參數(shù)資料
型號: M34506M4-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, MICROCONTROLLER, PDSO20
封裝: 5.30 X 12.60 MM, 1.27 MM PITCH, PLASTIC, SOP-20
文件頁數(shù): 111/114頁
文件大?。?/td> 836K
代理商: M34506M4-XXXFP
4
4-7
EIT
32180 Group User’s Manual (Rev.1.0)
4.4 EIT Processing Mechanism
The EIT processing mechanism consists of the M32R CPU core and the interrupt controller for internal peripheral I/
Os. It also has the backup registers for the PC and PSW (the BPC register and the BPSW field of the PSW
register). The EIT processing mechanism is shown below.
4.4 EIT Processing Mechanism
Figure 4.4.1 EIT Processing Mechanism
Interrupt
controller
(ICU)
SBI
EI
Internal
peripheral
I/Os
RESET#
RI
AE, RIE, FPE, TRAP
IE flag
(PSW)
M32R CPU core
SBI#
Low
High
Priority
SBI
EI
RI
M32R/ECU
PSW register
PSW
BPSW
BPC register
PC register
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