AN5192 PANASONIC [Panasonic Semiconductor], AN5192 Datasheet - Page 17

• Manufacturer Part Number: AN5192
• Description: Single chip IC with I2C bus Interface for PAL/NTSC color TV system
• Manufacturer: PANASONIC [Panasonic Semiconductor]

ICs for TV
Pin No.
Terminal Equivalent Circuits (continued)
10
11
12
13
7
8
9
100 A
from
microcomputer
from
microcomputer
pin 11, 12, 13 2.7 k
10 k
100 A
to RGB
output
circuit
100 A
I
P2
I
Equivalent circuit
N2
10
2.7 k
30 k
30 k
I
500 A
500 A
50 A
P1
50 A
C7 and C8 have tempera-
ture characteristic (N750)
I
100 k
N1
1.7 k
9 V
(V
100 A
CC1
DC 2.7 V
DC 2.7 V
)
9
to RGB output
circuit
12 pF
to RGB output
circuit
9 V
(V
7
15 pF
C7
V
4.43 MHz
CC1
8
9 V
(V
C8
REF
3.58 MHz
CC1
1 F
)
V
1 V
CC1
)
Pin 7: Chroma oscillation pin (4.43 MHz)
Pin 8: Chroma oscillation pin (3.58 MHz)
Spot killer pin
Y
Pin 11: External R input pin
Pin 12: External G input pin
Pin 13: External B input pin
• Oscillation pin for chroma. Either one
• Oscillation frequency changeover is
• When 0E D0
• Pattern from pin to oscillator
• To be used for discharging electric
• DC voltage of R,G,B output pin is
• Fast blanking pulse input pin for
• Turns on at a voltage higher than
• External input pin for OSD
• Output changes linearly according
• Limit voltage of input changes according
S
of 4.43 MHz or 3.58 MHz is oscillated
performed by 0E D0 bit of I
I
oscillates.
When 0E D0
I
oscillates.
element should be as short as possible.
charge on CRT quickly when power
of set is turned Off.
raised when V
OSD
1 V[0-p]
to input level.
to contrast control level.
P1
N1
input pin
and I
Output
and I
Description
P2
N2
turn On and 4.43 MHz
Input
turn on and 3.58 MHz
CC1
2.5 V
1
0
drops.
(max.)
Contrast
Contrast
max.
min.
2
C Bus
AN5192K
approx. 9 V
0.3 V[p-p]
approx.
(pulse)
(pulse)
f
I/O
AC
DC
AC
AC
f
C
17