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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 |
| 文件頁數(shù)： | 15/22頁 |
| 文件大小： | 244K |
| 代理商： | W93902 |
W93902
Publication Release Date: October 1997
- 15 -
Revision A3
RXCLK and RXDATA transmission rate option list:
FUNCTION
OPTION
RXCLK rate (T
RXC1
)
Rate1
Rate0
2* data rate
0
0
8* data rate
0
1
16* data rate
1
0
32* data rate
1
1
Table 16
Address Word Format
FUNCTION CODE
CALL ADDRESS
CHECK BITS
ERROR BIT
Bit 0
Bit 1
Bit 2
Bit 3
Address
Bit 4
Bit 5
Bit 6
Bit 7
Bit 21 of
Bit 20 of
0
0
A
address
address
0
1
B
RA0
RA1
RA2
0
word
word
1
0
C
1
1
D
Table 17
Notes:
1. If ERTR = 1, then RA0 indicates a parity error, RA1 indicates the error condition before correction, and RA2 indicates
whether the address has been corrected. For example, if (RA0, RA1, RA2) = (0, 1, 0), then the codeword has no parity error,
there is an error before error correction, but no error is found after correction.
2. The error bit for address code is set when this code matches the address assigned in the setting but is not correctable.
FUNCTION
OPTION
Package Method
NOPKG
With Package(4 / 7 / 8 bit format)
0
Without Package
1
Table 18
Note: When NOPKG = 1, 24 bits will be transferred to the CPU from the decoder and divided into three groups of eight bits.
When NOPKG = 0, five groups of eight bits are transferred.
Message Word Format, NOPKG = 0
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
Package
Message bits
Error flag (note)
7/8 bit
Message bits
ER0
ER1
ER2
ER3
4 bit
Table 19
Note: Error flag = 1 indicates that an error condition has occurred.
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