Specifications

RX62N Group Ethernet Transmit and Receive Settings
Start
Data read function
R_Ether_Read
End
Receive data read
_eth_fifoRead
Yes
No
Yes
No
Yes
No
Yes
No
End
Start
End
Yes
No
No receive data?
Receive error?
Receive error handling
Receive error handling
Normal receive processing
Return receive size
Activate receive descriptor
Receive function
enabled?
Enable receive function
Internal variable initialization
2 or more receive frames
and receive size = 0?
Receive loop on?
Set receive size to 0
Clear receive flags
Initialize the internal variable for receive size to 0
and for receive loop to on.
Read data from receive buffer.
Return R_ETHER_OK
See other sequences for processing details.
Clear the receive frame position (RFP), receive frame error (RFE),
and receive frame status (RFS) flags of receive descriptor 0 (RD0).
Set RACT to 1 to activate the receive descriptor.
Set the receive request (RR) bit in the EDMAC receive request
register (EDRRR) to 1 to enable the receive function.
Figure 4.24 Ethernet API Processing Sequence of Sample Program (5)
R01AN0629EJ0101 Rev.1.01 Page 43 of 52
Mar 31, 2011