參數(shù)資料
型號: MB90F372PMT-G
廠商: Fujitsu Limited
英文描述: 16-bit Proprietary Microcontroller
中文描述: 16位微控制器專有
文件頁數(shù): 96/153頁
文件大?。?/td> 1573K
代理商: MB90F372PMT-G
MB90370 Series
96
21. Wake-up interrupt
The wake-up interrupt circuit detects the signals of the
L
levels input to the external interrupt pins and to
generate interrupt request to the CPU. These interrupts can wake up the CPU from standby mode.
Wake-up interrupt pins:
8 pins (P00/KSI0 to P07/KSI7).
Wake-up interrupt sources:
L
level signal input to a wake-up interrupt pin.
Interrupt control:
Enables or disables to input wake-up interrupt controlled by
wake-up interrupt control register (EICR).
Interrupt flag:
IRQ flag bit of wake-up interrupt flag register (EIFR). Flag set
when there is an IRQ.
Interrupt request:
Interrupt request #20 is generated if any enabled external
interrupt pin goes LOW.
(1) Register configuration of wake-up interrupt
(2) Block diagram of wake-up interrupt
Address: 0000AC
H
7
6
5
4
3
2
1
0
Wake-up Interrupt Control Register
EICR
Bit number
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
Initial value
Read/write
EN7
EN6
EN3
EN2
EN1
EN0
EN5
EN4
15
14
13
12
11
10
9
8
Address: 0000AD
H
R/W
0
WIF
Wake-up Interrupt Flag Register
EIFR
Initial value
Read/write
Bit number
P07/KS17
P00/KS10
P01/KS11
P02/KS12
P03/KS13
P04/KS14
P05/KS15
P06/KS16
EICR
EIFR
7
6
5
4
3
2
1
0
Interrupt Request Generator
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