參數(shù)資料
型號: tda 6920
廠商: SIEMENS AG
英文描述: 7 x 5 Video Matrix Switch(視頻陣列開關(guān))
中文描述: 7 × 5視頻矩陣開關(guān)(視頻陣列開關(guān))
文件頁數(shù): 23/27頁
文件大?。?/td> 555K
代理商: TDA 6920
0 0 0
0 0 1
Reference
5 - 5
TDA 6920
Wireless Components
Specification, August 1999
5.2
Address selection (fast I
2
C-Bus)
1st byte of transmission (8 bit)
5.3
Data selection ( fast I
2
C-BUS )
2nd byte of transmission (8 bit)
Table 5-5
HEX
binary
address pin
MSB
LSB
9 6
1 0 0 1
0 1 1 0
VCC (min. 3V)
9 4
1 0 0 1
0 1 0 0
GND
Table 5-6 Output selection (3bit, 7bit must always be 0)
b7 b6
*
b5 b4 b3
b2 b1 b0
*
*....
X = don’ t care
selected output
0 x
x x x
- not used
0 x
x x x
out1
0 x
0 1 0
x x x
out2
0 x
0 1 1
x x x
out3
0 x
1 0 0
x x x
out4
0 x
1 0 1
x x x
out5
0 x
1 1 0
x x x
- not used
0 x
1 1 1
x x x
- not used
Table 5-7 Input selection clamped (3 bit, bit7 must always be 0)
b5 b4 b3
*
b7 b6
*....X = don’ t care
b2 b1 b0
selected output
0 x
x x x
0 0 0
output off condition
0 0
x x x
0 0 1
in1
0 0
x x x
0 1 0
in2
0 0
x x x
0 1 1
in3
0 0
x x x
1 0 0
in4
0 x
x x x
1 0 1
in5
0 x
x x x
1 1 0
in6
0 x
x x x
1 1 1
in7
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