CM320 C-Media Electronics, CM320 Datasheet - Page 11

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

www.DataSheet4U.com
DataSheet U .com
Date: 5/3/2006
4
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
VCC2.5V(O)
VCC3V(O)
GND_U20
VCC5V(I)
VCCHST
GND(O)
GND(O)
CFD[11]
CFD[12]
SDPWR
VCC3V
CFD[3]
CFD[4]
VCCA
GNDA
CFCD
XSCO
RREF
GND
XSCI
GND
DM
NC
NC
DP
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
IO
IO
IO
IO
IO
IO
O
O
O
O
I
I
I
I
SR, ST
SR, ST
SR, ST
SR, ST
ST
2.5V output of 3.3->2.5V regulator
Digital power. Connected to 3.3 V
Analog output. Crystal oscillator
Analog power pin. Connected to
Bidirection pin, USB 2.0 data in
Bidirection pin, USB 2.0 data in
3V output of 5-> 3.3V regulator
Analog input. Crystal oscillator
CF Card detect pin, low active
5V input of 5-> 3.3V regulator
Connects external reference
data negative pin terminal
data positive pin terminal
PHY power in for analog.
resistor (12.1k +- 1%) to
SD Card power MOS
Analog Ground pin
Digital Ground pin
Not Connected Pin
Not Connected Pin
Connected to 3.3V
Digital Ground pin
Digital Ground pin
Digital Ground pin
CF card data bus
CF card data bus
CF card data bus
CF card data bus
Analog ground
Analog input.
Analog GND
output 12M
3.3V power
input 12M
N.C.
Updateable USB2.0 Card Reader Controller
- 11 -
Version: 1.0
CM320