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AT697F Datasheet(PDF) 80 Page - ATMEL Corporation

Part # AT697F
Description  Rad-Hard 32 bit SPARC V8 Processor
PDF  155 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT697F Datasheet(HTML) 80 Page - ATMEL Corporation

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Table 34. Program Counters - PC
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
address[31:0]
0x0000 0000
80
7703C–AERO–6/09
AT697F ADVANCE INFORMATION
The 32-bit PC contains the address of the instruction currently being executed by the IU.
When a trap occurs, the PC address is saved in the local register (l1). When returning from trap,
l1 value is copied back to PC.
Table 35. New Program Counters - nPC
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
address[31:0]
0x0000 0004
The nPC holds the address of the next instruction to be executed (assuming a trap does not
occur).
When a trap occurs, the nPC address is saved in the local register (l2). When returning from
trap, l2 value is copied back to nPC.
Table 36. Watch Point Address Registers
Address : %asr24, %asr26, %asr28, %asr30
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
waddr[29:0]
if
r/w
r
r/w
xxxx xxxx
0
0
BitNumber
Mnemonic
Description
31..2
waddr[20:0]
Defines the addresses range to be watched
0
if
Enable hit generation on instruction fetch
0 = disabled
1 = enabled
These registers are accessed using the RDASR/WRASR instructions
Table 37. Watch Point Mask registers
Address :%asr25, %asr27, %asr29, %asr31
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
wmask[29:0]
dl
ds
r/w
r/w r/w
xxxx xxxx
0
0



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