 0
CF chip select 1
CF IO read
62
63
63
64
64
CF IO write
CF reset
65
65
CF_IORDY
CF_DMARQ
CF_DMACK
CF_A2~0
66
66
I, pd CF IO ready
67
67
I, pd CF DMA request
68
68
O
O
CF DMA acknowledge
69~71
69~71
CF address
SM WP#
SM_WPDZ
39
39
-
-
I, pu 0: write protection
1: write enable
SM_D7~0
SM_WPZ
SM_WEZ
SM_ALE
SM_CLE
SM_CEZ
SM_REZ
SM_RBZ
40~47
48
40~47
48
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
B
SM data pins
I, pd SM write protect
49
49
O
O
O
O
O
SM write enable
SM_ALE
50
50
78
78
SM command latch enable
SM card enable
SM read enable
79
79
80
80
81
81
I, pd SM read/busy
SM card detect
I, pu 0: Card insert
1: No card
SM_CDZ
82
82
-
-
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Page 13
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