at75c220 ATMEL Corporation, at75c220 Datasheet - Page 44
at75c220
Manufacturer Part Number
at75c220
Description
Smart Internet Appliance Processor Siap
Manufacturer
ATMEL Corporation
Datasheet
1.AT75C220.pdf
(144 pages)
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MAC Interrupt Enable Register
Register Name: ETH_IER
Access Type: Write-only
Reset Value:
•
•
•
•
•
•
•
•
•
•
•
•
44
DONE
RCOM
RBNA
TOVR
TUND
RTRY
TBRE
TCOM
LINK
TIDLE
ROVR
HRESP
Enable management done interrupt.
Enable receive complete interrupt.
Enable receive buffer not available interrupt.
Enable Ethernet transmit buffer overrun interrupt
Enable transmit buffer underrun interrupt
Enable retry limit exceeded interrupt.
Enable transmit buffer register empty interrupt.
Enable transmit complete interrupt.
Enable LINK interrupt. Optional.
Enable transmit idle interrupt.
Enable RX overrun interrupt.
Enable HRESP not OK interrupt.
TCOM
31
23
15
–
–
–
7
–
TBRE
30
22
14
–
–
–
6
AT75C220
RTRY
29
21
13
–
–
–
5
TUND
28
20
12
–
–
–
4
HRESP
TOVR
27
19
11
–
–
3
ROVR
RBNA
26
18
10
–
–
2
RCOM
LINK
25
17
–
–
9
1
TIDLE
DONE
24
16
–
–
8
0
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