ta1384fng TOSHIBA Semiconductor CORPORATION, ta1384fng Datasheet - Page 14
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ta1384fng
Manufacturer Part Number
ta1384fng
Description
Mixer/oscillator And Pll Ic For Tv/vcr Tuner
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TA1384FNG.pdf
(22 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TA1384FNG
Manufacturer:
TOSHIBA/东芝
Quantity:
20 000
●Rsa, Rsb: Reference frequency divider ratio select bit.
●OS: tuning amplifier control bit
●B4, B3, B2, B1: Band output port control and band change control bit
●POR: power-on reset flag
●FL: lock detect flag
●X : don’t care
-EXAMPLE OF BUS DATA TRANSMITTER-
S: Start
ADR: Address Byte
DIV1: Divider Byte 1 (frequency data)
DIV2: Divider Byte 2 (frequency data)
CONT: Control Byte
BAND: Bandswitch Byte
A: Acknowledge
P: Stop
[1] Transmitter - 1
[2] Transmitter - 2
[3] Transmitter – 3 (This can be applied if control data and bandswitch data have already been programmed.)
[4] Transmitter – 4 (This can be applied if frequency data have already been programmed.)
[5] Transmitter – 5 (This can be applied if frequency counter data and bandswitch data have already been programmed.)
Until the I²C-bus STOP condition is detected, it is possible to input the additional data without transmitting the address
data again. (For example: Frequency sweep is possible with additional frequency data.)
If data transmission is aborted, data programmed before the abort are valid.
Rsa
X
1
0
S
S
S
S
S
[0] : tuning amplifier ON (normal operation)
[1] : tuning amplifier OFF (charge pump is sink mode)
[0] : band output driver ON
[1] : band output driver OFF
[0]
[1] : reset operation
[0]
[1] : locked
When the bandswitch data is [1] for either B1 or B2, VHF mode is effective.
When the bandswitch data is [0] for both B1 and B2, UHF mode is effective.
UHF Band
VHF Band
VHF Band
: normal operation
: unlocked
Band
Rsb
ADR
ADR
ADR
ADR
ADR
1
1
1
B4
X
X
X
A
A
A
A
A
DIVIDER RATIO
1/256
1/512
1/320
B3
X
X
X
CONT
CONT
CONT
DIV1
DIV1
B2
0
1
0
A
A
A
A
A
B1
1
0
0
FREQUENCY
BAND
BAND
COMPARE
DIV2
DIV2
15.265kHz
7.8125kHz
12.5kHz
P
14
A
A
A
A
CONT
DIV1
P
P
STEP FREQUENCY
31.25kHz
62.5kHz
50kHz
A
A
BAND
DIV2
TA1384FNG
A
A
2004/11/24
P
P