at91rm3400 ATMEL Corporation, at91rm3400 Datasheet - Page 159

• Manufacturer Part Number: at91rm3400
• Description: Atmel Advanced At91 Arm Microcontroller
• Manufacturer: ATMEL Corporation

System Timer (ST) User Interface
Table 32. System Timer Registers
ST Control Register
Register Name: ST_CR
Access Type:
• WDRST: Watchdog Timer Restart
0 = No effect.
1 = Reload the start-up value in the watchdog timer.
1790A–ATARM–11/03
Offset
0x0000
0x0004
0x0008
0x000C
0x0010
0x0014
0x0018
0x001C
0x0020
0x0024
31
23
15
–
–
–
7
–
Write-only
Register
Control Register
Period Interval Mode Register
Watchdog Mode Register
Real-time Mode Register
Status Register
Interrupt Enable Register
Interrupt Disable Register
Interrupt Mask Register
Real-time Alarm Register
Current Real-time Register
30
22
14
–
–
–
6
–
29
21
13
–
–
–
5
–
28
20
12
–
–
–
4
–
Name
ST_CR
ST_PIMR
ST_WDMR
ST_RTMR
ST_SR
ST_IER
ST_IDR
ST_IMR
ST_RTAR
ST_CRTR
27
19
11
–
–
–
3
–
26
18
10
–
–
–
2
–
Read/Write
Read/Write
Read/Write
Read/Write
Write-only
Read-only
Write-only
Write-only
Write-only
Read-only
Access
AT91RM3400
25
17
–
–
9
–
1
–
Reset Value
0x00000000
0x00020000
0x00008000
0x0
0x0
0x0
WDRST
–
–
–
–
24
16
–
–
8
–
0
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