2 debug unit mode register – Rainbow Electronics AT91CAP9S250A User Manual
Page 418
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418
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
31.5.2
Debug Unit Mode Register
Name:
DBGU_MR
Access Type:
Read/Write
• PAR: Parity Type
• CHMODE: Channel Mode
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
CHMODE
–
–
PAR
–
7
6
5
4
3
2
1
0
–
–
–
–
–
–
–
–
PAR
Parity Type
0
0
0
Even parity
0
0
1
Odd parity
0
1
0
Space: parity forced to 0
0
1
1
Mark: parity forced to 1
1
x
x
No parity
CHMODE
Mode Description
0
0
Normal Mode
0
1
Automatic Echo
1
0
Local Loopback
1
1
Remote Loopback
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