Atmel Evaluation Kit for AT32uC3A0512, 32-Bit AVR Microcontroller Atmel ATEVK1105 ATEVK1105 Data Sheet
Product codes
ATEVK1105
80
AT32UC3A
13.6.10
Reset Cause
Name:
RCAUSE
Access Type:
Read-only
•
POR Power-on Reset
The CPU was reset due to the supply voltage being lower than the power-on threshold level.
•
BOD: Brown-out Reset
The CPU was reset due to the supply voltage being lower than the brown-out threshold level.
•
EXT: External Reset Pin
The CPU was reset due to the RESET pin being asserted.
•
WDT: Watchdog Reset
The CPU was reset because of a watchdog timeout.
•
JTAG: JTAG reset
The CPU was reset by setting the bit RC_CPU in the JTAG reset register.
•
CPUERR: CPU Error
The CPU was reset because it had detected an illegal access.
•
OCDRST: OCD Reset
The CPU was reset because the RES strobe in the OCD Development Control register has been written to one.
•
JTAGHARD: JTAG Hard Reset
The chip was reset by setting the bit RC_OCD in the JTAG reset register or by using the JTAG HALT instruction.
31
30
29
28
27
26
25
24
-
-
-
-
-
-
-
-
23
22
21
20
19
18
17
16
-
-
-
-
-
-
-
-
15
14
13
12
11
10
9
8
-
-
-
-
-
-
JTAGHARD
OCDRST
7
6
5
4
3
2
1
0
CPUERR
-
-
JTAG
WDT
EXT
BOD
POR
32058K
AVR32-01/12