Silicon Labs /SiM3_NRND /SIM3C166_B /I2S_0 /DMACONTROL

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Interpret as DMACONTROL

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 (DISABLED)TXDMAEN 0 (DISABLED)RXDMAEN 0 (ONE_WORD)TXDMABMD 0 (ONE_WORD)RXDMABMD

TXDMABMD=ONE_WORD, RXDMABMD=ONE_WORD, TXDMAEN=DISABLED, RXDMAEN=DISABLED

Description

DMA Control

Fields

TXDMAEN

Transmit DMA Enable.

0 (DISABLED): Disable transmitter DMA data requests.

1 (ENABLED): Enable transmitter DMA data requests.

RXDMAEN

Receive DMA Enable.

0 (DISABLED): Disable receiver DMA data transfer requests.

1 (ENABLED): Enable receiver DMA data transfer requests.

TXDMABMD

Transmit DMA Burst Mode.

0 (ONE_WORD): The transmitter transmits one word at a time. Whenever there is any room in the transmit FIFO, a single word burst DMA data request is generated.

1 (FOUR_WORDS): The transmitter transmits four words at a time. Whenever the FIFO depth drops below five, a DMA burst request is generated for four words.

RXDMABMD

Receive DMA Burst Mode.

0 (ONE_WORD): The receiver receives one word at a time. Whenever there is at least one word in the receive FIFO, a single word burst DMA request is generated.

1 (FOUR_WORDS): The receiver receives four words at a time. Whenever the FIFO depth rises above three, a DMA burst request is generated for four words.

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