SAM3X8E Atmel Corporation, SAM3X8E Datasheet - Page 59
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SAM3X8E
Manufacturer Part Number
SAM3X8E
Description
Manufacturer
Atmel Corporation
- Current page: 59 of 1465
- Download datasheet (26Mb)
11.4.3.4
11.4.3.5
• APSR:
• IPSR:
• EPSR:
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
31
23
15
31
23
15
31
23
15
N
7
7
7
Program Counter
Program Status Register
30
22
14
30
22
14
30
22
14
Z
6
6
6
The Program Counter (PC) is register R15. It contains the current program address. Bit[0] is
always 0 because instruction fetches must be halfword aligned. On reset, the processor loads
the PC with the value of the reset vector, which is at address 0x00000004.
The Program Status Register (PSR) combines:
These registers are mutually exclusive bitfields in the 32-bit PSR. The bit assignments are:
• Application Program Status Register (APSR)
• Interrupt Program Status Register (IPSR)
• Execution Program Status Register (EPSR).
Reserved
29
21
13
29
21
13
29
21
13
C
5
5
5
ICI/IT
Reserved
28
20
12
28
20
12
28
20
12
V
4
4
4
ISR_NUMBER
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
27
19
11
27
19
11
27
19
11
Q
3
3
3
26
18
10
26
18
10
26
18
10
2
2
2
ICI/IT
Reserved
25
17
25
17
25
17
9
1
9
1
9
1
Reserved
SAM3X/A
SAM3X/A
ISR_NUMBER
24
16
24
16
24
16
T
8
0
8
0
8
0
59
59
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