USB Registers
16.5.7.615 QUEUE_145_A Register (offset = 2910h) [reset = 0h]
QUEUE_145_A is shown in
and described in
Figure 16-891. QUEUE_145_A 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
QUEUE_ENTRY_COUNT
R-0
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 16-905. QUEUE_145_A Register Field Descriptions
Bit
Field
Type
Reset
Description
13-0
QUEUE_ENTRY_COUNT
R-0
0
This field indicates how many packets are currently queued on the
queue.
This count is incremented by 1 whenever a packet is added to the
queue.
This count is decremented by 1 whenever a packet is popped from
the queue.
2723
SPRUH73H – October 2011 – Revised April 2013
Universal Serial Bus (USB)
Copyright © 2011–2013, Texas Instruments Incorporated