USB Registers
16.5.7.9 FDBSC6 Register (offset = 38h) [reset = 0h]
FDBSC6 is shown in
and described in
.
Figure 16-285. FDBSC6 Register
31
30
29
28
27
26
25
24
FDBQ27_STARVE_CNT
R-0
23
22
21
20
19
18
17
16
FDBQ26_STARVE_CNT
R-0
15
14
13
12
11
10
9
8
FDBQ25_STARVE_CNT
R-0
7
6
5
4
3
2
1
0
FDBQ24_STARVE_CNT
R-0
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 16-299. FDBSC6 Register Field Descriptions
Bit
Field
Type
Reset
Description
31-24
FDBQ27_STARVE_CNT
R-0
0
This field increments each time the Free Descriptor/Buffer Queue 27
is read while it is empty via the CPPI DMA.
This field is cleared when read via the cpu.
23-16
FDBQ26_STARVE_CNT
R-0
0
This field increments each time the Free Descriptor/Buffer Queue 26
is read while it is empty via the CPPI DMA.
This field is cleared when read via the cpu.
15-8
FDBQ25_STARVE_CNT
R-0
0
This field increments each time the Free Descriptor/Buffer Queue 25
is read while it is empty via the CPPI DMA.
This field is cleared when read via the cpu.
7-0
FDBQ24_STARVE_CNT
R-0
0
This field increments each time the Free Descriptor/Buffer Queue 24
is read while it is empty via the CPPI DMA.
This field is cleared when read via the cpu.
Queue_Manager_Free_Descriptor_Buffer_Starvation_Count
Register 6
2117
SPRUH73H – October 2011 – Revised April 2013
Universal Serial Bus (USB)
Copyright © 2011–2013, Texas Instruments Incorporated