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RM0430
Control
Table 89. Use-cases examples for beamforming applications
Use cases
Multiplexer/
gate on schematic
Speech recognition_1
Beamforming4_
DFSDM_1_3
Beamforming4_
DFSDM_3_5
Beamforming4_
DFSDM_5_7
Beamforming4_
DFSDM_1_7
Beamforming6_
DFSDM_1_3_1
Beamforming6_
DFSDM_1_3_3
Table 88. Demultiplexers (DM[6:1]) operation
0
1
-
-
-
-
OFF OFF OFF ON
OFF ON
ON OFF 1 1 0 0 0 0 x x 1 1 1 0 x x x x x 0 1
OFF ON
ON OFF 1 1 0 0 1 1 x 1 1 x 1 0 x x x x x 0 1
OFF ON
ON OFF 1 1 1 1 1 1 1 1 x x 1 0 x x x x x 0 1
OFF ON
ON OFF 1 1 1 1 0 0 1 x x 1 1 0 x x x x x 0 1
ON
ON
ON
ON
ON
ON
ON
ON
DocID029473 Rev 3
Digital filter for sigma delta modulators (DFSDM)
Output 0
input
L
x x x x x x x x x x 0 0 x x x x x 0 0
1 1 0 0 0 0 x x 1 1 1 1 1 0 0 x 1 1 1
1 1 0 0 0 0 x x 1 1 1 1 1 1 1 1 x 1 1
Output 1
L
input
399/1284
441
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