AT91M40400 View Datasheet(PDF) - Atmel Corporation
Part Name
Description
MFG CO.
'AT91M40400' PDF : 116 Pages View PDF
WD Clock Mode Register
Name:
Access:
Reset Value:
WD_CMR
Read/Write
0
31
30
29
28
27
26
25
24
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---
---
---
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23
22
21
20
19
18
17
16
---
---
---
---
---
---
---
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15
14
13
12
11
10
9
8
CKEY
7
6
5
4
3
2
1
0
CKEY
---
HPCV
WDCLKS
• WDCLKS: Clock Selection
WDCLKS
0
0
0
1
1
0
1
1
Clock Selected
MCKI/8
MCKI/32
MCKI/128
MCKI/1024
• HPCV: High Preload Counter Value
Counter is preloaded when watchdog counter is restarted with bits 0 to 11 set (FFF) and bits 12 to 15 equaling HPCV.
• CKEY: Clock Access Key
Used only when writing WD_CMR. CKEY is read as 0.
0x06E: Write access in WD_CMR is allowed.
Other value: Write access in WD_CMR is prohibited.
108
AT91M40400
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