stm32 /stm32n6 /STM32N647 /SAI1 /SAI_ASR

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Interpret as SAI_ASR

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)OVRUDR 0 (B_0x0)MUTEDET 0 (B_0x0)WCKCFG 0 (B_0x0)FREQ 0 (B_0x0)CNRDY 0 (B_0x0)AFSDET 0 (B_0x0)LFSDET 0 (B_0x0)FLVL

FREQ=B_0x0, MUTEDET=B_0x0, CNRDY=B_0x0, WCKCFG=B_0x0, FLVL=B_0x0, AFSDET=B_0x0, LFSDET=B_0x0, OVRUDR=B_0x0

Description

SAI status register

Fields

OVRUDR

Overrun / underrun.

0 (B_0x0): No overrun/underrun error.

1 (B_0x1): Overrun/underrun error detection.

MUTEDET

Mute detection.

0 (B_0x0): No MUTE detection on the SD input line

1 (B_0x1): MUTE value detected on the SD input line (0 value) for a specified number of consecutive audio frame

WCKCFG

Wrong clock configuration flag.

0 (B_0x0): Clock configuration is correct

1 (B_0x1): Clock configuration does not respect the rule concerning the frame length specification defined in Section 59.4.6: Frame synchronization (configuration of FRL[7:0] bit in the SAI_xFRCR register)

FREQ

FIFO request.

0 (B_0x0): No FIFO request.

1 (B_0x1): FIFO request to read or to write the SAI_xDR.

CNRDY

Codec not ready.

0 (B_0x0): External AC’97 Codec is ready

1 (B_0x1): External AC’97 Codec is not ready

AFSDET

Anticipated frame synchronization detection.

0 (B_0x0): No error.

1 (B_0x1): Frame synchronization signal is detected earlier than expected.

LFSDET

Late frame synchronization detection.

0 (B_0x0): No error.

1 (B_0x1): Frame synchronization signal is not present at the right time.

FLVL

FIFO level threshold.

0 (B_0x0): FIFO empty (transmitter and receiver modes)

1 (B_0x1): FIFO less than or equal to 1/4 but not empty (transmitter mode), FIFO less than 1/4 but not empty (receiver mode)

2 (B_0x2): 1/4 less than FIFO less than or equal to 1/2 (transmitter mode), 1/4 less than or equal to FIFO less than 1/2 (receiver mode)

3 (B_0x3): 1/2 less than FIFO less than or equal to 3/4 (transmitter mode), 1/2 less than or equal to FIFO less than 3/4 (receiver mode)

4 (B_0x4): 3/4 less than FIFO but not full (transmitter mode), 3/4 less than or equal to FIFO but not full (receiver mode)

5 (B_0x5): FIFO full (transmitter and receiver modes)

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