Sharp LH79524 - Receive Resource Errors (RXRERR); Table 6-58. RXRERR Register; Table 6-59. RXRERR Fields; Table 6-60. RXOVERR Register

Ethernet MAC Controller LH79524/LH79525 User’s Guide
6-44 Version 1.0
6.3.3.13 Receive Resource Errors (RXRERR)
This register counting the number of frames that were address matched but could not be copied to
memory because no receive buffer was available.
6.3.3.14 Receive Overrun Errors (RXOVERR)
Recieve overrun errors are tabulated in this register.
Table 6-58. RXRERR 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 RXRERR
RESET 0000000000000000
TYPE RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW
ADDR 0xFFFC7000 + 0x6C
Table 6-59. RXRERR Fields
BITS NAME FUNCTION
31:16 /// Reserved Reading returns 0. Write the reset value.
15:0 RXRERR
Receive Resource Errors The number of frames that were address matched
but could not be copied to memory because no receive buffer was available.
Table 6-60. RXOVERR Register
BIT 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
FIELD ///
RESET 0 000000000000000
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 /// RXOVERR
RESET 0 000000000000000
TYPE RO RO RO RO RO RO RO RO RW RW RW RW RW RW RW RW
ADDR 0xFFFC7000 + 0x70
Table 6-61. RXOVERR Fields
BITS NAME FUNCTION
31:8 /// Reserved Reading returns 0. Write the reset value.
7:0 RXOVERR
Receive Overruns Number of frames that are address recognized but
were not copied to memory due to a receive DMA overrun.