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ST92F124 Datasheet(PDF) 112 Page - STMicroelectronics

No. de pieza ST92F124
Descripción Electrónicos  8/16-BIT SINGLE VOLTAGE FLASH MCU FAMILY WITH RAM, E3 TMEMULATED EEPROM, CAN 2.0B AND J1850 BLPD
PDF  426 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST92F124 Datasheet(HTML) 112 Page - STMicroelectronics

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ST92F124/F150/F250 - INTERRUPTS
5.12 WAKE-UP / INTERRUPT LINES MANAGEMENT UNIT (WUIMU)
5.12.1 Introduction
The Wake-up/Interrupt Management Unit extends
the number of external interrupt lines from 8 to 23
(depending on the number of external interrupt
lines mapped on external pins of the device).
The 16 additional external Wake-up/interrupt pins
can be programmed as external interrupt lines or
as wake-up lines, able to exit the microcontroller
from low power mode (STOP mode) (see Figure
55).
5.12.2 Main Features
■ Supports up to 16 additional external wake-up
or interrupt lines
■ Wake-Up lines can be used to wake-up the ST9
from STOP mode.
■ Programmable selection of wake-up or interrupt
■ Programmable wake-up trigger edge polarity
■ All Wake-Up Lines maskable
Note: The number of available pins is device de-
pendent. Refer to the device pinout description.
Figure 55. Wake-Up Lines / Interrupt Management Unit Block Diagram
WUTRH
WUTRL
WUPRH
WUPRL
WUMRH
WUMRL
TRIGGERING LEVEL REGISTERS
PENDING REQUEST REGISTERS
MASK REGISTERS
WKUP[7:0]
WKUP[15:8]
10
NMI
WUCTRL
SW SETTING1)
TO CPU
TO RCCU - Stop Mode Control
TO CPU
INTD1 - External Interrupt Channel
Note 1: The reset signal on the Stop bit is stronger than the set signal.
Not Connected
9



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