block/PDM:
  description: Pulse Density Modulation (Digital Microphone) Interface.
  items:
  - name: TASKS_START
    description: Starts continuous PDM transfer.
    byte_offset: 0
    access: Write
  - name: TASKS_STOP
    description: Stops PDM transfer.
    byte_offset: 4
    access: Write
  - name: EVENTS_STARTED
    description: PDM transfer has started.
    byte_offset: 256
  - name: EVENTS_STOPPED
    description: PDM transfer has finished.
    byte_offset: 260
  - name: EVENTS_END
    description: 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.
    byte_offset: 264
  - name: INTEN
    description: Enable or disable interrupt.
    byte_offset: 768
    fieldset: INTEN
  - name: INTENSET
    description: Enable interrupt.
    byte_offset: 772
    fieldset: INTENSET
  - name: INTENCLR
    description: Disable interrupt.
    byte_offset: 776
    fieldset: INTENCLR
  - name: ENABLE
    description: PDM module enable register.
    byte_offset: 1280
    fieldset: ENABLE
  - name: PDMCLKCTRL
    description: PDM clock generator control.
    byte_offset: 1284
    fieldset: PDMCLKCTRL
  - name: MODE
    description: Defines the routing of the connected PDM microphones' signals.
    byte_offset: 1288
    fieldset: MODE
  - name: GAINL
    description: Left output gain adjustment.
    byte_offset: 1304
    fieldset: GAINL
  - name: GAINR
    description: Right output gain adjustment.
    byte_offset: 1308
    fieldset: GAINR
  - name: PSEL
    description: Unspecified.
    byte_offset: 1344
    block: PSEL
  - name: SAMPLE
    description: Unspecified.
    byte_offset: 1376
    block: SAMPLE
block/PSEL:
  description: Unspecified.
  items:
  - name: CLK
    description: Pin number configuration for PDM CLK signal.
    byte_offset: 0
    fieldset: PSEL_CLK
  - name: DIN
    description: Pin number configuration for PDM DIN signal.
    byte_offset: 4
    fieldset: PSEL_DIN
block/SAMPLE:
  description: Unspecified.
  items:
  - name: PTR
    description: RAM address pointer to write samples to with EasyDMA.
    byte_offset: 0
    fieldset: PTR
  - name: MAXCNT
    description: Number of samples to allocate memory for in EasyDMA mode.
    byte_offset: 4
    fieldset: MAXCNT
fieldset/ENABLE:
  description: PDM module enable register.
  fields:
  - name: ENABLE
    description: Enable or disable PDM module.
    bit_offset: 0
    bit_size: 1
    enum: ENABLE
fieldset/GAINL:
  description: Left output gain adjustment.
  fields:
  - name: GAINL
    description: Left output gain adjustment, in 0.5 dB steps, around the default module gain (see electrical parameters) 0x00 -20 dB gain adjust 0x01 -19.5 dB gain adjust (...) 0x27 -0.5 dB gain adjust 0x28 0 dB gain adjust 0x29 +0.5 dB gain adjust (...) 0x4F +19.5 dB gain adjust 0x50 +20 dB gain adjust.
    bit_offset: 0
    bit_size: 7
    enum: GAINL
fieldset/GAINR:
  description: Right output gain adjustment.
  fields:
  - name: GAINR
    description: Right output gain adjustment, in 0.5 dB steps, around the default module gain (see electrical parameters).
    bit_offset: 0
    bit_size: 8
    enum: GAINR
fieldset/INTEN:
  description: Enable or disable interrupt.
  fields:
  - name: STARTED
    description: Enable or disable interrupt for STARTED event.
    bit_offset: 0
    bit_size: 1
    enum: INTEN_STARTED
  - name: STOPPED
    description: Enable or disable interrupt for STOPPED event.
    bit_offset: 1
    bit_size: 1
    enum: INTEN_STOPPED
  - name: END
    description: Enable or disable interrupt for END event.
    bit_offset: 2
    bit_size: 1
    enum: INTEN_END
fieldset/INTENCLR:
  description: Disable interrupt.
  fields:
  - name: STARTED
    description: Write '1' to Disable interrupt for STARTED event.
    bit_offset: 0
    bit_size: 1
    enum: INTENCLR_STARTED
  - name: STOPPED
    description: Write '1' to Disable interrupt for STOPPED event.
    bit_offset: 1
    bit_size: 1
    enum: INTENCLR_STOPPED
  - name: END
    description: Write '1' to Disable interrupt for END event.
    bit_offset: 2
    bit_size: 1
    enum: INTENCLR_END
fieldset/INTENSET:
  description: Enable interrupt.
  fields:
  - name: STARTED
    description: Write '1' to Enable interrupt for STARTED event.
    bit_offset: 0
    bit_size: 1
    enum: INTENSET_STARTED
  - name: STOPPED
    description: Write '1' to Enable interrupt for STOPPED event.
    bit_offset: 1
    bit_size: 1
    enum: INTENSET_STOPPED
  - name: END
    description: Write '1' to Enable interrupt for END event.
    bit_offset: 2
    bit_size: 1
    enum: INTENSET_END
fieldset/MAXCNT:
  description: Number of samples to allocate memory for in EasyDMA mode.
  fields:
  - name: BUFFSIZE
    description: Length of DMA RAM allocation in number of samples.
    bit_offset: 0
    bit_size: 15
fieldset/MODE:
  description: Defines the routing of the connected PDM microphones' signals.
  fields:
  - name: OPERATION
    description: Mono or stereo operation.
