at91sam9g20-cu ATMEL Corporation, at91sam9g20-cu Datasheet - Page 661

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

36.5.26.5
Register Name:
Access Type:
• FROK: Frames Received OK
A 24-bit register counting the number of good frames received, i.e., address recognized and successfully copied to mem-
ory. A good frame is of length 64 to 1518 bytes (1536 if bit 8 set in network configuration register) and has no FCS,
alignment or receive symbol errors.
36.5.26.6
Register Name:
Access Type:
• FCSE: Frame Check Sequence Errors
An 8-bit register counting frames that are an integral number of bytes, have bad CRC and are between 64 and 1518 bytes
in length (1536 if bit 8 set in network configuration register). This register is also incremented if a symbol error is detected
and the frame is of valid length and has an integral number of bytes.
6384B–ATARM–15-Dec-08
31
23
15
31
23
15
–
7
–
–
–
7
Frames Received OK Register
Frames Check Sequence Errors Register
30
22
14
30
22
14
EMAC_FRO
Read-write
–
6
EMAC_FCSE
Read-write
–
–
–
6
29
21
13
29
21
13
–
5
–
–
–
5
28
20
12
28
20
12
–
4
–
–
–
4
FROK
FROK
FROK
FCSE
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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