參數(shù)資料
型號(hào): TA1395FNG
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): 15/24頁
文件大小: 294K
代理商: TA1395FNG
TA1395FNG
2005/05/20
15
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)
B3, B2, B1: Band output port control and band change control bit
The Bandswitch data controls band port, mixer and oscillator, standby mode.
When the standby mode set, it is operating only bus-inter-face and crystal oscillator.
B2, B1 data
Bandswitch Data
Band Output Port
Operation Mixer, Oscillator
B2
B1
BS_V (pin7)
BS_VH (pin8)
0
0
OFF
OFF
UHF
0
1
ON
OFF
VHF
1
0
ON
ON
VHF
1
1
OFF
OFF
OFF (Standby Mode)
B3 data
Bandswitch Data
Band Output Port
Operation Mixer, Oscillator
B3
BS_FM (pin9)
0
OFF
Not relation
1
ON
Not relation
POR: power-on reset flag
[0]
: normal operation
[1] : reset operation
FL: lock detect flag
[0]
: unlocked
[1] : locked
X
: don’t care
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