ISD91200 Series Technical Reference Manual
Release Date: Sep 16, 2019
- 121 -
Revision 2.4
DPD State Register
(
CLK_DPDSTATE
)
The Deep Power Down State register is a user settable register that is preserved during Deep Power
Down (DPD). Software can use this register to store a single byte during a DPD event. The
DPDSTSRD register reads back the current state of the CLK_DPDSTATE register. To write to this
register, set desired value in the DPDSTSWR register, this value will be latched in to the
CLK_DPDSTATE register on next DPD event.
Register
Offset
R/W Description
Reset Value
CLK_DPDSTATE
0x0C
R/W Deep Power Down State Register
0x0000_XX00
31
30
29
28
27
26
25
24
Reserved
23
22
21
20
19
18
17
16
Reserved
15
14
13
12
11
10
9
8
DPDSTSRD
7
6
5
4
3
2
1
0
DPDSTSWR
Table 5-40 DPD State Register (CLK_DPDSTATE, address 0x5000_020C) Bit Description.
Bits
Description
[31:16]
Reserved
[15:8]
DPDSTSRD
DPD State Read Back
Read back of CLK_DPDSTATE register. This register was preserved from last DPD
event .
[7:0]
DPDSTSWR
DPD State Write Register
Read back of CLK_DPDSTATE register. This register was preserved from last DPD
event .