Ethernet Subsystem Registers
14.5.6.19 P1_BLK_CNT Register (offset = 10Ch) [reset = 41h]
P1_BLK_CNT is shown in
and described in
.
CPSW PORT 1 FIFO BLOCK USAGE COUNT (READ ONLY)
Figure 14-139. P1_BLK_CNT 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
Reserved
P1_TX_BLK_CNT
R-4h
7
6
5
4
3
2
1
0
P1_TX_BLK_CNT
P1_RX_BLK_CNT
R-4h
R-1h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 14-154. P1_BLK_CNT Register Field Descriptions
Bit
Field
Type
Reset
Description
8-4
P1_TX_BLK_CNT
R
4h
Port 1 Transmit Block Count Usage - This value is the number of
blocks allocated to the FIFO logical transmit queues.
3-0
P1_RX_BLK_CNT
R
1h
Port 1 Receive Block Count Usage - This value is the number of
blocks allocated to the FIFO logical receive queues.
1376
Ethernet Subsystem
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated