
NTSC/PAL TV SIGNAL PROCESSOR
M52771ASP
MITSUBISHI ICs (TV)
PRELIMINARY
Notice:This is not a final specification.
Some parametric limits are subject to change.
DESCRIPTION
The M52771ASP is a single chip CTV processor which has
VIF/SIF, luminance, chrominance, mono sound, OSD display,
RGB interface, and deflection.
And it is possible to control each parameters by I
2
C bus. A
baseband 1H delay line is built-in, and conjunction with SECAM
decoder M52325AP simplifies multi system CTV chassis.
FEATURES
Built-in 1H Delay Line using Bi-CMOS technology
Multistandard PLL demodulator for IF
Alignment-free sound demodulator
Flexible source selection with internal CVBS and external CVBS
or Y/C input signal
Audio switch integrated
Integrated chroma trap and bandpass filters with auto-calibration
Luminance delay line integrated
RGB control circuit with cut-off and drive
Linear RGB inputs and fast blanking
Horizontal synchronaization with two control loops and alignment-
free H-oscillator
Vertical count-down circuit
Vertical saw tooth generator integrated
I
2
C Bus control of various functions
Easy interfacing with SECAM decoder for multistandard
applications
Small amount of peripheral components
52 pin shrink DIP
APPLICATION
NTSC/PAL TELEVISION
QUICK REFERENCE DATA
Supply voltage pin8(VIF), pin26(video/chroma)....................5.0V
pin22(Start-up), pin42(Output Stage)...........9.0V
Supply current
pin8 and pin26......................................... 107mA
pin22 and pin42..........................................56mA
Input signals
VIF input sensitivity...................................47dBμ
SIF limiting sensitivity............................... 40dBμ
External audio input................................... 1V
P-P
External CVBS/Y inputs............................. 1V
P-P
External chroma input (burst amplitude)..0.3V
P-P
External RGB inputs................................ 0.7V
P-P
Fast blanking
Internal TV.................. 0 to 0.8V
External RGB............1.2 to 3.3V
Harf Tone.................... 3.7 to 5V
-(R-Y) input............................................1.05V
P-P
-(B-Y) input.............................................1.33V
P-P
PIN CONFIGURATION (TOP VIEW)
Outline 52P4B
1
4
3
2
5
6
9
10
11
12
13
14
52
51
7
8
15
50
16
49
17
48
18
47
19
20
46
45
21
44
22
43
23
24
42
41
25
40
26
39
27
28
29
30
31
32
38
37
36
35
34
33
AFT OUT
LIMITER IN
RF AGC OUT
IF AGC FILTER
VIF GND
VIF IN-1
VIF IN-2
VIF V
CC
(5V)
V
CD
V
CC
(5V)
AFC 1 FILTER
SCP OUT
H OUT
H OSC
SDA
SCL
R OUT
G OUT
B OUT
B IN
V-RAMP C
DEFLECTION/V
SS
GND
V RAMP/PULSE OUT
FAST BLK
AFC 2 FILTER
V RAMP FEEDBACK
MUTE FILTER
SECAM REF.
Hi V
CC
(9V)
G IN
R IN
X-TAL 3.58
VCD GND
TV CVBS IN/Y IN
Y SW OUT
X-TAL 4.43
EXT AUDIO IN
AUDIO OUT
FM DIRECT OUT
VCO-1
VCO-2
VIDEO OUT
-(R-Y) IN
-(B-Y) IN
AUDIO BYPASS
KILLER FILTER
EXT CVBS IN/C IN
CHROMA APC FILTER
VIDEO APC FILTER
IDENT FILTER
SYNC SEP IN
M
H V
CC
(9V)
ACL IN
Output signals VIF CVBS det out.....................................2.2V
P-P
RF AGC output range.........................0.3 to 8.7V
Video switch out.......................................2.1V
P-P
RGB output
Pedestal voltage.................2.2V
amplitude........................4.2V
P-P
Horizontal output amplitude.....................4.0V
P-P
Vertical ramp amplitude........................... 2.0V
P-P