CM320 C-Media Electronics, CM320 Datasheet - Page 12

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

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Date: 5/3/2006
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CFD[13]
CFD[14]
CFD[15]
SDCMD
MSPWR
SMPWR
XDRDY
SDCLK
VCC3V
VCC3V
CFD[5]
CFD[6]
CFD[7]
SDD[2]
SDD[3]
SDD[0]
SDD[1]
GPIO3
GPIO4
SDWP
SDCD
SCLK
SCEB
RSTB
GND
SDO
SDI
PWR
PWR
PWR
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
O
O
O
I
I
I
I
SR, ST
SR, ST
SR, ST
SR, ST
SR, ST
SR, ST
SR, ST General Purpose Input Output Pin
SR, ST General Purpose Input Output Pin
SR, ST
SR, ST
SR, ST
SR, ST
SR, ST
SR, ST
SR, ST
SR, ST
SR, ST
SR
ST
ST
ST
SR
Digital power. Connected to 3.3 V
Digital power. Connected to 3.3 V
SD card write protect, low active
SD Card detect pin, low active
XD card ready/busy status
System Reset, Low active
SM/xD Card power MOS
SD card command bus
MS Card power MOS
SPI - Clock Output
Digital Ground pin
SPI - Data Output
CF card data bus
CF card data bus
CF card data bus
CF card data bus
CF card data bus
CF card data bus
SD card data bus
SD card data bus
SD card data bus
SD card data bus
SPI - Data Input
EEPROM – DO
EEPROM – SK
EEPROM – CS
EEPROM – DI
SD card clock
SD – SDD[6]
SD – SDD[7]
SD - SDD[4]
SD - SDD[5]
SPI – CEB
Updateable USB2.0 Card Reader Controller
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Version: 1.0
CM320