CM320 C-Media Electronics, CM320 Datasheet - Page 15

• Manufacturer Part Number: CM320
• Description: USB2.0 Card Reader Controller
• Manufacturer: C-Media Electronics

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Output driving Capability is 8mA
Note
Date: 5/3/2006
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48
1. I: input
2. O: output
3. PWR: power/ground pin
4. SR: Slew Rate control
5. ST: Smith Trigger
MSPWR
MSCLK
MSD[3]
VCC3V
SDD[0]
SDD[1]
SDWP
GPIO2
SDCD
SCLK
SCEB
RSTB
GND
PWR
PWR
IO
IO
IO
IO
IO
IO
O
O
I
I
I
SR, ST
SR, ST
SR, ST
SR, ST
SR, ST General Purpose Input Output Pin
SR, ST
ST
ST
ST
SR
Digital power. Connected to 3.3 V
SD card write protect, low active
SD Card detect pin, low active
System Reset, Low active
MS Card power MOS
SPI - Clock Output
Digital Ground pin
MS Clock Output
MS card data bus
SD card data bus
SD card data bus
EEPROM – SK
EEPROM – CS
SD – SDD[6]
SD – SDD[7]
SPI – CEB
Updateable USB2.0 Card Reader Controller
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Version: 1.0
CM320