USB Registers
16.5.4.3 DLLHS_2 Register (offset = 8h) [reset = 1Fh]
DLLHS_2 is shown in
and described in
the 2nd DLLHS control register. bits 4:0 are unrelated to the DLLHS and are linestate filter settings
Figure 16-136. DLLHS_2 Register
31
30
29
28
27
26
25
24
DLLHS_CNTRL_LDO
R/W-0h
23
22
21
20
19
18
17
16
DLLHS_STATUS_LDO
R-0h
15
14
13
12
11
10
9
8
Reserved
R/W-0h
7
6
5
4
3
2
1
0
Reserved
LINESTATE_DEBOU
LINESTATE_DEBOUNCE_CNTL
NCE_EN
R/W-0h
R/W-1h
R/W-Fh
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 16-147. DLLHS_2 Register Field Descriptions
Bit
Field
Type
Reset
Description
31-24
DLLHS_CNTRL_LDO
R/W
0h
See DFT spec for details
23-16
DLLHS_STATUS_LDO
R
0h
See DFT spec for details
15-5
Reserved
R/W
0h
4
LINESTATE_DEBOUNCE
R/W
1h
Enables the linestate debounce filter
_EN
3-0
LINESTATE_DEBOUNCE
R/W
Fh
Used for control of the linestate debounce filter when going from
_CNTL
syncronous to async linestate.
1906
Universal Serial Bus (USB)
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated