參數(shù)資料
型號(hào)： M32180F8VFP
元件分類(lèi)： 微控制器/微處理器
英文描述： 32-BIT, FLASH, 64 MHz, RISC MICROCONTROLLER, PQFP240
封裝： 32 X 32 MM, 0.50 MM PITCH, PLASTIC, QFP-240
文件頁(yè)數(shù)： 3/139頁(yè)
文件大?。?/td> 3774K
代理商： M32180F8VFP
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4
4-11
EIT
32180 Group User’s Manual (Rev.1.0)
4.8 Exception Processing
4.8.1 Reserved Instruction Exception (RIE)
[OccurrenceConditions]
Reserved Instruction Exception (RIE) occurs when a reserved instruction (unimplemented instruction) 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 exter-
nal 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.
BSM
←
SM
BIE
←
IE
BC
←
C
(2) Updating SM, IE and C bits
The PSW register’s SM, IE and C bits are updated as shown below.
SM
←
Unchanged
IE
←
0
C
←
0
(3) Saving the PC
The PC value of the instruction that generated the reserved instruction exception is set in the BPC register.
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)
H'00
Address
RIE occurred
H'04
H'08
H'0C
+0
+1
+2
+3
H'00
Address
RIE occurred
H'04
H'08
H'0C
+0
+1
+2
+3
Return
address
BPC
H'06
BPC
H'04
Return
address
相關(guān)PDF資料
PDF描述
M32182F3VFP 32-BIT, FLASH, 64 MHz, RISC MICROCONTROLLER, PQFP144
M32182F3UFP 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP144
M32182F3TFP 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP144
M32182F3VFP 32-BIT, FLASH, 64 MHz, RISC MICROCONTROLLER, PQFP144
M32182F3TFP 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP144
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M32180T2-PTC 功能描述:DEV CONNECTION CNVTR FOR 32180 G RoHS:否 類(lèi)別:編程器，開(kāi)發(fā)系統(tǒng) >> 配件 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program RoHS指令信息:IButton RoHS Compliance Plan 標(biāo)準(zhǔn)包裝:1 系列:- 附件類(lèi)型:USB 至 1-Wire? RJ11 適配器 適用于相關(guān)產(chǎn)品:1-Wire? 設(shè)備 產(chǎn)品目錄頁(yè)面:1429 (CN2011-ZH PDF)
M32182F3TFP 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:32-BIT RISC SINGLE-CHIP MICROCOMPUTER M32R FAMILY / M32R/ECU SERIES
M32182F3UFP 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:32-BIT RISC SINGLE-CHIP MICROCOMPUTER M32R FAMILY / M32R/ECU SERIES
M32182F3VFP 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:32-BIT RISC SINGLE-CHIP MICROCOMPUTER M32R FAMILY / M32R/ECU SERIES
M32182F8TFP 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:32-BIT RISC SINGLE-CHIP MICROCOMPUTER M32R FAMILY / M32R/ECU SERIES
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