HD6417618 datasheet(301/646 Pages) RENESAS

301 / 646 page

Section 12 Ethernet Controller Direct Memory Access Controller (E-DMAC)

Rev. 6.00 Jun. 12, 2007 Page 269 of 610

REJ09B0131-0600

Bit

Bit Name

Initial

value

R/W

Description

TRO

R/W

Transmit Retry Over

Indicates that a retry-over condition has occurred

during frame transmission. Total 16 transmission

retries including 15 retries based on the back-off

algorithm are failed after the EtherC transmission

starts.

0: Transmit retry-over condition not detected

1: Transmit retry-over condition detected

RMAF

R/W

Receive Multicast Address Frame

0: Multicast address frame has not been received

1: Multicast address frame has been received

6, 5



All 0

Reserved

These bits are always read as 0. The write value

should always be 0.

RRF

R/W

Receive Residual-Bit Frame

0: Residual-bit frame has not been received

1: Residual-bit frame has been received

RTLF

R/W

Receive Too-Long Frame

Indicates that the frame more than the number of

receive frame length upper limit set by RFLR of the

EtherC has been received.

0: Too-long frame has not been received

1: Too-long frame has been received

RTSF

R/W

Receive Too-Short Frame

Indicates that a frame of fewer than 64 bytes has

been received.

0: Too-short frame has not been received

1: Too-short frame has been received

PRE

R/W

PHY Receive Error

0: PHY receive error not detected

1: PHY receive error detected

CERF

R/W

CRC Error on Received Frame

0: CRC error not detected

1: CRC error detected

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