HD49801FB Datasheet, PDF (2/43 Pages) List of Unclassifed Manufacturers – Digital Signal Processing IC for CCD Cameras

HD49801FB
HD49801FB
Pin Functions
Pin Pin
No. Name
Signal
I/O
1 PLLPO PLL posi out
O
2 PLLNO PLL nega out
O
3 VRI
Vertical reset in
I
4 CBLKO Composite blanking out O
5 CSYNCO Composite SYNC out O
6 VDO
Vertical driving out
O
7 FVO
Field vertical out
O
8 BFO
Burst flag out
O
9 IDO
Line ID out
O
10 SSG V_SS V_SS for SSG
V_SS
11 FF SCO 4fsc out
O
12 PAD V_SS V_SS for PAD
V_SS
13 X4FSCI 4fsc osc in
osc
14 X4FSCO 4fsc osc out
osc
15 SCO
Sub carrier out
O
16 CCK
C clock for DAC
O
17 CO (8)
18 CO (7)
19 CO (6)
20 CO (5)
21 CO (4)
22 CO (3)
23 CO (2)
24 CO (1)
25 TEST1
26 YCK
Chroma out (8): MSB O
Chroma out (7)
O
Chroma out (6)
O
Chroma out (5)
O
Chroma out (4)
O
Chroma out (3)
O
Chroma out (2)
O
Chroma out (1): LSB O
Test 1
I
Y clock for DAC
O
27 YO (8)
Y out (8): MSB
O
28 YO (7)
Y out (7)
O
29 YO (6)
Y out (6)
O
30 YO (5)
Y out (5)
O
31 YO (4)
Y out (4)
O
32 YO (3)
Y out (3)
O
33 YO (2)
Y out (2)
O
34 YO (1)
Y out (1): LSB
O
Function Description
In PAL/SECAM modes, the fsc and f_H gen lock phase
detection output
External reset input for the vertical synchronization
signal; high = reset
Composite horizontal and vertical blanking signal
Composite horizontal and vertical synchronization and
blanking signal
Vertical synchronization signal
Field vertical synchronization signal
Burst flag output
Line ID
PAL: High = (R-Y) +, low = (R-Y) –
SECAM: High = B-Y, low = R-Y
SSG (SYNC signal generator) ground
4fsc output
PAD V_SS
4fsc oscillator circuit input
(NTSC: 4fsc = 14.31818 MHz)
4fsc oscillator circuit output
(PAL/SECAM: 4fsc = 17.734475 MHz)
fsc output
Clock output for chroma signal (C) D/A converter;
frequency = 4fsc
Chroma signal (C) output
(Data format: offset binary)
Test pin: Fix at the low level
Clock output for luminance signal (Y) D/A converter;
frequency = 4fsc
Luminance signal (Y) output
2