User Manual

AT75C220
44
MAC Interrupt Enable Register
Register Name: ETH_IER
Access Type: Write-only
Reset Value: –
• DONE
Enable management done interrupt.
• RCOM
Enable receive complete interrupt.
• RBNA
Enable receive buffer not available interrupt.
• TOVR
Enable Ethernet transmit buffer overrun interrupt
• TUND
Enable transmit buffer underrun interrupt
• RTRY
Enable retry limit exceeded interrupt.
• TBRE
Enable transmit buffer register empty interrupt.
• TCOM
Enable transmit complete interrupt.
• LINK
Enable LINK interrupt. Optional.
• TIDLE
Enable transmit idle interrupt.
• ROVR
Enable RX overrun interrupt.
• HRESP
Enable HRESP not OK interrupt.
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––––HRESP ROVR LINK TIDLE
76543210
TCOM TBRE RTRY TUND TOVR RBNA RCOM DONE