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參數(shù)資料
| 型號： | LUCW3020CCS-DB |
| 英文描述： | GSM Multiband RF Transceiver |
| 中文描述： | 手機多頻段射頻收發(fā)器 |
| 文件頁數(shù)： | 30/44頁 |
| 文件大?。?/td> | 409K |
| 代理商： | LUCW3020CCS-DB |
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Advance Data Sheet
December 1999
W3020 GSM Multiband RF Transceiver
30
Lucent Technologies Inc.
Programming Information
(continued
)
CONFIG Register
(continued)
Table 41. DT[2:0]: dc Correction Time
Total dc offset calibration time is determined according to the table below. For further information, see the
discussion in the dc Offset Calibration section.
DT[2]
Bit 6
0
0
0
0
1
1
1
1
X
DT[1]
Bit 5
0
0
1
1
0
0
1
1
X
DT[0]
Bit 4
0
1
0
1
0
1
0
1
X
T (RX_Valid)
(μs)
72
131
190
249
309
368
427
486
42 (DP = 1)*
* See Table 21.
Table 42. RS: Reset Bit Content
When set high, all registers except for the CONFIG register are reset to 0. When set low, no action occurs.
RS
Bit 3
0
1
Function
No Function
Reset Other Registers One Time
MAIN Register
1
Last bit in serial sequence
First bit in serial sequence
Bit
2
x
3
x
4
x
5
x
6
x
7
x
8
x
9
x
10
x
11
x
12
x
13
x
14
x
15
x
16
x
17
x
18
x
19
x
20
MO1
MO2
MO3
21
22
23
B
24
A2=0
Bit No.
Note: Bits designated
x
do not apply to W3020.
Programming the MAIN register affects the states of both the W3000 and the W3020. The MO bits (see Table
15) and band bit B (see Table 14) have the same functions as described in the TR Register section. The W3020
state is determined by the most recent programming event to either the MAIN register or the TR register.
A0=0
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