Module nrf52840_pac::pdm

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Pulse Density Modulation (Digital Microphone) Interface

Modules

enable
PDM module enable register
events_end
The PDM has written the last sample specified by SAMPLE.MAXCNT (or the last sample after a STOP task has been received) to Data RAM
events_started
PDM transfer has started
events_stopped
PDM transfer has finished
gainl
Left output gain adjustment
gainr
Right output gain adjustment
inten
Enable or disable interrupt
intenclr
Disable interrupt
intenset
Enable interrupt
mode
Defines the routing of the connected PDM microphones’ signals
pdmclkctrl
PDM clock generator control
psel
Register block Unspecified
ratio
Selects the ratio between PDM_CLK and output sample rate. Change PDMCLKCTRL accordingly.
sample
Register block Unspecified
tasks_start
Starts continuous PDM transfer
tasks_stop
Stops PDM transfer

Structs

ENABLE
PDM module enable register
EVENTS_END
The PDM has written the last sample specified by SAMPLE.MAXCNT (or the last sample after a STOP task has been received) to Data RAM
EVENTS_STARTED
PDM transfer has started
EVENTS_STOPPED
PDM transfer has finished
GAINL
Left output gain adjustment
GAINR
Right output gain adjustment
INTEN
Enable or disable interrupt
INTENCLR
Disable interrupt
INTENSET
Enable interrupt
MODE
Defines the routing of the connected PDM microphones’ signals
PDMCLKCTRL
PDM clock generator control
PSEL
Register block
RATIO
Selects the ratio between PDM_CLK and output sample rate. Change PDMCLKCTRL accordingly.
RegisterBlock
Register block
SAMPLE
Register block
TASKS_START
Starts continuous PDM transfer
TASKS_STOP
Stops PDM transfer