at91sam9g20-cu ATMEL Corporation, at91sam9g20-cu Datasheet - Page 663

• Manufacturer Part Number: at91sam9g20-cu
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

36.5.26.9
Register Name:
Access Type:
• LCOL: Late Collisions
An 8-bit register counting the number of frames that experience a collision after the slot time (512 bits) has expired. A late
collision is counted twice; i.e., both as a collision and a late collision.
36.5.26.10
Register Name:
Access Type:
• EXCOL: Excessive Collisions
An 8-bit register counting the number of frames that failed to be transmitted because they experienced 16 collisions.
6384B–ATARM–15-Dec-08
31
23
15
31
23
15
–
–
–
7
–
–
–
7
Late Collisions Register
Excessive Collisions Register
30
22
14
30
22
14
EMAC_LCOL
Read-write
–
–
–
6
EMAC_ECOL
Read-write
–
–
–
6
29
21
13
29
21
13
–
–
–
5
–
–
–
5
28
20
12
28
20
12
–
–
–
4
–
–
–
4
EXCOL
LCOL
27
19
11
27
19
11
–
–
–
3
–
–
–
3
AT91SAM9G20 Preliminary
26
18
10
26
18
10
–
–
–
2
–
–
–
2
25
17
25
17
–
–
9
–
1
–
–
9
–
1
24
16
24
16
–
–
8
–
0
–
–
8
–
0
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