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參數(shù)資料
| 型號： | CM220 |
| 廠商： | C-Media Electronics Inc. |
| 英文描述： | Updateable USB2.0 Card Reader Controller |
| 中文描述： | 更新的USB2.0接口讀卡器控制器 |
| 文件頁數(shù)： | 19/19頁 |
| 文件大?。?/td> | 260K |
| 代理商： | CM220 |
CM220
Updateable USB2.0 Card Reader Controller
Date: 8/2/2005
Version:
1.4
- 9 -
NC
73
SCEB
DO, PU
DIO, PU
SPI – CEB
EEPROM – CS
SD – SDD[7]
NC
74
SCLK
DO, PU
DIO, PU
SPI - Clock Output
EEPROM – SK
SD – SDD[6]
NC
75
SDO
DO, PU
DIO, PU
SPI - Data Output
EEPROM – DI
SD - SDD[4]
NC
76
SDI
DI, PU
DIO, PU
SPI - Data Input
EEPROM – DO
SD - SDD[5]
32
57
77
RSTB
DI
System Reset, Low active
33
58
78
SDWP
DI, PU
SD card write protect, low active
NC
59
79
VCC3V(O)
Digital power. Connected to 3.3 V
34
60
80
SDD[1]
DIO, PU
SD card data bus
35
61
81
SDD[0]
DIO, PU
SD card data bus
36
62
82
SDCLK
DO
SD card clock
37
63
83
SDCMD
DIO, PU
SD card command bus
38
64
84
SDD[3]
DIO, PU
SD card data bus
39
65
85
SDD[2]
DIO, PU
SD card data bus
NC
66
86
USBLED
DO
USB configuration indicator Led, High
active
NC
87
SDLED
DO
SD Card access indicator Led, High active
40
67
88
SDPWR
DO
SD Card power control, low active
41
68
89
SDCD
DI, PU
SD Card detect pin, low active
NC
90
GPIO3
DIO
General Purpose Input Output
42
69
91
GND(CORE)
Digital Ground pin
42
69
91
GND(O)
Digital Ground pin
42
69
91
GND(I)
Digital Ground pin
43
70
92
VCC3V(O)
Digital power. Connected to 3.3 V
43
70
92
VCC3V(I)
Digital power. Connected to 3.3 V
44
71
93
MSCLK
DO
MS Clock Output
45
72
94
MSD[3]
DIO, PD
MS card data bus
46
73
95
MSD[2]
DIO, PD
MS card data bus
47
74
96
MSD[0]
DIO, PD
MS card data bus
48
75
97
MSD[1]
DIO, PD
MS card data bus
1
76
98
MSBS
DO
MS Bus State Output
2
77
99
MSCD
DI, PU
MS Card detect pin, low active
3
78
100
MSPWR
DO
MS Card power control, low active
NC
101
GND(O)
Digital Ground pin
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