Table 6-76. Hashbot Register; Table 6-77. Hashbot Fields; Table 6-78. Hashtop Register; Table 6-79. Hashtop Fields - Sharp LH79524 User Manual

LH79524/LH79525 User's Guide

6.3.4 Matching Registers

The matching registers allow programming specific addresses or Type IDs for matching
with incoming frames.
6.3.4.1 Hash Register Bottom (HASHBOT)
This register contains the low-order bits of the Hash Address Register (bits [31:0]). For
more information, see Section 6.1.5.2 for more information on hash addressing.
BIT
FIELD
RESET
TYPE
BIT
FIELD
RESET
TYPE
ADDR
BITS
31:0 HASHBOT Hash Register Bottom Bits [31:0] of the Hash Address Register.
6.3.4.2 Hash Register Top (HASHTOP)
This register contains the high-order bits of the Hash Address Register (bits [63:32]). For
more information, see Section 6.1.5.2 for more information on hash addressing.
BIT
FIELD
RESET
TYPE
BIT
FIELD
RESET
TYPE
ADDR
BITS
31:0 HASHTOP Hash Register Top Bits [63:32] of the Hash Address Register.

Table 6-76. HASHBOT Register

31 30 29 28 27
0 0 0 0 0
RW RW RW RW RW
15 14 13 12 11
0 0 0 0 0
RW RW RW RW RW

Table 6-77. HASHBOT Fields

NAME

Table 6-78. HASHTOP Register

31 30 29 28 27
0 0 0 0 0
RW RW RW RW RW
15 14 13 12 11
0 0 0 0 0
RW RW RW RW RW

Table 6-79. HASHTOP Fields

NAME
26 25 24 23
HASHBOT
0 0 0 0
RW RW RW RW
10 9 8 7
HASHBOT
0 0 0 0
RW RW RW RW
0xFFFC7000 + 0x90
FUNCTION
26 25 24 23
HASHTOP
0 0 0 0
RW RW RW RW
10 9 8 7
HASHTOP
0 0 0 0
RW RW RW RW
0xFFFC7000 + 0x94
FUNCTION
Version 1.0
Ethernet MAC Controller
22 21 20 19 18
0 0 0 0 0
RW RW RW RW RW
6 5 4 3 2
0 0 0 0 0
RW RW RW RW RW
22 21 20 19 18
0 0 0 0 0
RW RW RW RW RW
6 5 4 3 2
0 0 0 0 0
RW RW RW RW RW
17 16
0 0
RW RW
1 0
0 0
RW RW
17 16
0 0
RW RW
1 0
0 0
RW RW
6-49