参数资料
型号: ST72311N4T6/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP64
封装: PLASTIC, TQFP-64
文件页数: 13/92页
文件大小: 624K
代理商: ST72311N4T6/XXX
20/92
ST72311
INTERRUPTS (Cont’d)
Figure 16. Interrupt Processing Flowchart
FROM RESET
EXECUTE INSTRUCTION
STACK PC, X, A, CC
SET I BIT
LOAD PC FROM INTERRUPT VECTOR
RESTORE PC, X, A, CC FROM STACK
INTERRUPT
N
Y
BIT I SET
N
Y
IRET
FETCH NEXT INSTRUCTION
Y
N
THIS CLEARS I BIT BY DEFAULT
VR01172D
20
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