CM220F C-Media Electronics, Inc., CM220F Datasheet - Page 8

• Manufacturer Part Number: CM220F
• Description: Updateable USB2.0 Card Reader Controller
• Manufacturer: C-Media Electronics, Inc.

Date: 8/2/2005
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VCC3V(O)
VCC3V(I)
CFD[1]
CFD[8]
CFD[2]
CFD[9]
CFD[10]
CFCD
GND(O)
VCC(CORE)
VDDH
GND(CORE)
VCC_U20
GND_U20
XSCI
XSCO
VCC3O_U20
VCCHSR
VCCHST
GND_U20
RREF
DM
DP
GND_U20
RPU
DMRS
DPRS
VCC3I_U20
VCC3O_U20
GND_U20
VCCA
GND(O)
DIO, PD
DIO, PD
DIO, PD
DIO, PD
DIO, PD
DI, PU
Digital power. Connected to 3.3 V
Digital power. Connected to 3.3 V
CF card data bus
CF card data bus
CF card data bus
CF card data bus
CF card data bus
CF Card detect pin, low active
Digital Ground pin
Digital power. Connected to 2.5 V
Digital power. Connected to 3.3 V
(Regulator input)
Digital Ground pin
Digital power pin. Connected to 2.5V
power
Analog ground
Analog input. Crystal oscillator input 12M
Analog output. Crystal oscillator output
12M
Analog power pin. Connected to 3.3V
power
Analog power pin. Connected to 3.3V
power
Analog power pin. Connected to 3.3V
power
Analog ground
Analog input.
Connects external reference resistor (12.1k
+- 1%) to
Analog GND
Bidirection pin, USB 2.0 data in data
negative pin terminal
Bidirection pin, USB 2.0 data in data
positive pin terminal
Analog ground
Connects external register (1.5K+- 1.5%) to
analog 3.3V
USB 1.1 data in data negative pin terminal
USB 1.1 data in data positive pin terminal
Analog power pin. Connected to 3.3V
power
Analog power pin. Connected to 3.3V
power
Analog ground
PHY power in for analog. Connected to
3.3V
Digital Ground pin
Updateable USB2.0 Card Reader Controller
- 8 -
Version: 1.4
CM220