Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK 数据表
产品代码
AT91SAM9X25-EK
1081
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
45.6.26.11 Transmit Underrun Errors Register
Name:
EMAC_TUND
Address:
0xF802C064
Access:
Read-write
• TUND: Transmit Underruns
An 8-bit register counting the number of frames not transmitted due to a transmit DMA underrun. If this register is incremented,
then no other statistics register is incremented.
then no other statistics register is incremented.
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
–
–
–
–
–
–
–
7
6
5
4
3
2
1
0
TUND