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參數(shù)資料
型號(hào)： 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(qiáng)的無(wú)線電子信息系統(tǒng)尋呼解碼器)
中文描述： TELECOM, PAGING DECODER, PDSO28
封裝： SSOP-28
文件頁(yè)數(shù)： 16/35頁(yè)
文件大?。?/td> 267K
代理商： W93910
W93910
- 16 -
OPTION
FUNCTION
PAEN, GPAEN
PA5
PA0, GPA5
GPA0
Don't care
0
1
Enable
Table 11-2. Paging area setting
REMOTE PROGRAMMING
The W93910 provides remote programming addresses including initial address, paging area, zone
code, and country code to support the remote programming function. These option bits are listed in
Table 12. These temporary addresses can be programmed during the initial setting or modified by the
air message. While receiving the remote programming address message, W93910 will automatic
update the internal remote programming addresses and also pass the programming message to
μ
C
through MDATA pin. The data should be stored for re-initialization purpose. Please refer to Summary of
Data Output Format. If the remote programming data is less than 18 bits, the dummy "0" is filled in the
other low bits of rd17
rd0. For the first time initialization, all the option bits should be "0" including the
RPI. The RPI is the remote programming index, which can be read out from MDW while receiving the
remote programming message.
OPTION BIT
FUNCTION
RPIA17
RPIA0
RPPA5
RPPA0
RPZC2
RPZC0
RPCC6
RPCC0
RPOP2
RPOP0
RPI
Initial Address
Paging Area
Zone Code
Country Code
Operator Code
Remote Programming Index
Table 12. Remote programming register
SYSTEM INFORMATION
By setting the SIEN option bit to 1, the system information can also be read out from TXDATA pin. After
192 option bits setting, if the
μ
C decides to read out the received system information, the
μ
C needs to
send 31 clocks to TXCLK pin. The first clock pulse will switch TXDATA pin from input to output, and the
last clock pulse will disable this function. At the falling edge of the each clock pulse except the first and
last clock one, the system information (batch no, country code, operator code, cycle no., hour) can be
read out from the TXDATA pin. The best timing to read out the system information is right after PLEN
falling edge. The format and timing are shown in Figure 10. This function is disabled if SIEN is set to 0.
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