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ST7LUS5 датащи(PDF) 54 Page - STMicroelectronics

номер детали ST7LUS5
подробное описание детали  8-bit low cost, low pin-count MCU for automotive,with single voltage Flash memory, ADC, timers
PDF  124 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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ST7LUS5 датащи(HTML) 54 Page - STMicroelectronics

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8.5.1
Register description
AWUFH control/status register (AWUCSR)
AWUCSR
Reset value: 0000 0000 (00h)
7
654
32
10
Reserved
AWUF
AWUM
AWUEN
-
R/W
R/W
R/W
Table 22.
AWUCSR register description
Bit
Name
Function
7:3
-
Reserved
2AWUF
Auto Wake-up Flag
This bit is set by hardware when the AWU module generates an interrupt and
cleared by software on reading AWUCSR. Writing to this bit does not change its
value.
0: No AWU interrupt occurred
1: AWU interrupt occurred
1AWUM
Auto Wake-up Measurement
This bit enables the AWU RC oscillator and connects its output to the input capture
of the 8-bit Lite timer. This allows the timer to be used to measure the AWU RC
oscillator dispersion and then compensate this dispersion by providing the right
value in the AWUPRE register.
0: Measurement disabled
1: Measurement enabled
0AWUEN
Auto Wake-up from Halt Enabled
This bit enables the Auto Wake-up from Halt feature: Once Halt mode is entered,
the AWUFH wakes up the microcontroller after a time delay dependent on the
AWU prescaler value. It is set and cleared by software.
0: AWUFH (Auto Wake-up from Halt) mode disabled
1: AWUFH (Auto Wake-up from Halt) mode enabled
Note: Whatever the clock source, this bit should be set to enable the AWUFH mode
once the HALT instruction has been executed.



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