Ethernet Subsystem Registers
14.5.5.20 TX3_CP Register (offset = A4Ch) [reset = 0h]
TX3_CP is shown in
and described in
.
CPDMA_STATERAM TX CHANNEL 3 COMPLETION POINTER REGISTER *
Figure 14-108. TX3_CP 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
TX_CP
R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 14-122. TX3_CP Register Field Descriptions
Bit
Field
Type
Reset
Description
31-0
TX_CP
R/W
0h
Tx Completion Pointer Register - This register is written by the host
with the buffer descriptor address for the last buffer processed by the
host during interrupt processing.
The port uses the value written to determine if the interrupt should
be deasserted.
1343
SPRUH73H – October 2011 – Revised April 2013
Ethernet Subsystem
Copyright © 2011–2013, Texas Instruments Incorporated