AT91FR40161 ATMEL Corporation, AT91FR40161 Datasheet - Page 91

• Manufacturer Part Number: AT91FR40161
• Description: The AT91FR40161 Features 136 K Bytes of On-chip SRAM, 2M Bytes of Flash, an External Bus Interface, a 3-channel Timer/Counter, 2 ...
• Manufacturer: ATMEL Corporation

WD Clock Mode Register
Name:
Access:
Reset Value: 0
Offset:
• WDCLKS: Clock Selection
• HPCV: High Preload Counter Value (Code Label WD_HPCV)
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 (Code Label WD_CKEY)
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.
1354D–ATARM–08/02
0
0
1
1
CKEY
WDCLKS
31
23
15
–
–
7
WD_CMR
Read/Write
0x04
0
1
0
1
30
22
14
–
–
6
–
Clock Selected
MCK/8
MCK/32
MCK/128
MCK/1024
29
21
13
–
–
5
28
20
12
–
–
4
CKEY
HPCV
27
19
11
–
–
3
26
18
10
–
–
2
WD_WDCLKS_MCK1024
WD_WDCLKS_MCK128
WD_WDCLKS_MCK32
WD_WDCLKS_MCK8
Code Label
WD_WDCLKS
AT91X40 Series
25
17
–
–
9
1
WDCLKS
24
16
–
–
8
0
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