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ST72561AR7-Auto Datasheet(PDF) 72 Page - STMicroelectronics

Part # ST72561AR7-Auto
Description  Clock, reset and supply management
PDF  324 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72561AR7-Auto Datasheet(HTML) 72 Page - STMicroelectronics

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Power saving modes
ST72561-Auto
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Doc ID 12370 Rev 8
In AWU mode, the period that the MCU stays in Halt Mode (tAWU in Figure 30) is defined by
This prescaler register can be programmed to modify the time that the MCU stays in Halt
mode before waking up automatically.
Note:
If 00h is written to AWUPR, depending on the product, an interrupt is generated immediately
after a HALT instruction or the AWUPR remains unchanged.
FEh
254
FFh
255
Table 23.
AWUPR prescaler (continued)
AWUPR[7:0]
Dividing factor
t
AWU
64
AWUP
1
t
AWURC
----------------------
t
RCSTRT
+
×
×
=
Table 24.
AWU register map and reset values
Address
(Hex.)
Register
Label
7
654
32
10
002Bh
AWUCSR
Reset value
0
000
0
AWUF
0
AWUM
0
AWUEN
0
002Ch
AWUPR
Reset value
AWUPR7
1
AWUPR6
1
AWUPR5
1
AWUPR4
1
AWUPR3
1
AWUPR2
1
AWUPR1
1
AWUPR0
1



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