ta1326fng TOSHIBA Semiconductor CORPORATION, ta1326fng Datasheet - Page 5

• Manufacturer Part Number: ta1326fng
• Description: Uhf Band Rf Modulator Ic For Vtrs
• Manufacturer: TOSHIBA Semiconductor CORPORATION

I
2
C-Bus Data Format
Address Byte
Control Byte 1
Control Byte 2
Prog.Data Byte 1 PD1
Prog.Data Byte 2 PD2
Note 3: Don’t care
1. PS2~PS0: Picture-to-sound ratio setting
No.
Pin
15
16
Sound PLL
loop filter
Digital V CC
Bus data transmission
•
•
•
•
Name
ADR
C1
C2
ADR + C1 + C2 + PD1 + PD2
ADR + PD1 + PD2 + C1 + C2
ADR + C1 + C2
ADR + PD1 + PD2
(5 V)
DC Voltage
(typ.)
⎯
MSB
WO
N3
1
1
0
P/S Ratio
−10dB
−11dB
−12dB
−13dB
−14dB
−15dB
−16dB
−17dB
AC Voltage
(Note 3)
(typ.)
TPSG
PSA
⎯
⎯
N2
1
(Note 3)
(Note 3)
15
N9
N1
PS2
0
0
0
0
0
1
1
1
1
(Note 3)
5
FA1
N8
N0
0
PS1
0
0
1
1
0
0
1
1
Interface
2 kΩ
⎯
RM1
PS2
FA0
N7
1
PS0
(Note 3)
0
1
0
1
0
1
0
1
RM0
PS1
N6
0
D.V
D.GND
(Note 3)
CC
PS0
N5
1
0
Sound VCO oscillation
frequency is compared
with I
sound setting frequency,
and the error is outputted
by Charge pump.
LPF for high frequency
rejection is connected to
this terminal. And the
voltage for sound VCO
control is generated.
The reference frequency
is 20.8 kHz.
Digital power supply
(Note 3)
(Note 3)
TA1326FNG
2
TEST
C bus intercarrier
LSB
N4
0
Note
ACK
ACK
ACK
ACK
ACK
ACK