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參數(shù)資料
| 型號： | TUA6020 |
| 廠商： | SIEMENS AG |
| 英文描述： | 2 Band TV Tuner Mixer-Oscillator-PLL with balanced IF-Amplifier(兩波段電視調諧器（帶振蕩器、IF放大器）) |
| 中文描述： | 2波段電視調諧器混頻器振蕩器與均衡的中頻放大器（兩波段電視調諧器（帶振蕩器中頻放大器）鎖相環(huán)） |
| 文件頁數(shù)： | 30/38頁 |
| 文件大?。?/td> | 464K |
| 代理商： | TUA6020 |
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Reference
5 - 10
TUA6020
preliminary
Wireless Components
Specification, March 2000
5.2
Programming
Table 5-4 Bit Allocation Read / Write
Byte
MSB
bit6
bit5
bit4
bit3
bit2
bit1
LSB
Ack
Write Data
Address Byte
1
1
0
0
0
MA1
MA0
0
A
Progr. Divider Byte 1
0
N14
N13
N12
N11
N10
N9
N8
A
Progr. Divider Byte 2
N7
N6
N5
N4
N3
N2
N1
N0
A
Control Byte
1
CP
T1
T0
FP
RSA
RSB
OS
A
Bandswitch Byte
x
x
x
x
x
PHIGH
1).
PLOW
1). 2).
PMID
1). 2).
A
Read Data
Address Byte
1
1
0
0
0
MA1
MA0
1
A
Status Byte
POR
FL
x
x
x
x
x
x
A
1).
see Table 5-9 IC frequency range selection on page 11
2). In a tuner PLOW and PMID are interchangeable. Both bits switch the IC into LOW/MID (VHF) mode.
Table 5-5 Description of symbols
Symbol
Description
MA0, MA1
Address selection bits (
see Table 5-6 Address selection on page 11
)
N14 to N0
programmable divider bits:
N = 2
14
x N14 + 2
13
x N13 + ..... + 2
3
x N3 + 2
2
x N2 + 2
1
x N1 + N0
CP
charge pump current:bit = 0: charge pump current = 50 μA
bit = 1: charge pump current = 220 μA
T1, T0
test bits (
see Table 5-7 Test modes on page 11
)
FP
reserved for future purposes, actually ignored, default: 1
RSA, RSB
reference divider bits (
see Table 5-8 Reference divider ratio on page 11
)
OS
tuning amplifier control bit:bit = 0: enable V
T
bit = 1: disable V
T
PLOW, PMID, PHIGH
NPN ports control bits:bit = 0: NPN open-collector output is inactive
bit = 1: NPN open-collector output is active
(
see Table 5-9 IC frequency range selection on page 11
)
FL
PLL lock flagbit = 1: loop is locked
POR
Power-on reset flag
flag is set at power-on and reset at the end of READ operation
x
don
‘
t care
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