參數(shù)資料
型號: S1C621A0F0A0100
元件分類: 微控制器/微處理器
英文描述: MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁數(shù): 51/161頁
文件大小: 1037K
代理商: S1C621A0F0A0100
145
32000D–04/2011
AVR32
BREAKPOINT – Software Debug Breakpoint
Architecture revision:
Architecture revision1 and higher.
Description
If the on chip debug system is enabled, this instruction traps a software breakpoint for debugging. The breakpoint instruc-
tion will enter debug mode disabling all interrupts and exceptions. If the on chip debug system is not enabled, this
instruction will execute as a nop.
Operation:
I.
if (SR[DM]==0)
RSR_DBG
← SR;
RAR_DBG
← address of first non-completed instruction;
SR[R]
← 1;
SR[J]
← 1;
SR[D]
← 1;
SR[M2:M0]
← B’110;
SR[DM]
← 1;
SR[EM]
← 1;
SR[GM]
← 1;
PC
← EVBA+0x1C;
else
PC
← PC + 2;
Syntax:
I.
breakpoint
Operands:
None
Status Flags:
Q:
Not affected.
V:
Not affected.
N:
Not affected.
Z:
Not affected.
C:
Not affected.
Opcode:
Note:
If no on chip debug system is implemented, this instruction will execute as a "NOP".
1101011001110011
15
98
43
0
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