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參數(shù)資料
型號(hào)： 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(jī)的POCSAG 解碼器)
中文描述： TELECOM, PAGING DECODER, PDSO24
封裝： SSOP-24
文件頁(yè)數(shù)： 13/22頁(yè)
文件大?。?/td> 244K
代理商： W93902
W93902
Publication Release Date: October 1997
- 13 -
Revision A3
Error Message, for one-bit random, two-bit random, or four-bit burst error correction method:
ONE-BIT/TWO-BIT RANDOM/4-BIT BURST ERROR CORRECTION METHOD
After
Parity
4-bit Package and ERTR = 1
Correction
Correction
Error
ER0
No error
-
No error
0
No error
-
Error
1
Error
No error
No error
0
Error
No error
Error
1
Error
Error
No error
0
Error
Error
Error
1
Before
7/8-bit Package
Error flag
0
0
0
1
1
1
ER1
0
0
1
1
1
1
ER2
1
1
1
1
1
1
ER3
0
0
0
0
1
1
Table 14
Notes:
1. When ERTR = 0, in the 4-bit package ER0 = 0, ER1 = 1, ER2 = 1, ER3 = Error flag.
2. If 3-bit random errors (or more than three) are detected or five (or more) burst errors are detected, no error correction method will
be activated and ER0 to ER3 will be set or the error flag will be set directly.
Error message, for two-bit random plus four-bit burst error correction method
TWO-BIT RANDOM WITH 4-BIT BURST ERROR CORRECTION METHOD
Detect Random
Detect Burst
Parity
Error
Random/
Burst
4-bit Package and
ERTR = 1
7/8-bit
Package
Before
Correction
After
Correction
Before
Correction
After
Correction
Correct
Result
ER0 ER1 ER2 ER3
Error
Flag
No error
-
No error
-
No error
Original
0
0
0
0
0
No error
-
No error
-
Error
Original
1
0
0
0
0
Error
No error
Error
No error
No error
Burst
0
1
0
0
0
Error
No error
Error
No error
Error
Burst
1
1
0
0
1
Error
Error
Error
Error
No error
Random
0
1
1
1
1
Error
Error
Error
Error
Error
Random
1
1
1
1
1
Error
Error
Error
No error
No error
Burst
0
1
0
1
1
Error
Error
Error
No error
Error
Burst
1
1
0
1
1
Error
No error
Error
Error
No error
Random
0
1
1
0
1
Error
No error
Error
Error
Error
Random
1
1
1
0
1
Table 15
Notes:
1. When ERTR = 0, in the 4-bit package ER0 = 0, ER1 = 1, ER2 = 1, ER3 = Error flag.
2. If 3-bit random errors (or more than three) are detected or five (or more) burst errors are detected, no error correction method will
be activated and the display mode will be set as mode F.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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W9395 制造商:Winslow Adaptics Ltd 功能描述:40/44 way DIL-PLCC plug conversion,W9395
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