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参数资料
| 型号： | SERCON410B |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 1 CHANNEL(S), 4M bps, SERIAL COMM CONTROLLER, PQFP100 |
| 封装： | PLASTIC, QFP-100 |
| 文件页数： | 26/34页 |
| 文件大小： | 682K |
| 代理商： | SERCON410B |
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DATA STRUCTURES WITHIN THE RAM (Continued)
The coding of the five control words depends on the mode of the service channel. Using the slave mode
(SCMASTER = 0) they have the following structure:
Index
Bit
Name
Function
0
HS_AT
Handshake bit in AT
1
BUSY_AT
Busy bit in AT, also waiting for microprocessor interaction
2
ERR_AT
Error bit in AT
3
Error bit in AT
Command modification bit in AT
4-6
ELEM
Data element of present transmission
7
L/S
Read (0)/write (1) of present transmission
8-9
NINFO_WRITE
Number of info words in write buffer (1 to 4)
10-11
(Not used)
12
INT_ELEM_CHANGE
Master has modified data element or read/write
13
INT_END_WRBUF
End of write buffer is reached
14
INT_END_RDBUF
End of read buffer is reached
15
INT_END_MDT
Master reports end via END_MDT-bit
1
0
HS_MDT
Handshake bit in MDT
1
L/S_MDT
Read/write in MDT
2
END_MDT
End bit in MDT
3-5
ELEM_MDT
Data element in MDT
6
(Not used)
7
RECERR
Last transmission was correct (0) or errorneous (1)
8-9
NINFO_READ
Number of info words in read buffer (1 to 4)
10-15
(Not used)
2
0-7
WRDATPT
Pointer to present position in write buffer
8-15
WRDATLAST
Pointer to last position in write buffer
3
0-7
RDDATPT
Pointer to present position in read buffer
8-15
RDDATLAST
Pointer to last position in read buffer
4
0-8
(Not used)
9
INT_SC_ERR
Interrupt due to protocol error
10-15
(Not used)
SERCON410B
28/30
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