Ethernet Subsystem Registers
14.5.8.7 THRU_RATE Register (offset = 18h) [reset = 3003h]
THRU_RATE is shown in
and described in
THROUGHPUT RATE
Figure 14-190. THRU_RATE Register
31
30
29
28
27
26
25
24
Reserved
23
22
21
20
19
18
17
16
Reserved
15
14
13
12
11
10
9
8
SL_RX_THRU_RATE
Reserved
R/W-0
7
6
5
4
3
2
1
0
Reserved
CPDMA_THRU_RATE
R/W-0
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 14-207. THRU_RATE Register Field Descriptions
Bit
Field
Type
Reset
Description
15-12
SL_RX_THRU_RATE
R/W-0
0
CPGMAC_SL Switch FIFO receive through rate.
This register value is the maximum throughput of the ethernet ports
to the crossbar SCR.
The default is one
8-byte word for every 3 CLK periods maximum.
3-0
CPDMA_THRU_RATE
R/W-0
0
CPDMA Switch FIFO receive through rate.
This register value is the maximum throughput of the CPDMA host
port to the crossbar SCR.
The default is one
8-byte word for every 3 CLK periods maximum.
1431
SPRUH73H – October 2011 – Revised April 2013
Ethernet Subsystem
Copyright © 2011–2013, Texas Instruments Incorporated