Silicon Labs /Series1 /WGM160 /WGM160PX22KGA2 /ETH /DMACFG

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Interpret as DMACFG

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 0AMBABRSTLEN 0 (HDRDATASPLITEN)HDRDATASPLITEN 0 (SIZE0)RXPBUFSIZE 0 (TXPBUFSIZE)TXPBUFSIZE 0 (TXPBUFTCPEN)TXPBUFTCPEN 0 (INFLASTDBUFSIZEEN)INFLASTDBUFSIZEEN 0RXBUFSIZE0 (FRCDISCARDONERR)FRCDISCARDONERR 0 (FRCMAXAMBABRSTRX)FRCMAXAMBABRSTRX 0 (FRCMAXAMBABRSTTX)FRCMAXAMBABRSTTX 0 (RXBDEXTNDMODEEN)RXBDEXTNDMODEEN 0 (TXBDEXTENDMODEEN)TXBDEXTENDMODEEN

RXPBUFSIZE=SIZE0

Description

DMA Configuration Register

Fields

AMBABRSTLEN

Selects the burst length to use on the AMBA (AHB) when transferring frame data.

HDRDATASPLITEN

Enable header data Splitting.

RXPBUFSIZE

Receiver packet buffer memory size select.

0 (SIZE0): Do not use top three address bits (0.5 Kb)

1 (SIZE1): Do not use top two address bits (1 Kb)

2 (SIZE2): Do not use top address bit (2 Kb)

3 (SIZE3): Use full configured addressable space (4 Kb)

TXPBUFSIZE

Transmitter packet buffer memory size select.

TXPBUFTCPEN

Transmitter IP, TCP and UDP checksum generation offload enable

INFLASTDBUFSIZEEN

Forces the DMA

RXBUFSIZE

DMA receive buffer size in external AMBA (AHB) system memory.

FRCDISCARDONERR

Auto Discard RX pkts during lack of resource.

FRCMAXAMBABRSTRX

Force max length bursts on RX.

FRCMAXAMBABRSTTX

Force max length bursts on TX.

RXBDEXTNDMODEEN

Enable RX extended BD mode.

TXBDEXTENDMODEEN

Enable TX extended BD mode.

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