CM220S C-Media Electronics, Inc., CM220S Datasheet - Page 10

• Manufacturer Part Number: CM220S
• Description: Updateable USB2.0 Card Reader Controller
• Manufacturer: C-Media Electronics, Inc.

Note
Date: 8/2/2005
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1. DO ==> output
2. DI ==> input
3. DIO ==> Bi-direction
4. PD == > Internal pull low
5. PU == > Internal pull high
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VCC3V(O)
SMWPB
XDREB
XDCEB
XDCLE
XDALE
XDWEB
GND(O)
VCC3V(O)
XDWPB
XDD[0]
XDD[1]
XDD[2]
XDD[3]
XDD[4]
XDD[5]
XDD[6]
XDD[7]
VCC3V(O)
GND(O)
GND(I)
SMPWR
SMLED
UDPS
MSLED
GPIO2
XDRDY
DO
DIO
DO
DI
DO
DO
DO
DO
DO
DO
DIO, PD
DIO, PD
DIO, PD
DIO, PD
DIO, PD
DIO, PD
DIO, PD
DIO, PD
DO
DO
DI
Digital power. Connected to 3.3 V
MS Card access indicator Led, High active
General Purpose Input Output
SM write protect, low active
XD card ready/busy status
Read enable, low active
Card enable, low active
Command latch enable, high active
Address latch enable, high active
Write enable, low active
Digital Ground pin
Digital power. Connected to 3.3 V
XD write protect, low active
XD/SM card data bus
XD/SM card data bus
XD/SM card data bus
XD/SM card data bus
XD/SM card data bus
XD/SM card data bus
XD/SM card data bus
XD/SM card data bus
Digital power. Connected to 3.3 V
Digital Ground pin
Digital Ground pin
SM Card power control, low active
SM Card access indicator Led, High active
0: 500mA
1: 100mA
Updateable USB2.0 Card Reader Controller
- 10 -
Version: 1.4
CM220