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CM220L Datasheet(PDF) 10 Page - C-Media Electronics

Part # CM220L
Description  Updateable USB2.0 Card Reader Controller
PDF  19 Pages
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Manufacturer  CMEDIA [C-Media Electronics]
Direct Link  http://www.cmedia.com.tw
Logo CMEDIA - C-Media Electronics

CM220L Datasheet(HTML) 10 Page - C-Media Electronics

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CM220
Updateable USB2.0 Card Reader Controller
Date: 8/2/2005
Version:
1.4
- 10 -
NC
NC
102
VCC3V(O)
Digital power. Connected to 3.3 V
NC
NC
103
MSLED
DO
MS Card access indicator Led, High active
NC
NC
104
GPIO2
DIO
General Purpose Input Output
NC
79
105
SMWPB
DO
SM write protect, low active
NC
80
106
XDRDY
DI
XD card ready/busy status
NC
81
107
XDREB
DO
Read enable, low active
NC
82
108
XDCEB
DO
Card enable, low active
NC
83
109
XDCLE
DO
Command latch enable, high active
4
84
110
XDALE
DO
Address latch enable, high active
5
85
111
XDWEB
DO
Write enable, low active
6
86
112
GND(O)
Digital Ground pin
7
87
113
VCC3V(O)
Digital power. Connected to 3.3 V
NC
88
114
XDWPB
DO
XD write protect, low active
NC
89
115
XDD[0]
DIO, PD
XD/SM card data bus
NC
90
116
XDD[1]
DIO, PD
XD/SM card data bus
NC
91
117
XDD[2]
DIO, PD
XD/SM card data bus
NC
92
118
XDD[3]
DIO, PD
XD/SM card data bus
NC
93
119
XDD[4]
DIO, PD
XD/SM card data bus
NC
94
120
XDD[5]
DIO, PD
XD/SM card data bus
NC
95
121
XDD[6]
DIO, PD
XD/SM card data bus
NC
96
122
XDD[7]
DIO, PD
XD/SM card data bus
NC
97
123
VCC3V(O)
Digital power. Connected to 3.3 V
NC
98
124
GND(O)
Digital Ground pin
NC
98
124
GND(I)
Digital Ground pin
NC
99
125
SMPWR
DO
SM Card power control, low active
8
100
126
SMLED
DO
SM Card access indicator Led, High active
9
1
128
UDPS
DI
0: 500mA
1: 100mA
Note
1. DO ==> output
2. DI ==> input
3. DIO ==> Bi-direction
4. PD == > Internal pull low
5. PU == > Internal pull high



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