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GL827L Datasheet(PDF) 11 Page - GENESYS LOGIC

Part # GL827L
Description  USB 2.0 Single Slot SD/MMC/MS Card Reader Controller
PDF  21 Pages
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Manufacturer  GENESYS [GENESYS LOGIC]
Direct Link  http://www.genesyslogic.com
Logo GENESYS - GENESYS LOGIC

GL827L Datasheet(HTML) 11 Page - GENESYS LOGIC

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GL827L USB 2.0 Single Slot Card Reader Controller
©2000-2008 Genesys Logic Inc. - All rights reserved.
Page 11
3.2 Pin Descriptions
Table 3.3 - Pin Descriptions
Pin name
SSOP28
QFN 24
(A)
QFN 24
(B)
Type
Description
GND
6
3
3
P
ground
AVDD
7
4
4
P
Analog power 3.3v
DM
9
6
6
A
USB D-
DP
8
5
5
A
USB D+
RREF
10
7
7
A
Reference resistor
X1
4
1
1
I
12MHz XTAL input. It can be connected to external
12MHz clock input.
X2
5
2
2
B
12MHz output.
DVDD
3,,11
24,,8
24,,8
P
Digital power 3.3V
VP5
12
9
9
P
Regulator 5V Input
PMOSO
2
23
23
P
Card power
EXTRSTZ
13
10
10
I, pu System reset, active low
MS_INS
26
19
19
I, pu
Memory Stick insertion detect
0: card insert
1: no card
SD_CDZ
15
12
12
I, pu
SD Card detect
0: card insert
1: no card
D0~D3
17,16,25, 24
14,13,18, 17
14,13,18, 17
B
MS data 0~3
SD data 0~3
MMC data 0~3
D4~D7
23,21, 19,18
-
-
B
MMC Data4~7 (Only for SSOP28)
SD_CLK
/MS_SCLK
20
15
15
O
SD/MMC CLK/
MemoryStick SCLK
SD_WP
14
11
11
I, pd
SD Write Protect
0: write enable
1: write protect
SD_CMD/
MS_BS
22
16
16
I, pd
SD/MMC CMD/
Memory Stick BS
GPIO0
28
21
20
B
Access LED
GPIO1
1
22
21
B
SSOP28/ QFN24(A) GPIO1: NC
QFN24(B) GPIO1: I2C_SCL
GPIO3
27
20
B
Power LED
GPIO2
22
B
I2C_SDA



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