st92f124 STMicroelectronics, st92f124 Datasheet - Page 119
st92f124
Manufacturer Part Number
st92f124
Description
8/16-bit Single Voltage Flash Mcu Family With Ram, E3 Tmemulated Eeprom, Can 2.0b And J1850 Blpd
Manufacturer
STMicroelectronics
Datasheet
1.ST92F124.pdf
(426 pages)
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WAKE-UP / INTERRUPT LINES MANAGEMENT UNIT (Cont’d)
WAKE-UP
(WUTRH)
R252 - Read/Write
Register Page: 57
Reset Value: 0000 0000 (00h)
Bit 7:0 = WUT[15:8]: Wake-Up Trigger Polarity
Bits
These bits are set and cleared by software.
0: The corresponding WUPx pending bit will be set
1: The corresponding WUPx pending bit will be set
WAKE-UP TRIGGER REGISTER LOW (WUTRL)
R253 - Read/Write
Register Page: 57
Reset Value: 0000 0000 (00h)
Bit 7:0 = WUT[7:0]: Wake-Up Trigger Polarity Bits
These bits are set and cleared by software.
0: The corresponding WUPx pending bit will be set
1: The corresponding WUPx pending bit will be set
WARNING
1. As the external wake-up lines are edge trig-
2. If either a rising or a falling edge on the external
WUT15 WUT14 WUT13 WUT12 WUT11 WUT10 WUT9
WUT7
on the falling edge of the input wake-up line .
on the rising edge of the input wake-up line.
on the falling edge of the input wake-up line.
on the rising edge of the input wake-up line.
gered, no glitches must be generated on these
lines.
wake-up
WUTRLH or WUTRL registers, the pending bit
will not be set.
7
7
WUT6
WUT5
lines
TRIGGER
WUT4
occurs
WUT3
REGISTER
while
WUT2
writing
WUT1
HIGH
WUT8
WUT0
0
0
the
WAKE-UP PENDING REGISTER HIGH
(WUPRH)
R254 - Read/Write
Register Page: 57
Reset Value: 0000 0000 (00h)
Bit 7:0 = WUP[15:8]: Wake-Up Pending Bits
These bits are set by hardware on occurrence of
the trigger event on the corresponding wake-up
line. They must be cleared by software. They can
be set by software to implement a software inter-
rupt.
0: No Wake-up Trigger event occurred
1: Wake-up Trigger event occured
WAKE-UP PENDING REGISTER LOW (WUPRL)
R255 - Read/Write
Register Page: 57
Reset Value: 0000 0000 (00h)
Bit 7:0 = WUP[7:0]: Wake-Up Pending Bits
These bits are set by hardware on occurrence of
the trigger event on the corresponding wake-up
line. They must be cleared by software. They can
be set by software to implement a software inter-
rupt.
0: No Wake-up Trigger event occurred
1: Wake-up Trigger event occured
Note: To avoid losing a trigger event while clear-
ing the pending bits, it is recommended to use
read-modify-write
BAND) to clear them.
5.12.6 Important Note On WUIMU
Refer to
WUP15 WUP14 WUP13 WUP12 WUP11 WUP10 WUP9
WUP7
7
7
ST92F124/F150/F250 - INTERRUPTS
WUP6
Section 13.1.2 on page
WUP5
WUP4
instructions
WUP3
408.
WUP2
(AND,
WUP1
119/426
BRES,
WUP8
WUP0
9
0
0
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