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參數資料
| 型號： | W93910 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 尋呼電路 |
| 英文描述： | ERMES(Enhanced Radio Emessage System) Paging Protcol Decoder(增強的無線電子信息系統尋呼解碼器) |
| 中文描述： | TELECOM, PAGING DECODER, PDSO28 |
| 封裝： | SSOP-28 |
| 文件頁數： | 26/35頁 |
| 文件大小： | 267K |
| 代理商： | W93910 |
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W93910
- 26 -
ain3
-
0 of CMW
rd17
-
rd0 definition in MDW
Programmable function
0001
RIA17
RIA0
Initial Address
0010
RPA5
RPA0 + 12 dummy '"0"
RZC3 + RCC7 + ROP3 + 5 dummy "0"
Paging Area
0100
OPID
1000
SM5 + HNL3 + 12 dummy "0"
Home receiver battery saving
0111
SM5 + ENL3 + 12 dummy "0"
External receiver battery saving
Table 29. Remote programming MDW format only
f1
-
f0
Function description
00
Add RIA, RPA, ROPID or replace SM
01
Remove RIA, RIA, ROPID
10
Restore SM, ENL, HNL to Table 1
11
Reserve
Table 30. Remote programming MDW format only
AIW Definition
AIW
b7
b6
b5
b4
b3
b2
b1
b0
byte3
0
1
0
cs4
cs3
cs2
cs1
cs0
byte2
lc15
lc14
lc13
lc12
lc11
lc10
lc9
lc8
byte1
lc7
lc6
lc5
lc4
lc3
lc2
lc1
lc0
Table 31. AIW format
The AIW is only available for long message (cm3
cm0 = 1000,1001,1101,1110) or changing character
set (cm3
cm0 = 1111), otherwise it's absent. The cs4
0 indicate character set and lc15
lc0 indicate link
counter. The different formats of AIW for the four different types of long message and changing
character set are listed in
Summary of Data Output Format
.
Each long message is divided into many submessages. The first submessage (cm3
cm0 = 1000 or
1110) must be transmitted first, then other submessages follow in sequence. Each submessage has its
own link counter lc15
lc0, which indicates how many message bits remain to be transmitted. The ter
flag is defined to indicate the end of the long message as shown in Table 28. When ter flag is 1, it
means the long message is completed. Otherwise, it means there are still some other submessages in
the coming signal.
For a long message, the W93910 will store all the received submessages including the EOM and filler
bits in MDW and then send to UC. The filler bits and EOM are the last message part of MDW group,
MDW1, MDW2...MDWn, and need to be removed to construct the long message. The following
equation shows how many message bits of the previous MDW group need to be truncated. The long
message can then be reproduced by connecting all the submessages except the truncated parts.
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