ISD94100 Series Technical Reference Manual
Sep 9, 2019
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Rev1.09
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NCE
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Clock Source Select Control Register 4
(CLK_CLKSEL4)
Register
Offset
R/W Description
Reset Value
CLK_CLKSEL4
0x24
R/W Clock Source Select Control Register 4
0x0000_0000
31
30
29
28
27
26
25
24
Reserved
USBSEL
23
22
21
20
19
18
17
16
Reserved
15
14
13
12
11
10
9
8
Reserved
7
6
5
4
3
2
1
0
Reserved
Bits
Description
[31:25]
Reserved
Reserved. Any values read should be ignored. When writing to this field always write with
reset value.
[24]
USBSEL
USB Clock Source Selection
0 = Clock source from internal high speed RC oscillator (HIRC).
1 = Clock source from PLL.
[23:0]
Reserved
Reserved. Any values read should be ignored. When writing to this field always write with
reset value.
Содержание ISD94100 Series
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