Ethernet MAC Controller LH79524/LH79525 User’s Guide
6-46 Version 1.0
6.3.3.17 Receive Jabbers (RXJAB)
This is an 8-bit register containing the number of frames received exceeding 1,518 bytes
(1,522 if NETCONFIG:RECBYTE is 1) in length and have either a CRC error, an alignment
error, or a receive symbol error
.
6.3.3.18 Undersize Frames (UNDERFRM)
This is an 8-bit register containing the number of frames received that were fewer than
64 bytes in length, but do not have either a CRC error, an alignment error, or a receive
symbol error.
Table 6-66. RXJAB Register
BIT 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
FIELD ///
RESET 0000000000000000
TYPE RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO
BIT 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
FIELD /// RXJAB
RESET 0000000000000000
TYPE RO RO RO RO RO RO RO RO RW RW RW RW RW RW RW RW
ADDR 0xFFFC7000 + 0x7C
Table 6-67. RXJAB Fields
BITS NAME FUNCTION
31:8 /// Reserved Reading returns 0. Write the reset value.
7:0 RXJAB Receive Jabbers Number of receive jabbers.
Table 6-68. UNDERFRM Register
BIT 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
FIELD ///
RESET 0000000000000000
TYPE RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO
BIT 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
FIELD /// UNDERFRM
RESET 0000000000000000
TYPE RO RO RO RO RO RO RO RO RW RW RW RW RW RW RW RW
ADDR 0xFFFC7000 + 0x80
Table 6-69. UNDERFRM Fields
BITS NAME FUNCTION
31:8 /// Reserved Reading returns 0. Write the reset value.
7:0 UNDERFRM Undersize Frames Number of undersize frames.
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