CM220 Datasheet, PDF (10/19 Pages) C-Media Electronics – Updateable USB2.0 Card Reader Controller

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