參數(shù)資料
型號: M32000D3FP
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 66.6 MHz, RISC MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 0.65 MM PITCH, PLASTIC, LQFP-100
文件頁數(shù): 116/155頁
文件大?。?/td> 1340K
代理商: M32000D3FP
M32000D3FP User's Manual
EIT
4-27
4.13 Interrupt controller example
4.13.2 High-functionality interrupt controller example
The figure below shows a high-functionality type of external interrupt controller for managing interrupt
______
requests to the INT signal input. It supports the following functions.
interrupt priority level setting (8 levels including interrupt disabled) and mask control
interrupt request arbitration according to interrupt priority levels
vector management for each interrupt input
input sense (edge/level) mode setting
Fig. 4.13.2 Example of high-functionality interrupt controller (block diagram)
INT1
peripheral ASIC etc.
INT
INTn
M32000D3FP
interrupt controller
address bus
data bus
bus control signal
INTn-1
INT2
E/L
INT3
E/L
INTn-2
E/L
mask
compar-
ison
INTn interrupt
control register
INTn interrupt
vector register
interrupt mask register
effective vector register
INT request occurred
Note: E/L is input sense mode switching.
(see note)
23
16
11
determining
priority
by
interrupt
priority
level
determining
priority
by
hardware
priority
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