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參數資料
| 型號： | W93902 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 尋呼電路 |
| 英文描述： | POCSAG Decoder For Pagers(尋呼機的POCSAG 解碼器) |
| 中文描述： | TELECOM, PAGING DECODER, PDSO24 |
| 封裝： | SSOP-24 |
| 文件頁數： | 11/22頁 |
| 文件大小： | 244K |
| 代理商： | W93902 |
W93902
Publication Release Date: October 1997
- 11 -
Revision A3
Option List NBS1/NBS2/NBS3 Setting
When NBS1 = 0, NBS2 = 0, and NBS3 = 0, the timing is as follows:
BS1
BS2
BS3
T
BS3
T
BS2
32 bits
T
BS2
Figure 6
When NBS1 = 1, NBS2 = 1, and NBS3 = 1, the timing is as follows:
BS1
BS3
BS2
T
BS3 +
T
BS2
32 bits
Figure 7
If the BS1 pin is used to turn RF on, then the pre-on time for RF is equal to T
BS2
(max.11.67 mS). If
the BS3 pin is used to turn RF on, then the pre-on time will be equal to T
BS2
T
BS3
(max.51.67 mS).
The BS3 pin can also be used to turn on the PLL circuit.
FUNCTION
Sync retry times
1
3
5
7
9
11
13
15
OPTION
TD2
0
0
1
1
0
0
1
1
TD1
0
1
0
1
0
1
0
1
TD3
1
1
1
1
0
0
0
0
Table 9
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