參數(shù)資料
型號(hào)： PCI930PBK
廠商： TEXAS INSTRUMENTS INC
元件分類： 多路復(fù)用及模擬開關(guān)
英文描述： 3-CHANNEL, AUDIO/VIDEO SWITCH, PQFP128
封裝： PLASTIC, TQFP-128
文件頁(yè)數(shù)： 12/13頁(yè)
文件大小： 191K
代理商： PCI930PBK
PCI930
3-TO-1 ZOOMED VIDEO SWITCH
SCPS018B – OCTOBER 1997 – REVISED DECEMBER 1997
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Table 7 and Table 8 define the control settings that allow the PCI930 to route the ZV data from the three inputs
(A_xx, B_xx, or C_xx) to the output (ZV_xx). The Tables are separated based upon the configuration of the
PCI930.
D Table 7: Output when inputs A/B have precedence over C
D Table 8: Output when input C has precedence over A/B
Table 7. Output When Inputs A/B Have Precedence Over Input C
INPUTS
CONTROL SETTINGS
OUTPUT
A_XX
B_XX
C_XX
A/B_STAT
A/B_SEL
C_STAT
ZV_OE
at ZV_xx
X
1
Non ZV data
0
X
0
X
Non ZV data
ZV data
0
X
1
X
C_xx
Non ZV data
ZV data
Non ZV data
1
0
X
0
B_xx
Non ZV data
ZV data
1
0
X
0
B_xx
Non ZV data
ZV data
0
X
1
0
C_xx
ZV data
Non ZV data
1
X
0
A_xx
ZV data
Non ZV data
ZV data
1
X
0
A_xx
ZV data
Non ZV data
ZV data
0
X
1
0
C_xx
ZV data
Non ZV data
1
X
0
A_xx
ZV data
Non ZV data
1
0
X
0
B_xx
1
X
0
A_xx
ZV data
1
0
X
0
B_xx
0
X
1
0
C_xx
Inactive state
Table 8. Output When Input C Has Precedence Over A/B
INPUTS
CONTROL SETTINGS
OUTPUT
A_XX
B_XX
C_XX
A/B_STAT
A/B_SEL
C_STAT
ZV_OE
at ZV_xx
X
1
Non ZV data
0
X
0
X
Non ZV data
ZV data
X
1
0
C_xx
Non ZV data
ZV data
Non ZV data
1
0
B_xx
Non ZV data
ZV data
1
0
B_xx
Non ZV data
ZV data
X
1
0
C_xx
ZV data
Non ZV data
1
0
A_xx
ZV data
Non ZV data
ZV data
1
0
A_xx
ZV data
Non ZV data
ZV data
X
1
0
C_xx
ZV data
Non ZV data
1
0
A_xx
ZV data
Non ZV data
1
0
B_xx
1
0
A_xx
ZV data
1
0
B_xx
X
1
0
C_xx
Inactive state
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