參數(shù)資料
型號(hào): MB90473PFV
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, LQFP-100
文件頁(yè)數(shù): 93/118頁(yè)
文件大小: 1199K
代理商: MB90473PFV
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MB90470 Series
76
20. Interrupt Controller
The interrupt control registers are located in the interrupt controller. An interrupt control register is provided for
each I/O with an interrupt function. The registers have the following functions.
Set the interrupt level of the corresponding peripheral.
(1) Register List
Note : Do not access these registers using read-modify-write instructions as this can cause misoperation.
(2) Block Diagram
--
IL2
IL1
IL0
15
14
13
12
11
10
9
8
ICR00
ICR02
ICR04
ICR06
ICR08
ICR14
: 0000B0H
: 0000B2H
: 0000B4H
: 0000B6H
: 0000B8H
: 0000BEH
ICR01
ICR03
ICR05
ICR07
ICR09
ICR11
ICR13
ICR15
--
-
Re-
served
IL2
IL1
IL0
15
14
13
12
11
10
9
8
: 0000B1H
: 0000B3H
: 0000B5H
: 0000B7H
: 0000B9H
: 0000BBH
: 0000BDH
: 0000BFH
bit
(W)
(R/W)
(R/W) (R/W)
(R/W)
(0)
(1)
(W)
(R/W)
(R/W) (R/W)
(R/W)
(0)
(1)
bit
Re-
served
Interrupt control register
Address:
Read/Write
Initial value
ICR01, 03, 05,
07, 09, 11, 13,
15
Address:
Read/Write
Initial value
ICR00, 02, 04,
26, 08, 10, 12,
14
Re-
IL2
IL1
IL0
32
3
served
Determine
priority
of interrupt
Interrupt request
(peripheral resource)
(CPU)
Interrupt level
F
2 MC-16LX
Bus
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