7-79
Register Descriptions
RxByteCnt Register
Type: R/W
Internal Registers Subgroup: MAC Registers
Byte Address: 5040h- 5043h
TxPauseTimer Register
Type: R/W
Internal Registers Subgroup: MAC Registers
Byte Address: 5060h- 5063h
VLANType Register
Type: R/W
Internal Registers Subgroup: MAC Registers
Byte Address: 5064h- 5067h
Table 7-103. RxByteCnt Register
Bit(s)
rw
Reset
Value
Description/Function
31:16
r/w
0
Reserved:
Always reads 0.
15:0
r/w
0
RxByteCnt:
This is a multipurpose counter used internally to count
the number of bytes at different times. It should only be written for
test purposes, such as testing huge frame functionality.
Table 7-104. TxPauseTimer Register
Bit(s)
rw
Reset
Value
Description/Function
31:16
r/w
0
Reserved:
Always reads 0.
15:0
r/w
0
TxPauseTimer:
This is the pause timer value used when
transmitting a pause control frame.
Table 7-105. VLANType Register
Bit(s)
rw
Reset
Value
Description/Function
31:16
r/w
0
Reserved:
Always read as 0.
15:0
r/w
0
VLAN type:
A frame is considered a VLAN frame if the 13th byte in
the frame matchesVLANT
YPE
[15:8]
and the 14th byte in the frame
matchesVLANT
YPE
[7:0]
.
