參數(shù)資料
型號： MB90F372PMT-G
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP144
封裝： 0.40 MM PITCH, PLASTIC, LQFP-144
文件頁數(shù)： 150/153頁
文件大?。?/td> 2503K
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: 0000ACH
76
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: 0000ADH
R/W
WIF
Wake-up Interrupt Flag Register
EIFR
Initial value
Read/write
Bit number
0
P07/KS17
P00/KS10
P01/KS11
P02/KS12
P03/KS13
P04/KS14
P05/KS15
P06/KS16
EICR
EIFR
7
65
4
3210
Interrupt Request Generator
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