    bit_offset: 0
    bit_size: 1
    enum: OPERATION
  - name: EDGE
    description: Defines on which PDM_CLK edge Left (or mono) is sampled.
    bit_offset: 1
    bit_size: 1
    enum: EDGE
fieldset/PDMCLKCTRL:
  description: PDM clock generator control.
  fields:
  - name: FREQ
    description: PDM_CLK frequency.
    bit_offset: 0
    bit_size: 32
    enum: FREQ
fieldset/PSEL_CLK:
  description: Pin number configuration for PDM CLK signal.
  fields:
  - name: PIN
    description: Pin number.
    bit_offset: 0
    bit_size: 5
  - name: CONNECT
    description: Connection.
    bit_offset: 31
    bit_size: 1
    enum: PSEL_CLK_CONNECT
fieldset/PSEL_DIN:
  description: Pin number configuration for PDM DIN signal.
  fields:
  - name: PIN
    description: Pin number.
    bit_offset: 0
    bit_size: 5
  - name: CONNECT
    description: Connection.
    bit_offset: 31
    bit_size: 1
    enum: PSEL_DIN_CONNECT
fieldset/PTR:
  description: RAM address pointer to write samples to with EasyDMA.
  fields:
  - name: SAMPLEPTR
    description: Address to write PDM samples to over DMA.
    bit_offset: 0
    bit_size: 32
enum/EDGE:
  bit_size: 1
  variants:
  - name: LeftFalling
    description: Left (or mono) is sampled on falling edge of PDM_CLK.
    value: 0
  - name: LeftRising
    description: Left (or mono) is sampled on rising edge of PDM_CLK.
    value: 1
enum/ENABLE:
  bit_size: 1
  variants:
  - name: Disabled
    description: Disable.
    value: 0
  - name: Enabled
    description: Enable.
    value: 1
enum/FREQ:
  bit_size: 32
  variants:
  - name: 1000K
    description: PDM_CLK = 32 MHz / 32 = 1.000 MHz.
    value: 134217728
  - name: Default
    description: PDM_CLK = 32 MHz / 31 = 1.032 MHz.
    value: 138412032
  - name: 1067K
    description: PDM_CLK = 32 MHz / 30 = 1.067 MHz.
    value: 142606336
enum/GAINL:
  bit_size: 7
  variants:
  - name: MinGain
    description: -20dB gain adjustment (minimum).
    value: 0
  - name: DefaultGain
    description: 0dB gain adjustment ('2500 RMS' requirement).
    value: 40
  - name: MaxGain
    description: +20dB gain adjustment (maximum).
    value: 80
enum/GAINR:
  bit_size: 8
  variants:
  - name: MinGain
    description: -20dB gain adjustment (minimum).
    value: 0
  - name: DefaultGain
    description: 0dB gain adjustment ('2500 RMS' requirement).
    value: 40
  - name: MaxGain
    description: +20dB gain adjustment (maximum).
    value: 80
enum/INTENCLR_END:
  bit_size: 1
  variants:
  - name: Disabled
    description: 'Read: Disabled.'
    value: 0
  - name: R_Enabled_W_Clear
    description: 'Read: Enabled.'
    value: 1
enum/INTENCLR_STARTED:
  bit_size: 1
  variants:
  - name: Disabled
    description: 'Read: Disabled.'
    value: 0
  - name: R_Enabled_W_Clear
    description: 'Read: Enabled.'
    value: 1
enum/INTENCLR_STOPPED:
  bit_size: 1
  variants:
  - name: Disabled
    description: 'Read: Disabled.'
    value: 0
  - name: R_Enabled_W_Clear
    description: 'Read: Enabled.'
    value: 1
enum/INTENSET_END:
  bit_size: 1
  variants:
  - name: Disabled
    description: 'Read: Disabled.'
    value: 0
  - name: R_Enabled_W_Set
    description: 'Read: Enabled.'
    value: 1
enum/INTENSET_STARTED:
  bit_size: 1
  variants:
  - name: Disabled
    description: 'Read: Disabled.'
    value: 0
  - name: R_Enabled_W_Set
    description: 'Read: Enabled.'
    value: 1
enum/INTENSET_STOPPED:
  bit_size: 1
  variants:
  - name: Disabled
    description: 'Read: Disabled.'
    value: 0
  - name: R_Enabled_W_Set
    description: 'Read: Enabled.'
    value: 1
enum/INTEN_END:
  bit_size: 1
  variants:
  - name: Disabled
    description: Disable.
    value: 0
  - name: Enabled
    description: Enable.
    value: 1
enum/INTEN_STARTED:
  bit_size: 1
  variants:
  - name: Disabled
    description: Disable.
    value: 0
  - name: Enabled
    description: Enable.
    value: 1
enum/INTEN_STOPPED:
  bit_size: 1
  variants:
  - name: Disabled
    description: Disable.
    value: 0
  - name: Enabled
    description: Enable.
    value: 1
enum/OPERATION:
  bit_size: 1
  variants:
  - name: Stereo
    description: Sample and store one pair (Left + Right) of 16bit samples per RAM word R=[31:16]; L=[15:0].
    value: 0
  - name: Mono
    description: Sample and store two successive Left samples (16 bit each) per RAM word L1=[31:16]; L0=[15:0].
    value: 1
enum/PSEL_CLK_CONNECT:
  bit_size: 1
  variants:
  - name: Connected
    description: Connect.
    value: 0
  - name: Disconnected
    description: Disconnect.
    value: 1
enum/PSEL_DIN_CONNECT:
  bit_size: 1
  variants:
  - name: Connected
    description: Connect.
    value: 0
  - name: Disconnected
    description: Disconnect.
    value: 1