ISD91200 Series Technical Reference Manual
Release Date: Sep 16, 2019
- 50 -
Revision 2.4
Oscillator Trim 2 Control Register (SYS_OSCTRIM2)
Register
Offset
R/W Description
Reset Value
SYS_OSCTRIM2
0x120
R/W
Internal oscillator trim register 2
0xXXXX_XXXX
31
30
29
28
27
26
25
24
EN2MHZ
Reserved
23
22
21
20
19
18
17
16
Reserved
15
14
13
12
11
10
9
8
TRIM
7
6
5
4
3
2
1
0
TRIM
Table 5-15 Oscillator Frequency Adjust Control Register (OSCTRIM, address 0x5000_0120).
Bits
Description
[31]
EN2MHZ
1: Low Frequency mode of oscillator active (2MHz).
0: High frequency mode (20-50MHz)
[30:16]
Reserved
Reserved
[15:0]
TRIM
16bit sign extended representation of 10bit trim.