STMicroelectronics /STM32F20x /Ethernet_DMA /DMABMR

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Interpret as DMABMR

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 (SR)SR 0 (DA)DA 0DSL0 (EDFE)EDFE 0PBL0RTPR 0 (FB)FB 0RDP0 (USP)USP 0 (FPM)FPM 0 (AAB)AAB 0 (MB)MB

Description

Ethernet DMA bus mode register

Fields

SR

Software reset

DA

DMA Arbitration

DSL

Descriptor skip length

EDFE

Enhanced descriptor format enable

PBL

Programmable burst length

RTPR

Rx Tx priority ratio

FB

Fixed burst

RDP

Rx DMA PBL

USP

Use separate PBL

FPM

4xPBL mode

AAB

Address-aligned beats

MB

Mixed burst

Links

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