GL819 USB 2.0 Generation 3 Multi-I/F Card Reader Controller
3.3 Pin Descriptions
Table 3.2 - Pin Descriptions
Pin Name
CF_CS0Z
Pin#
Type
O
Description
1
2
3
4
CF CS0#
CF_CS1#
CF IOR#
CF IOW#
CF_CS1Z
CF_IORZ
CF_IOWZ
O
O
O
98,99,121,
122,5~7,12,
55,54,44,53,
13,59,72,73
NVMA0~15
O
Ext. flash address 0~15
93C46_SK
93C46_CS
xD_CDZ
8
9
O
O
I
93C46 Clock
93C46 CS
11
xD-Picture card detection pin, normal high, active low.
GPIO0~3 / MMC data 4~7
GPIO0~3/
MMC_D4~7
GPIO4~7/
SM_D4~7
GPIO9~12/
SM_D0~3
127,95,96,
60
B
B
B
B
61,14,15,
128
GPIO4~7 / SM data 4~7
GPIO9~12 / SM data 0~3
GPIO8, 13~15
18,103,58,
19
102,66,62,
10
GPIO8,13~15
CF_D8~12
AVDD1_1~3
RREF
92~94,16,17
20,21,27
22
B
P
CF data 8~12
Analog power #1
Reference resistor
Analog ground 1~3
USB D-
A
A
A
A
P
AGND1_1~3
DM
23,24,29
25
DP
26
USB D+
DGND_1~4 30,51,79,115
Digital ground
Analog power #2
AVDD2
33
P
12MHz Crystal
X2
34
B
I
This is the other terminal of the crystal, or left open when an
external clock source is used to drive XTAL/CLK.
12MHz Crystal
This pin can be connected to one terminal of the crystal or can be
connected to an external 12MHz clock when a crystal is not used.
X1
35
AGND2
36
37
38
39
P
Analog ground #2
Ext. flash WE#
NVMWEZ
CF_RST
SM_REZ
O
O
O
CF reset (active-low)
SmartMedia RE#
67,40,119,
118,
SD_D0~3
B
B
SD DAT0~3
86~83,126,
125,41,42
NVMD0~7
Ext. flash data 0~7
©2000-2007 Genesys Logic Inc. - All rights reserved.
Page 11
GENESYS [ GENESYS LOGIC ]
