Ethernet Subsystem Registers
14.5.1.3 PRESCALE Register (offset = 10h) [reset = 0h]
PRESCALE is shown in
and described in
.
ADDRESS LOOKUP ENGINE PRESCALE REGISTER
Figure 14-17. PRESCALE Register
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reserved
PRESCALE
R/W-0
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 14-27. PRESCALE Register Field Descriptions
Bit
Field
Type
Reset
Description
19-0
PRESCALE
R/W-0
0
ALE Prescale Register - The input clock is divided by this value for
use in the multicast/broadcast rate limiters.
The minimum operating value is 0x10.
The prescaler is off when the value is zero.
1244
Ethernet Subsystem
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated