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14.2.5
Frequency Select Register
FSR, a 16-bit Read/Write register, is used to select frequency-sampling rate of CS4218 when SM3
slave mode is selected. Bits 15 - 3 in this register are reserved. The other bits in this register are
initialized to 0 at reset. FSR is not initialized in STANDBY mode.
Bit
15
Bit Name
reserved reserved reserved reserved reserved reserved reserved reserved
Initial Value
0
R/W
-
Bit
7
Bit Name
reserved reserved reserved reserved reserved FS2
Initial Value
0
R/W
-
Bit
Description
15 - 3
Reserved
2 - 0
Frequency Select (FS)
000: 8kHz Frequency Sample Rate of CS4218 or CS4271
001: 9.6kHz
010:12kHz
011:16k
100:24k
101:48k
110,111:reserved
14
13
12
0
0
0
-
-
-
6
5
4
0
0
0
-
-
-
11
10
9
0
0
0
-
-
-
3
2
1
FS1
0
0
0
-
R/W
R/W
Rev. 3.0, 03/01, page 189 of 390
8
0
-
0
FS0
0
R/W
Default
0
0
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