Nations N32G430 Series User Manual page 68

Bit field Name
9 MSB
8 DBKP
7:5 PLS[2:0]
4 PVDEN
3 CLRSTBF
2 Reserved
1 PDS
Description
MSB of 4bits PVD threshold.
PVD threshold is controlled below:
When the MSB bit is 0, PVD threshold is as:
[MSB, PWR_CTRL.PLS] (4 bits)
0000
0001
0010
0011
0100
0101
0110
0111
When the MSB bit is 1, PVD threshold is as:
[MSB, PWR_CTRL.PLS](4 bits)
1000
1001
1010
1011
1100
1101
1110
1111
Disable backup domain write protection.
In reset state, the RTC and backup registers are protected against unauthorized
access. This bit must be set to enable write protection to these registers.
0: Access to RTC and Backup registers disabled
1: Access to RTC and Backup registers enabled
Note: If the HSE divided by 128 is used as the RTC clock, this bit must remain set to
1.
PVD level selection.
When PVD threshold needs to be set, please configure these bits together with
PWR_CTRL.MSB.
Note: refer to the electrical characteristics section of the data book for details.
Enable of Power voltage detector. Software control.
0: PVD disabled
1: PVD enabled
Clear STANDBY flag. This bit is always read as 0.
0: No effect.
1: Clear the STANDBY.STBYF Flag .
Reserved, the reset value must be maintained.
Power down deep-sleep.
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Voltage
2.18v
2.28v
2.38v
2.48v
2.58v
2.68v
2.78v
2.88v
Voltage
1.78v
1.88v
1.98v
2.08v
3.28v
3.38v
3.48v
3.58v
Nations Technologies Inc.
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Email：info@nationstech.com
Address: Nations Tower, #109 Baoshen Road, Hi-tech Park North.
Nanshan District, Shenzhen, 518057, P.R.China