參數(shù)資料
型號: TMC57750PM
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: PLASTIC, LQFP-64
文件頁數(shù): 4/16頁
文件大?。?/td> 257K
代理商: TMC57750PM
TMC57750
1/4-INCH RS-170 TIMER
SOCS041 – JUNE 1994
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
500
400
300
200
100
0
Horizontal
Scale
794
600
792
134
395
531
4
130
252 Clocks
Location A
401
527
252 Clocks
Location B
AB
ABM
IAG1, 2
SAG
One horizontal-scan line = 63.52
s = 794 intervals
The clear sequence must take place at Location A if the iris controller determines that it is to be executed on any of the lines 21–262 of TV field 1
or lines 284–525 of TV field 2. The clear sequence can take place at either Location A or Location B if the iris controller determines that it is to
be executed on any of the lines 1–20 (excluding line 16) of TV field 1 or lines 263–283 (excluding line 278) of TV field 2. The frequency of the
clear sequence is 25 MHz.
Figure 6. Clear Timing
500
400
300
200
100
0
Horizontal
Scale
794
600
2
268
244 Clocks
AB
ABM
IAG1, 2
SAG
244 Clocks
IAG1, 2
SAG
SRG
One horizontal-scan line = 63.52
s = 794 intervals
The frequency of the parallel transfer is 12.5 MHz.
Figure 7. Parallel-Transfer Timing
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