AN5195K PANASONIC [Panasonic Semiconductor], AN5195K Datasheet - Page 15

• Manufacturer Part Number: AN5195K
• Description: Single chip IC for PAL/NTSC color TV (built-in I2C bus interface)
• Manufacturer: PANASONIC [Panasonic Semiconductor]

ICs for TV
Pin No.
Terminal Equivalent Circuits (continued)
5
6
7
8
100 A
V
To
microcomputer
BGP
CC
circuit
APC
for microcomputer
det.
100 A
100 A
I
P2
I
N2
max. 1 mA
0.47 F
3.3 V
33 k
(5 V)
VCO
circuit
Equivalent circuit
1 V
I
500 A
500 A
P1
5
Floating
resistor
175
k
I
40
N1
270
2.5 V
SW
DC 2.7 V
DC 2.7V
10 k
R
7.5 k
2.2 F
12 pF
7
40 A
15 pF
6
C7
5 V
(V
4.43 MHz
8
C8
0.047 F
CC3
3.58 MHz
)
On
Off
Killer, 50 Hz/60 Hz and SECAM det.
output pin:
• Output selecting by SW (I
• Connect 33 k load resistor of
Pin for APC filter:
• Filter pin for APC detection circuit
• Detection sensitivity becomes large
• At SECAM, APC circuit is stopped
Pin 7: Chroma oscillation pin (4.43 MHz):
Pin 8: Chroma oscillation pin (3.58 MHz):
• Oscillation pin for chroma. Either
• Oscillation frequency changeover is
• At 08 D7 0
• Pattern design of pin and oscillator
At 08 D7 1
pin 5 to microcomputer V
when external R
pull-in easily. Tends to be affected
by noise)
by short circuiting 40 k
resistor
one of 4.43 MHz or 3.58 MHz is
oscillated
performed by 08 D7 bit of I
I
oscillation starts
I
MHz, oscillation starts
element should be as short as possi-
ble.
(operates for BGP period)
P1
N1
and I
f
and I
C
P2
N2
Description
turn-on and at 4.43 MHz,
turn-on and at 3.58
V
6
large (Tends to
curve
CC
2
C bus)
2
C bus
AN5195K-C
approx. 0.7 V[p-p]
approx. 2.5 V
high-level
low-level
DC (V)
0.2 V
f
5 V
DC
DC
AC
f
C
15