Digital filter for sigma delta modulators (DFSDM)
Bits 11:8 CLRAWHTF[3:0]: Clear the analog watchdog high threshold flag
CLRAWHTF[y]=0: Writing '0' has no effect
CLRAWHTF[y]=1: Writing '1' to position y clears the corresponding AWHTF[y] bit in the
DFSDM_FLTxAWSR register
Bits 7:4 Reserved, must be kept at reset value.
Bits 3:0 CLRAWLTF[3:0]: Clear the analog watchdog low threshold flag
CLRAWLTF[y]=0: Writing '0' has no effect
CLRAWLTF[y]=1: Writing '1' to position y clears the corresponding AWLTF[y] bit in the
DFSDM_FLTxAWSR register
14.8.13
DFSDM filter x extremes detector maximum register
(DFSDM_FLTxEXMAX)
Address offset: 0x130 + 0x80 * x, (x = 0 to 1)
Reset value: 0x8000 0000
31
30
29
rs_r
rc_r
rc_r
15
14
13
rc_r
rc_r
rc_r
Bits 31:8 EXMAX[23:0]: Extremes detector maximum value
These bits are set by hardware and indicate the highest value converted by DFSDM_FLTx.
EXMAX[23:0] bits are reset to value (0x800000) by reading of this register.
Bits 7:2 Reserved, must be kept at reset value.
Bits 1:0 EXMAXCH[1:0]: Extremes detector maximum data channel.
These bits contains information about the channel on which the data is stored into EXMAX[23:0].
Bits are cleared by reading of this register.
14.8.14
DFSDM filter x extremes detector minimum register
(DFSDM_FLTxEXMIN)
Address offset: 0x134 + 0x80 * x, (x = 0 to 1)
Reset value: 0x7FFF FF00
31
30
29
rc_r
rs_r
rs_r
15
14
13
rs_r
rs_r
rs_r
394/1163
28
27
26
25
rc_r
rc_r
rc_r
rc_r
12
11
10
9
EXMAX[7:0]
rc_r
rc_r
rc_r
rc_r
28
27
26
25
rs_r
rs_r
rs_r
rs_r
12
11
10
9
EXMIN[7:0]
rs_r
rs_r
rs_r
rs_r
24
23
22
EXMAX[23:8]
rc_r
rc_r
rc_r
8
7
6
Res.
Res.
rc_r
24
23
22
EXMIN[23:8]
rs_r
rs_r
rs_r
8
7
6
Res.
Res.
rs_r
RM0402 Rev 6
21
20
19
18
rc_r
rc_r
rc_r
rc_r
5
4
3
2
Res.
Res.
Res.
Res.
21
20
19
18
rs_r
rs_r
rs_r
rs_r
5
4
3
2
Res.
Res.
Res.
Res.
RM0402
17
16
rc_r
rc_r
1
0
EXMAXCH[1:0]
r
r
17
16
rs_r
rs_r
1
0
EXMINCH[1:0]
r
r
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