ISD91200 Series Technical Reference Manual
Release Date: Sep 16, 2019
- 382 -
Revision 2.4
SD ADC Clock Divider Register (SDADC_CLKDIV)
Register
Offset
R/W
Description
Reset Value
SDADC_CLKDIV
S0x08 R/W
SD ADC Clock Divider Register
0x0000_0000
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
Reserved
7
6
5
4
3
2
1
0
CLKDIV[7:0]
Bits
Description
[31:8]
Reserved
Reserved.
[7:0]
CLKDIV
SD_CLK Clock Divider
SDADC internal clock divider. CLKDIV should be set to give a SD_CLK frequency in
the range of 1.024-6.144MHz. (Refer to 7.1.4.2.)
CLKDIV must be greater than and equal 2.
CLKDIV = SD_CLK/Sample Rate/Down Sample Rate