GL819 USB 2.0 Generation 3 Multi-I/F Card Reader Controller
NVMCSZ
43
O
P
Ext. flash CS#
46,88,114,
124
VDD33_1~4
Digital power 3.3V
SD Write Protect Detection, this pin is an active high write
protect signal for the SD device; Default high when card inserted.
SD Card detection#, this is the card detection signal from SD
device to indicate if the device is inserted, Normal high.
SD_WP
47
48
I
I
SD_CDZ
SM_WEZ
SM_RBZ
NVMOEZ
MS_CLK
SM_WPZ
CF_A0~2
SM_ALE
93C46_DO
93C46_DI
49
50
O
I
SmartMedia WE#
SmartMedia RDY/BSY#
Ext. flash OE#
52
O
O
B
O
O
O
I
56
Memory Stick SCLK output.
SmartMedia WP#
CF address 0~2
57
65~63
68
SmartMedia ALE
93C46 Data out
69
70
93C46 Data in
External reset #, the active low signal is used by the system to
reset the chip, The active low pulse should be at least 1 us wide.
EXTRSTZ
71
I,PU
28,31,32,74,
120
NC
Not connected
B
I
MSD0~3
SM_CDZ
77,89,76,75
MS DAT0~3
SmartMedia CD#, this is the card detection signal from SM
device to indicate if the device is inserted, active low.
78
80~82,104,
105,109,
116,117,110
CF_D0~7,13
B
CF Data 0~7, 13
PMOSO1
PMOSO2
PMOSO3
123
87
P
P
P
PMOS1: SM/XD Power MOS output (250mA output for idea)
PMOS2: MS Power MOS output(250mA output for idea)
PMOS3: SD Power MOS output(250mA output for idea)
113
PMOS4: CF Power MOS output(250mA output for idea) or
Access LED
PMOSO4
45
P
MS_INS
SM_CLE
IORDY
90
91
I
O
I
Memory Stick INS
SmartMedia CLE
CF IORDY
97
CF_D14~15
100,101
B
CF data 14~15
CF CD# . CF card detection, this pin is connected to the ground
on the CF card, when the CF device is inserted.
CF_CDZ
106
107
I
I
SmartMedia Write Protect Detect, this pin is an active low write
protect signal for the SM device, when SM is enable. Normal high.
SM_WPDZ
MS_BS
108
111
112
O
O
B
MemoryStick BS
SD/MMC CLK
SD/MMC CMD
SD_CLK
SD_CMD
Note:
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Page 12
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