參數(shù)資料
型號: 935261351112
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號轉(zhuǎn)換
英文描述: COLOR SIGNAL DECODER, PDIP32
封裝: 0.400 INCH, PLASTIC, SOT-232, SDIP-32
文件頁數(shù): 6/47頁
文件大?。?/td> 390K
代理商: 935261351112
1996 Jan 17
14
Philips Semiconductors
Preliminary specication
I2C-bus controlled, alignment-free PAL/NTSC/SECAM
decoder/sync processor with PALplus helper demodulator
TDA9144
Fig.7 State diagram of the vertical divider system.
handbook, full pagewidth
MGE042
WAIT
FOR
RESET
PULSE
NO
NORM
COUNT
LC = 528 or LC = 576 or on VSP LC = 628 or LC = 722 or on VSP
no_norm
else
no_norm
norm
LC
< 488
LC
≤ 525
LC
≤ 625
NEAR
NORM
NEAR
NORM
LC
< 522
LC
< 622
LC
< 488
on SYNC
if LC
< 576
on SYNC
if LC
≥ 576
LC = 526
LC = 626
on VSP if
522
< LC < 528
or on LC = 528
on VSP if
622
< LC < 628
or on LC = 628
vertical frequency 60 Hz
vertical frequency 50 Hz
near_norm
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