参数资料
型号: ST7PLU09MCTRE
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO8
封装: 0.150 INCH, ROHS COMPLIANT, PLASTIC, SOP-8
文件页数: 75/124页
文件大小: 1995K
代理商: ST7PLU09MCTRE
Power saving modes
ST7LUS5, ST7LU05, ST7LU09
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
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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