AN5192 PANASONIC [Panasonic Semiconductor], AN5192 Datasheet - Page 19

• 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)
20
21
22
23
Contrast
control
Clock
from
DATA
from
2.3 V
-COM
2.3 V
-COM
60 k
100 A
22
1 V
21
Equivalent circuit
1 k
100 A
1 k
100 k
100 k
6.9 k
5.9 V
60 k
7.1 k
30 k
30 k
ACK
100 A
6.9 k
7.1 k
50 A
50 A
30 k
30 k
to Logic
to Logic
circuit
to Contrast
Circuit
circuit
6.9 k
100 k
4.7 F
100 k
20
5 V
(V
1.7 V
5 V
(V
2.1 V
1.7 V
9 V
(V
CC3
CC3
CC1
3.5 V
)
)
)
ACL pin
I
I
V
• Contrast can be reduced when DC
• For VIF, SIF circuit
2
2
C Bus Data input pin
C Clock input pin
CC3-1
voltage of pin 20 is decreased from
the outside.
(typ. 5 V)
Description
AN5192K
approx. 3 V
(pulse)
(pulse)
I/O
DC
AC
AC
DC
5 V
19