USB Registers
16.5.4.8 UTMI_INTERFACE_CNTL_2 Register (offset = 20h) [reset = 0h]
UTMI_INTERFACE_CNTL_2 is shown in
and described in
.
UTMI interface override and observe register 2
Figure 16-141. UTMI_INTERFACE_CNTL_2 Register
31
30
29
28
27
26
25
24
RXRCV
RXDP
RXDM
HOSTDISCONNECT
LINESTATE
RXVALID
RXVALIDH
R-0h
R-0h
R-0h
R-0h
R-0h
R-0h
R-0h
23
22
21
20
19
18
17
16
RXACTIVE
RXERROR
TXREADY
UTMIRESETDONE
USEBITSTUFFREG
TXBITSTUFFENABLE TXBITSTUFFENABLE USETERMCONTROL
H
REG
R-0h
R-0h
R-0h
R-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
15
14
13
12
11
10
9
8
TERMSEL
DPPULLDOWN
DMPULLDOWN
Reserved
USEREGSERIALMO
TXSE0
DE
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
7
6
5
4
3
2
1
0
TXDAT
FSLSSERIALMODE
TXENABLEN
Reserved
sig_bypass_suspend
mpulse_incr
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 16-152. UTMI_INTERFACE_CNTL_2 Register Field Descriptions
Bit
Field
Type
Reset
Description
31
RXRCV
R
0h
Read for UTMI signal.Read value is valid only if VDDLDO is
on.Read value is valid only if VDDLDO is on.
30
RXDP
R
0h
Read for UTMI signal.Read value is valid only if VDDLDO is on.
29
RXDM
R
0h
Read for UTMI signal.Read value is valid only if VDDLDO is on.
28
HOSTDISCONNECT
R
0h
Read for UTMI signal.Read value is valid only if VDDLDO is on.
27-26
LINESTATE
R
0h
Read for UTMI signal.Read value is valid only if VDDLDO is on.
25
RXVALID
R
0h
Read for UTMI signal.Read value is valid only if VDDLDO is on.
24
RXVALIDH
R
0h
Read for UTMI signal.Read value is valid only if VDDLDO is on.
23
RXACTIVE
R
0h
Read for UTMI signal.Read value is valid only if VDDLDO is on.
22
RXERROR
R
0h
Read for UTMI signal.Read value is valid only if VDDLDO is on.
21
TXREADY
R
0h
Read for UTMI signal.Read value is valid only if VDDLDO is on.
20
UTMIRESETDONE
R
0h
Read for UTMIRESETDONE signal
19
USEBITSTUFFREG
R/W
0h
When set to 1 use bits
18-17 from register instead of interface
18
TXBITSTUFFENABLE
R/W
0h
Override value for signal TXBITSTUFFENABLE
17
TXBITSTUFFENABLEH
R/W
0h
Override value for pin TXBITSTUFFENABLE
16
USETERMCONTROLRE
R/W
0h
-When set to 1 use bits
G
15-13 from register instead of interface
15
TERMSEL
R/W
0h
Override value for signal TERMSEL
14
DPPULLDOWN
R/W
0h
Override value for signal DPPULLDOWN
13
DMPULLDOWN
R/W
0h
Override value for signal DMPULLDOWN
12-10
Reserved
R/W
0h
9
USEREGSERIALMODE
R/W
0h
When set to 1 use bits
8-5 from register instead of interface
8
TXSE0
R/W
0h
Override value for signal TXSE0
1912
Universal Serial Bus (USB)
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated