參數(shù)資料
型號(hào): SAF-C164CI-8RM
廠商: INFINEON TECHNOLOGIES AG
英文描述: 16-Bit Single-Chip Microcontroller
中文描述: 16位單片機(jī)
文件頁(yè)數(shù): 23/68頁(yè)
文件大?。?/td> 1107K
代理商: SAF-C164CI-8RM
C164CM
C164SM
Data Sheet
19
V1.0, 2001-05
The C164CM also provides an excellent mechanism to identify and to process
exceptions or error conditions that arise during run-time, so-called
Hardware Traps
.
Hardware traps cause immediate non-maskable system reaction which is similar to a
standard interrupt service (branching to a dedicated vector table location). The
occurrence of a hardware trap is additionally signified by an individual bit in the trap flag
register (TFR). Except when another higher prioritized trap service is in progress, a
hardware trap will interrupt any actual program execution. In turn, hardware trap services
can normally not be interrupted by standard or PEC interrupts.
Table 4
shows all of the possible exceptions or error conditions that can arise during run-
time:
Table 4
Exception Condition
Hardware Trap Summary
Trap
Flag
Trap
Vector
Vector
Location
Trap
Number
Trap
Priority
Reset Functions:
Hardware Reset
Software Reset
W-dog Timer Overflow
Class A Hardware Traps:
Non-Maskable Interrupt
Stack Overflow
Stack Underflow
Class B Hardware Traps:
Undefined Opcode
Protected Instruction
Fault
Illegal Word Operand
Access
Illegal Instruction
Access
Illegal External Bus
Access
Reserved
RESET
RESET
RESET
00
0000
H
00
0000
H
00
0000
H
00
H
00
H
00
H
III
III
III
NMI
STKOF
STKUF
NMITRAP
STOTRAP
STUTRAP
00
0008
H
00
0010
H
00
0018
H
02
H
04
H
06
H
II
II
II
UNDOPC
PRTFLT
ILLOPA
ILLINA
ILLBUS
BTRAP
BTRAP
BTRAP
BTRAP
BTRAP
00
0028
H
00
0028
H
00
0028
H
00
0028
H
00
0028
H
0A
H
0A
H
0A
H
0A
H
0A
H
I
I
I
I
I
[2C
H
3C
H
]
Any
[00
0000
H
00
01FC
H
]
in steps
of 4
H
[0B
H
0F
H
]
Any
[00
H
7F
H
]
Software Traps
TRAP Instruction
Current
CPU
Priority
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