參數(shù)資料
型號(hào): M32000D3FP
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 66.6 MHz, RISC MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 0.65 MM PITCH, PLASTIC, LQFP-100
文件頁數(shù): 102/155頁
文件大?。?/td> 1340K
代理商: M32000D3FP
4-14
M32000D3FP User's Manual
EIT
4.8 Exception processing
(4) Branching to the EIT vector entry
Processing branches to address H'0000 0030 in user space. The M32000D3FP carries out hardware
pre-processing up to this point.
(5) Branching from the EIT vector entry to the EIT handler
The M32000D3FP executes the BRA instruction written in address H'0000 0030 of the EIT vector
entry, and branches to the top address of the handler. At the beginning of the EIT handler, the
BPC, the PSW register and any necessary general-purpose registers should be saved in the stack.
(6) Returning from the EIT handler
At the end of the EIT handler, the general-purpose registers, the BPC and the PSW register should
be returned from the stack and the RTE instruction executed. When the RTE instruction is executed,
hardware post-processing is carried out automatically.
Fig. 4.8.2 Address exception (AE) return address example
H'00
address
AE occurrence
H'04
H'08
H'0C
+ 0
+ 1
+ 2
+ 3
H'00
address
AE occurrence
H'04
H'08
H'0C
+ 0
+ 1
+ 2
+ 3
return
address
return
address
BPC
H'06
BPC
H'04
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