Cypress FM4 Series - VDET Register

CHAPTER 7-3: VBAT Domain(B)
344 FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E
7.7 VDET Register
VDET Register indicates the state of power-on circuit and clears the power-on signal.
bit
7
6
5
4
3
2
1
0
Field
PON
Reserved
Attribute
R/W
-
Initial value
1
-
The interface circuit type for this register is type 4.
[bit7] PON: Power-on bit
This bit indicates the state of the power-on circuit and clears the power-on signal.
bit
Description
Reading
0
Indicates that the initialization signal of the power-on circuit has been cleared.
1
Indicates that the power-on circuit has output the initialization signal.
Writing
0
Clears the power-on signal.
1
Writing 1 to this bit has no effect on operation.
[bit6:0] Reserved: Reserved bits
These bits read 0b0000000.
In a write access to these bits, write 0b0000000 to them.