参数资料
型号: FSSD07UMX
厂商: Fairchild Semiconductor
文件页数: 7/14页
文件大小: 0K
描述: IC MUX 2:1 SD/SDIO/MMC 24-UMLP
标准包装: 1
类型: 多路复用器
应用: 手机,数码相机,媒体播放器
安装类型: 表面贴装
封装/外壳: 24-UFQFN
供应商设备封装: 24-UMLP
包装: 标准包装
产品目录页面: 1219 (CN2011-ZH PDF)
其它名称: FSSD07UMXDKR
2007 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSSD07 Rev. 1.0.2
2
FSSD07
1-Bit
/
4-Bit
SD/SDIO
and
MMC
Dual-Host
Multiplexer
Pin Configuration
12
11
6
7
8
9
10
15
17
18
19
OE
VDDC
GND
1
224 23
13 14
3
4
5
20
21
22
DAT[2]
1C
M
D
1CLK
DAT[3]
CLK
DAT[0]
CMD
DAT[1]
2CMD
VDDH2
1DAT[1]
2DAT[2]
VDDH1
1DA
T
[2
]
1DA
T
[3
]
1DAT[0]
2DAT[3]
16
S
2DA
T
[1]
2DA
T
[0]
2C
LK
DAT[3]
CMD
VDDC
GND
CLK
1CLK
2CMD
DAT[0]
1DAT[0]
1DAT[1]
2DAT[3]
2DAT[2]
S
DA
T
[1
]
2D
AT[1]
2D
AT[0]
2C
LK
VD
D
H
2
1
2
3
4
5
6
24
10
9
8
7
14
13
12
11
19
18
17
16
15
23
22
21
20
DA
T
[2
]
OE
1D
AT
[2
]
1D
A
T
[3
]
1C
M
D
VD
D
H
1
Figure 2.
MLP Pin Assignments
Figure 3.
UMLP Pin Assignments
Pin Definitions
Pin# MLP
Pin# UMLP
Name
Description
1
22
1DAT[2]
SDIO Common Port
2
23
OE
Output Enable (Active HIGH)
3
24
DAT[2]
SDIO Common Port
4
1
DAT[3]
5
2
CMD
6
3
VDDC
Power Supply (SDIO Peripheral Card Port)
7
4
GND
Ground
8
5
CLK
Clock Path Port
9
6
DAT[0]
SDIO Common Port
10
7
DAT[1]
11
8
S
Select Pin
12
9
2DAT[1]
Host Common Port
13
10
2DAT[0]
14
11
2CLK
Clock Path Port
15
12
VDDH2
Power Supply (Host Port)
16
13
2CMD
Host Common Port
17
14
2DAT[3]
18
15
2DAT[2]
19
16
1DAT[1]
20
17
1DAT[0]
21
18
1CLK
Clock Path Port
22
19
VDDH1
Power Supply (SDIO Host Port)
23
20
1CMD
Host Common Port
24
21
1DAT[3]
Truth Table
OE
S
Function
HIGH
LOW
1CMD, 1CLK, 1DAT[3:0] connected to CMD, CLK, DAT[3:0]
HIGH
2CMD, 2CLK,2DAT[3:0] connected to CMD, CLK, DAT[3:0]
LOW
X
CMD, DAT[3:0] ports high impedance; CLK is function of selected nCLK
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