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參數(shù)資料
| 型號： | LV25450PNW |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 調(diào)諧器 |
| 英文描述： | AUDIO TUNER, PQFP64 |
| 封裝： | 10 X 10 MM, SQFP-64 |
| 文件頁數(shù)： | 25/40頁 |
| 文件大?。?/td> | 1251K |
| 代理商： | LV25450PNW |
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LV25450PNW
No.A1668-31/40
Continued from preceding page.
No.
Control block/data
Description
Related data
(6)
Tuner mode switching
AM/FM oscillator divisor
OSC_DIV
WB
(1) AM/FM/WB oscillator divisor control
WB
OSC DIV
Divisor
0
Divide by 2
0
1
Divide by 3
1
0
Divide by 1
1
Divide by 1
* : WB: Select 1 for weather band reception
(2) AM oscillator divisor control
OSD D2
OSC D1
Divisor
0
Divide by 10
1
0
Divide by 8
0
1
Divide by 6
1
Divide by 4
In FM mode, only the WB and OSC DIV bits are valid.
In AM mode, this function is set up by combination of the OSC D2, OSC (however, this is
fixed at the divide-by-2 setting) D1, WB, and the OSC DIV bits.
FM (Japan) : Fixed at the divide-by-3 setting
FM (other regions) : Fixed at the divide-by-2 setting
WB : Fixed at the divide-by-1 setting (OK if WB = 1)
In AM mode, set WB = 0, OSC DIV = 0 for the divide-by-2 setting.
The OSC D2 and OSC D1 bits can be set according to end product needs.
Example : USA : (1) <divide by 2> × (2) <divide by 10> = divide by 20
SW2 : (1) <divide by 2> × (2) <divide by 4> = divide by 8
P0 to P15
DVS
(7)
FM IQ mixer phase
adjustment
DELAY_ADJ0 to
DELAY_ADJ1
FM IQ mixer phase adjustment
FM-IQMIX phase_Adjust
DELAY_ADJ2
DELAY_ADJ1
DELAY_ADJ0
Adjustment amount
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Small
↓
Large
OSC_DIV
Continued on next page.
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