Technical Reference Manual
002-29852 Rev. *B
26.8.38 CSV_REF_SEL
Description:
Select CSV Reference clock for Active domain
Address:
0x40261700
Offset:
0x1700
Retention:
Retained
IsDeepSleep:
Yes
Comment:
Selects a source to be used as the Reference clock for CSV in the Active domain. (matching
CLK_PATH_SELECT.PATH_MUX)
Default:
0x0
Bit-field Table
Bits
7
6
5
4
3
2
1
0
Name
None [7:3]
REF_MUX [2:0]
Bits
15
14
13
12
11
10
9
8
Name
None [15:8]
Bits
23
22
21
20
19
18
17
16
Name
None [23:16]
Bits
31
30
29
28
27
26
25
24
Name
None [31:24]
Bit-fields
Bits Name
SW
HW
Default or
Enum
Description
0:2
REF_MUX
RW
R
0
Selects a source for clock clk_ref_hf. Note that not all
products support all clock sources. Selecting a clock
source that is not supported will result in undefined
behavior. It takes four cycles of the originally selected
clock to switch away from it. Do not disable the original
clock during this time.
IMO
0
IMO - Internal R/C Oscillator
EXTCLK
1
EXTCLK - External Clock Pin
ECO
2
ECO - External-Crystal Oscillator
ALTHF
3
ALTHF - Alternate High-Frequency clock input
(product-specific clock)
1682
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