參數(shù)資料
型號(hào)： MB90F523B
廠商： Fujitsu Limited
英文描述： Octal Transparent D-type Latches With 3-State Outputs 20-CFP -55 to 125
中文描述： 16位微控制器專有
文件頁數(shù)： 59/99頁
文件大?。?/td> 978K
代理商： MB90F523B
MB90520A/520B Series
59
11. Wakeup Interrupts
The wakeup interrupt function detects wakeup interrupt requests from external devices by detecting “L” levels
input to the wakeup interrupt input pins (WI0 to WI7) and passes these to the CPU for interrupt processing.
Wakeup interrupts can be used to wakeup the microcontroller from standby mode. (However, wakeup interrupts
cannot be used to recover from hardware standby mode.)
Not supported by the extended intelligent I/O service (EI
2
OS) .
Wakeup interrupt functions
Block diagram
Function and Control
Input pins
8 channels (8 pins : WI0 to WI7)
“L” level inputs. One interrupt flag is shared by all eight channels.
Interrupt requests can be enabled or disabled in the wakeup interrupt control
register (EICR) .
Interrupt requests are stored in the wakeup interrupt flag register (EIFR) .
Not supported by the extended intelligent I/O service (EI
2
OS) .
Interrupt trigger
Interrupt control
Interrupt flag
EI
2
OS support
WIF
EN7 EN6 EN5 EN4 EN3 EN2 EN1 EN0
WI0
WI1
WI2
WI3
WI4
WI5
WI6
WI7
Internal data bus
Wakeup interrupt
control register (EICR)
Wakeup interrupt
flag register (EIFR)
Interrupt request detection circuit
Pin
Pin
Pin
Pin
Pin
Pin
Pin
Pin
Wakeup
interrupt request
: Undefined
相關(guān)PDF資料
PDF描述
MB90F523BPFF Octal Edge-Triggered D-type Flip-Flops With 3-State Outputs 20-LCCC -55 to 125
MB90F523BPFV Octal Edge-Triggered D-type Flip-Flops With 3-State Outputs 20-CDIP -55 to 125
MB90V520 16-bit Proprietary Microcontroller
MB90522 36-Bit Bus Transceivers With 3-State Outputs 100-LQFP -55 to 125
MB90522PFF Quadruple 2-Input Positive-NAND Gates 14-CDIP -55 to 125
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