參數(shù)資料
型號: NJW1503AV
廠商: New Japan Radio Co., Ltd.
英文描述: PLL Synthesizer with 3-Wire Bus for TV Tuner
中文描述: PLL合成器與3線總線的電視調(diào)諧器
文件頁數(shù): 5/9頁
文件大?。?/td> 110K
代理商: NJW1503AV
NJW1503A
- 5 -
Serial Bus Data Format (3-Wire bus)
1. Bus protocol for18bit
B3 B2 B1 B0 N13 N12 N11 N10 N9 N8 N7 N6 N5 N4 N3 N2 N1 N0
Reference divider : f
xtal
1/512
2. Bus protocol for19bit
B3 B2 B1 B0 N14 N13 N12 N11 N10 N9 N8 N7 N6 N5 N4 N3 N2 N1 N0
Reference divider : f
xtal
1/1024
3. Bus protocol for Test (27bit)
B3 B2 B1 B0 N14 N13 ...N1 N0 T7 T6 T5 T4 T3 T2 T1 T0
B0 to B3 : Control of Band Switch
N0 to N14 : Control of Programmable Divider N14=MSB N0=LSB
Division ratio : N=2
14
×N14+2
13
× N13+······+2
1
×N1+N0
Maximum division ratio 32767
Minimum division ratio 256
T0 to T7 : Control bit of test
Bit T0: Charge Pump Current
T0
Charge Pump Current
0
1
Bit T1 and T2: Output function of Phase Comparator
T2
T1
0
0
0
1
1
1
1
0
Bit T4: Band Switch Test
T4
Band Switch
0
Normal Operation
1
Bit T5 and T6: Reference Divider
T6
T5
0
0
0
1
1
*
* : don’t care; 0 or 1
The 18bit and 19bit is automatic selector of the reference divider.
T3: unassigned, undefined
(Note)
Default : Power on reset
Conditions
Normal, Default
Test
280uA
60uA
Phase Comparator
Normal Operation
Source
High Impedance
Sink
Conditions
Normal, Default
Test
Test
Test
Conditions
Normal, Default
Test
Test
Reference Divider
1/512
1/1024
1/640
Condition
Normal, Default
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