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型號：	M32185F4VFP
元件分類：	微控制器/微處理器
英文描述：	32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP144
封裝：	20 X 20 MM, 0.50 MM PITCH, PLASTIC, LQFP-144
文件頁數(shù)：	50/1032頁
文件大小：	5750K
代理商：	M32185F4VFP

32185/32186 Group Hardware Manual

Rev.1.10 REJ09B0235-0110 May 15, 07

4.8 Exception Processing

4.8.1 Reserved Instruction Exception (RIE)

[Occurrence Conditions]

Reserved Instruction Exception (RIE) occurs when a reserved instruction (unimplemented instruc-

tion) is detected. Instruction check is performed on the op-code part of the instruction.

When a reserved instruction exception occurs, the instruction that generated it is not executed. If an

external interrupt is requested at the same time a reserved instruction exception is detected, it is the

reserved instruction exception that is accepted.

[EIT Processing]

(1) Saving SM, IE and C bits

The PSW register’s SM, IE and C bits are saved to the respective backup bits: BSM, BIE and BC.

(2) Updating SM, IE and C bits

The PSW register’s SM, IE and C bits are updated as shown below.

(3) Saving the PC

The PC value of the instruction that generated the reserved instruction exception is set in the BPC regis-

ter. For example, if the instruction that generated the reserved instruction exception is at address 4, the

value 4 is set in the BPC register. Similarly, if the instruction that generated the reserved instruction

exception is at address 6, the value 6 is set in the BPC register. In this case, the value of the BPC register

bit 30 indicates whether the instruction that generated the reserved instruction exception resides on a

word boundary (BPC register bit 30 = "0") or not on a word boundary (BPC register bit 30 = "1").

However, in either case of the above, the address to which the RTE instruction returns after the EIT

handler has terminated is address 4. (This is because the 2 low-order address bits are cleared to ‘00’

when returned to the PC.)

Figure 4.8.1 Example of a Return Address for Reserved Instruction Exception (RIE)

RIE occurred

RIE occurred

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相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
M32186F8VFP	制造商:Renesas Electronics Corporation 功能描述:
M3219	功能描述:電纜固定件和配件 LTCG PG-16 BLACK With 3173 NUT RoHS:否制造商:Heyco 類型:Cable Grips, Liquid Tight 材料:Nylon 顏色:Black 安裝方法:Cable 最大光束直徑:11.4 mm 抗拉強度:
M32192F8TFP#U0	制造商:Renesas Electronics Corporation 功能描述:MCU 32-bit M32R RISC 1024KB Flash 3.3V/5V 144-Pin LQFP
M32192F8VFP	制造商:Renesas Electronics Corporation 功能描述:
M321-SERIES	制造商:未知廠家制造商全稱:未知廠家功能描述:Peripheral IC

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