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参数资料
| 型号： | CM320 |
| 厂商： | C-Media Electronics Inc. |
| 英文描述： | USB2.0 Card Reader Controller |
| 中文描述： | 个USB2.0读卡机控制 |
| 文件页数： | 2/21页 |
| 文件大小： | 363K |
| 代理商： | CM320 |
CM320
Updateable USB2.0 Card Reader Controller
Date: 5/3/2006
Version:
1.0
- 10 -
4. PIN DESCRIPTIONS & ASSIGNMENT
CM320L
100
pin #
Symbol
Type
I/O
Type
Description
1
VCC3V
PWR
Digital power. Connected to 3.3 V
2
CFPWR
O
CF card power MOS
3
MSCD
I
ST
MS Card detect pin, low active
4
MSD[2]
IO
SR, ST
MS card data bus
5
MSD[0]
IO
SR, ST
MS card data bus
6
MSD[1]
IO
SR, ST
MS card data bus
7
MSBS
O
SR
MS Bus State Output
8
LED
IO
SR
Card access indicator Led, High
active
9
GPIO0
IO
SR, ST General Purpose Input Output Pin
10
XDD[7]
IO
SR, ST
XD/SM card data bus
11
XDCD
I
ST
XD Card detect pin, low active
12
SMCD
I
ST
SM Card detect pin, low active
13
GPIO1
IO
SR, ST General Purpose Input Output Pin
14
GPIO5
IO
SR, ST General Purpose Input Output Pin
15
SMWP
I
ST
SM card write protect, low active
16
TMODE
I
ST
Chip test mode enable, High active
17
CFCS0
O
SR
CF card select 0
18
CFCS1
O
SR
CF card select 1
19
CFIOR
O
SR
CF card read enable, low active
20
CFIOW
O
SR
CF card write enable, low active
21
CFRST
O
SR
CF card reset, low active
22
CFSA[2]
O
SR
CF card address bus
23
CFSA[1]
O
SR
CF card address bus
24
CFSA[0]
O
SR
CF card address bus
25
CFD[0]
IO
SR, ST
CF card data bus
26
CFD[1]
IO
SR, ST
CF card data bus
27
CFD[8]
IO
SR, ST
CF card data bus
28
CFD[2]
IO
SR, ST
CF card data bus
29
CFD[9]
IO
SR, ST
CF card data bus
30
CFD[10]
IO
SR, ST
CF card data bus
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