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DocID024597 Rev 3 1361/1693

RM0351 Serial audio interface (SAI)

1362

39.5.9 Data register (SAI_ADR / SAI_BDR)

Address offset: block A: 0x020

Address offset: block B: 0x040

Reset value: 0x0000 0000

39.5.10 SAI register map

The following table summarizes the SAI registers.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16

DATA[31:16]

rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

DATA[15:0]

rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw

Bits 31:0 DATA[31:0]: Data

A write to this register loads the FIFO provided the FIFO is not full.

A read from this register empties the FIFO if the FIFO is not empty.

Table 214. SAI register map and reset values

Offset

and reset

value

0x0000

SAI_GCR

Reserved

SYNCOUT[1:0]

Reserved.

Reserved

SYNCIN[1:0]

Reset value 00 00

0x0004

0x0024

SAI_xCR1

Reserved

MCJDIV[3:0]

NODIV

Reserved

DMAEN

SAIXEN

Reserved

OUTDRIV

MONO

SYNCEN[1:0]

CKSTR

LSBFIRST

DS[2:0]

Reserved

PRTCFG[1:0]

MODE[1:0]

Reset value 00000 00 000000010 0000

0x0008 or

0x0028

SAI_xCR2

Reserved

COMP[1:0]

CPL

MUTECN[5:0]

MUTE VAL

MUTE

TRIS

FFLUS

FTH

Reset value 0000000000000000

0x000C or

0x002C

SAI_xFRCR

Reserved

FSOFF

FSPOL

FSDEF

Reserved

FSALL[6:0] FRL[7:0]

Reset value 000 000000000000111

Brand	ST
Model	STM32L4x6
Category	Microcontrollers
Language	English

ST STM32L4x6 User Manual

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