ST92141 STMicroelectronics, ST92141 Datasheet - Page 61
ST92141
Manufacturer Part Number
ST92141
Description
8/16-bit Mcu For 3-phase Ac Motor Control
Manufacturer
STMicroelectronics
Datasheet
1.ST92141.pdf
(179 pages)
- Current page: 61 of 179
- Download datasheet (3Mb)
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 lines occurs while writing the WUTRH
or WUTRL registers, the pending bit will not be
set.
7
7
WUT6
WUT5
TRIGGER
WUT4
WUT3
REGISTER
WUT2
WUT1
HIGH
WUT8
WUT0
0
0
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 occurred
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 occurred
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.
WUP15 WUP14 WUP13 WUP12 WUP11 WUP10 WUP9
WUP7
7
7
WUP6
WUP5
WUP4
instructions
ST92141 - INTERRUPTS
WUP3
WUP2
(AND,
WUP1
BRES,
61/179
1
WUP8
WUP0
0
0
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