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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： | 5/21页 |
| 文件大小： | 363K |
| 代理商： | CM320 |
CM320
Updateable USB2.0 Card Reader Controller
Date: 5/3/2006
Version:
1.0
- 13 -
84
XDREB
O
SR
Read enable, low active
85
XDCEB
O
SR
Card enable, low active
86
XDCLE
O
SR
Command latch enable, high active
87
XDALE
O
SR
Address latch enable, high active
88
XDWEB
O
SR
Write enable, low active
89
XDWPB
O
SR
90
GPIO2
IO
SR, ST General Purpose Input Output Pin
91
XDD[0]
IO
SR, ST
XD/SM card data bus
92
XDD[1]
IO
SR, ST
XD/SM card data bus
93
XDD[2]
IO
SR, ST
XD/SM card data bus
94
XDD[3]
IO
SR, ST
XD/SM card data bus
95
XDD[4]
IO
SR, ST
XD/SM card data bus
96
XDD[5]
IO
SR, ST
XD/SM card data bus
97
XDD[6]
IO
SR, ST
XD/SM card data bus
98
MSCLK
O
SR
MS Clock Output
99
MSD[3]
IO
SR, ST
MS card data bus
100
GND
PWR
Digital Ground pin
CM320S
48
pin #
Symbol
Type
I/O
Type
Description
1
MSCD
I
ST
MS Card detect pin, low active
2
MSD[2]
IO
SR, ST
MS card data bus
3
MSD[0]
IO
SR, ST
MS card data bus
4
MSD[1]
IO
SR, ST
MS card data bus
5
MSBS
O
SR
MS Bus State Output
6
LED
IO
SR
Card access indicator Led, High
active
7
GPIO0
IO
SR, ST General Purpose Input Output Pin
8
TMODE
I
ST
Chip test mode enable, High active
9
GND
PWR
Digital Ground pin
10
VCC3V
PWR
Digital power. Connected to 3.3 V
11
SDPWR
O
SD Card power MOS
12
NC
Not Connected Pin
13
NC
Not Connected Pin
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