參數(shù)資料
型號: μPD703008
廠商: NEC Corp.
英文描述: 16/32 Bit RISC Microcontrollers(16/32位RISC微控制器)
中文描述: 16/32位RISC微控制器(16/32位的RISC微控制器)
文件頁數(shù): 97/141頁
文件大小: 374K
代理商: ΜPD703008
85
CHAPTER 5 INSTRUCTION
TRAP
Software Trap
Instruction format
TRAP vector
Operation
EIPC
EIPSW
ECR.EICC
PSW.EP
PSW.ID
PC
PC + 4 (return PC)
PSW
interrupt code
1
1
00000040H (vector = 00H-0FH)
00000050H (vector = 10H-1FH)
Format
Format X
Op code
15
0 31
16
00000111111iiiii 0000000100000000
Flag
CY
OV
S
Z
SAT
Instruction
TRAP Trap
Explanation
Saves the return PC and PSW to EIPC and EIPSW, respectively; sets the exception code (EICC
of ECR) and the flags of the PSW (EP and ID flags); jumps to the address of the trap handler
corresponding to the trap vector specified by vector number (0-31), and starts exception
processing. The condition flags are not affected.
The return PC is the address of the instruction following the TRAP instruction.
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