stm32 /stm32n6 /STM32N657 /ADF /ADF_SADCFGR

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Interpret as ADF_SADCFGR

31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (B_0x0)SNTHR0ANSLP0 (B_0x0)LFRNB0 (B_0x0)HGOVR0ANMIN

SNTHR=B_0x0, LFRNB=B_0x0, HGOVR=B_0x0

Description

ADF SAD configuration register

Fields

SNTHR

Signal to noise threshold

0 (B_0x0): THRless thansub>H less than/sub>is 3.5 dB higher than ANLVL

1 (B_0x1): THRless thansub>H less than/sub>is 6.0 dB higher than ANLVL

2 (B_0x2): THRless thansub>H less than/sub>is 9.5 dB higher than ANLVL

3 (B_0x3): THRless thansub>H less than/sub>is 12 dB higher than ANLVL

4 (B_0x4): THRless thansub>H less than/sub>is 15.6 dB higher than ANLVL

5 (B_0x5): THRless thansub>H less than/sub>is 18 dB higher than ANLVL

6 (B_0x6): THRless thansub>H less than/sub>is 21.6 dB higher than ANLVL

7 (B_0x7): THRless thansub>H less than/sub>is 24.1 dB higher than ANLVL

8 (B_0x8): THRless thansub>H less than/sub>is 27.6 dB higher than ANLVL

9 (B_0x9): THRless thansub>H less than/sub>is 30.1dB higher than ANLVL

ANSLP

Ambient noise slope control

LFRNB

Number of learning frames

0 (B_0x0): 2 frames used to compute the initial noise level

1 (B_0x1): 4 frames used to compute the initial noise level

2 (B_0x2): 8 frames used to compute the initial noise level

3 (B_0x3): 16 frames used to compute the initial noise level

HGOVR

Hangover time window

0 (B_0x0): SAD back to MONITOR state if sound is below threshold for 4 frames

1 (B_0x1): SAD back to MONITOR state if sound is below threshold for 8 frames

2 (B_0x2): SAD back to MONITOR state if sound is below threshold for 16 frames

3 (B_0x3): SAD back to MONITOR state if sound is below threshold for 32 frames

4 (B_0x4): SAD back to MONITOR state if sound is below threshold for 64 frames

5 (B_0x5): SAD back to MONITOR state if sound is below threshold for 128 frames

6 (B_0x6): SAD back to MONITOR state if sound is below threshold for 256 frames

7 (B_0x7): SAD back to MONITOR state if sound is below threshold for 512 frames

ANMIN

Minimum noise level

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