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Cypress FM4 Series - HIBRST Register

Cypress FM4 Series
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CHAPTER 7-3: VBAT Domain(B)
FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E 343
7.6 HIBRST Register
HIBRST Register sets the hibernation start.
bit
7
6
5
4
3
2
1
0
Field
Reserved
HIBRST
Attribute
-
R/W
Initial value
-
0
The interface circuit type for this register is type 1.
[bit7:1] Reserved: Reserved bits
These bits read 0b0000000.
In a write access to these bits, write 0b0000000 to them.
[bit0] HIBRST: Hibernation start bit
bit
Description
Reading
A read access reads the value of this bit.
Writing
0
This bit can write 0. But it has no effect on the hibernation operation.
1
Starts the hibernation.
The hibernation can be started if VPFR0 bit in Port Function Setup Register (VBPFR) is set to 1.

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