參數(shù)資料
型號: MB91133
廠商: Fujitsu Limited
英文描述: 32-Bit RISC Microcontroller
中文描述: 32位RISC微控制器
文件頁數(shù): 25/123頁
文件大小: 1362K
代理商: MB91133
MB91133/MB91F133
25
Condition Code Register (CCR)
S flag : Specifies the stuck pointer to be used as R15.
I flag
: Controls permission and prohibition of user interruption requests.
N flag : Indicates codes when computation results are defined as integers that are expressed in comple-
ments of 2.
Z flag
: Indicates whether or not a result of the computation is “0” .
V flag : Operands used for computation are defined as integers expressed in complements of 2, and indi-
cate whether or not an overflow is generated as a result of the computation.
C flag : Indicates whether carrying or borrowing is generated from the highest bit as a result of the compu-
tation.
System Condition Code Register (SCR)
T flag
: Specifies whether or not the step trace trap will be valid.
Interruption Level Mask Register
(
ILM
)
ILM4 to ILM0 : Holds the interruption level mask values, and those values that are held by the ILM are used
for the level mask. Interruption requests can be accepted only when the interruption levels
handled within the interruption requests to be input into the CPU are stronger than the levels
shown by the ILM.
ILM4
ILM3
ILM2
ILM1
ILM0
Interruption level
Strength
0
0
0
0
0
0
Strong
0
1
0
0
0
15
1
1
1
1
1
31
Weak
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