參數(shù)資料
型號: M38049FFLSP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 16.8 MHz, MICROCONTROLLER, PDIP64
封裝: 17 X 56.40 MM, 1.78 MM HEIGHT, PLASTIC, SDIP-64
文件頁數(shù): 52/129頁
文件大?。?/td> 1721K
代理商: M38049FFLSP
Rev.1.00
Oct 27, 2008
Page 29 of 128
REJ03B0266-0100
3804 Group (Spec.L)
Fig. 24 Timing of interrupt request generation, interrupt request bit, and interrupt acceptance
T1
(1) The interrupt request bit for an interrupt request generated during period 1 is set to “1” at timing point IR1.
(2) The interrupt request bit for an interrupt request generated during period 2 is set to “1” at timing point IR1 or IR2.
The timing point at which the bit is set to “1” varies depending on conditions. When two or more interrupt
requests are generated during the period 2, each request bit may be set to “1” at timing point IR1 or IR2
separately.
T1 T2 T3 : Interrupt acceptance timing points
IR1 IR2 : Timings points at which the interrupt request bit is set to “1”.
Note : Period 2 indicates the last
φ cycle during one instruction cycle.
IR1 T2
SYNC
IR2 T3
12
Internal clock
φ
Instruction cycle
Push onto stack
Vector fetch
Instruction cycle
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