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參數(shù)資料
| 型號(hào)： | TA1384FNG |
| 廠商： | Toshiba Corporation |
| 英文描述： | Mixer/Oscillator and PLL IC for TV/VCR Tuner |
| 中文描述： | 混頻器/振蕩器和PLL集成電路電視/錄像機(jī)調(diào)諧器 |
| 文件頁數(shù)： | 14/22頁 |
| 文件大?。?/td> | 305K |
| 代理商： | TA1384FNG |
TA1384FNG
2004/11/24
14
●
Rsa, Rsb: Reference frequency divider ratio select bit.
Rsa
Rsb
DIVIDER RATIO
COMPARE
FREQUENCY
15.265kHz
STEP FREQUENCY
1
1
1/256
62.5kHz
0
1
1/512
7.8125kHz
31.25kHz
X
1
1/320
12.5kHz
50kHz
●
OS: tuning amplifier control bit
[0] : tuning amplifier ON (normal operation)
[1] : tuning amplifier OFF (charge pump is sink mode)
●
B4, B3, B2, B1: Band output port control and band change control bit
[0] : band output driver ON
[1] : band output driver OFF
Band
B4
B3
B2
B1
VHF Band
X
X
0
1
VHF Band
X
X
1
0
UHF Band
X
X
0
0
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.
●
POR: power-on reset flag
[0] : normal operation
[1] : reset operation
●
FL: lock detect flag
[0] : unlocked
[1] : locked
●
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
S
ADR
A
[2] Transmitter - 2
S
ADR
A
[3] Transmitter – 3 (This can be applied if control data and bandswitch data have already been programmed.)
S
ADR
A
DIV1
A
[4] Transmitter – 4 (This can be applied if frequency data have already been programmed.)
S
ADR
A
CONT
A
BAND
[5] Transmitter – 5 (This can be applied if frequency counter data and bandswitch data have already been programmed.)
S
ADR
A
CONT
A
P
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.
DIV1
A
DIV2
A
CONT
A
BAND
A
P
CONT
A
BAND
A
DIV1
A
DIV2
A
P
DIV2
A
P
A
P
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