SAM3A4C Atmel Corporation, SAM3A4C Datasheet - Page 1292
![no-image](/images/manufacturer_photos/0/0/79/atmel_corporation_sml.jpg)
SAM3A4C
Manufacturer Part Number
SAM3A4C
Description
Manufacturer
Atmel Corporation
- Current page: 1292 of 1465
- Download datasheet (26Mb)
41.6.8
Name:
Address:
Access:
• MFD: Management Frame Done
The PHY maintenance register has completed its operation. Cleared on read.
• RCOMP: Receive Complete
A frame has been stored in memory. Cleared on read.
• RXUBR: Receive Used Bit Read
Set when a receive buffer descriptor is read with its used bit set. Cleared on read.
• TXUBR: Transmit Used Bit Read
Set when a transmit buffer descriptor is read with its used bit set. Cleared on read.
• TUND: Ethernet Transmit Buffer Underrun
The transmit DMA did not fetch frame data in time for it to be transmitted or hresp returned not OK. Also set if a used bit
is read mid-frame or when a new transmit queue pointer is written. Cleared on read.
• RLEX: Retry Limit Exceeded
Cleared on read.
• TXERR: Transmit Error
Transmit buffers exhausted in mid-frame - transmit error. Cleared on read.
• TCOMP: Transmit Complete
Set when a frame has been transmitted. Cleared on read.
• ROVR: Receive Overrun
Set when the receive overrun status bit gets set. Cleared on read.
• HRESP: Hresp not OK
Set when the DMA block sees a bus error. Cleared on read.
1292
1292
TCOMP
31
23
15
–
–
–
7
SAM3X/A
SAM3X/A
Interrupt Status Register
EMAC_ISR
0x400B0024
Read-write
TXERR
30
22
14
–
–
–
6
RLEX
PTZ
29
21
13
–
–
5
PFRE
TUND
28
20
12
–
–
4
HRESP
TXUBR
27
19
11
–
–
3
RXUBR
ROVR
26
18
10
–
–
2
RCOMP
25
17
–
–
9
–
1
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
MFD
24
16
–
–
8
–
0
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