USB Registers
16.5.4.7 UTMI_INTERFACE_CNTL_1 Register (offset = 1Ch) [reset = 0h]
UTMI_INTERFACE_CNTL_1 is shown in
and described in
.
register to override UTMI interface control pins.
Figure 16-140. UTMI_INTERFACE_CNTL_1 Register
31
30
29
28
27
26
25
24
USEUTMIDATAREG
UTMIDATAIN
R/W-0h
R/W-0h
23
22
21
20
19
18
17
16
UTMIDATAIN
R/W-0h
15
14
13
12
11
10
9
8
UTMIDATAIN
Reserved
USEDATABUSREG
DATABUS16OR8
USEOPMODEREG
OPMODE
OVERRIDESUSRESE
T
R/W-0h
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
SUSPENDM
UTMIRESET
OVERRIDEXCVRSEL
XCVRSEL
USETXVALIDREG
TXVALID
TXVALIDH
R/W-0h
R/W-0h
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 16-151. UTMI_INTERFACE_CNTL_1 Register Field Descriptions
Bit
Field
Type
Reset
Description
31
USEUTMIDATAREG
R/W
0h
Use datain from UTMI interface register
30-15
UTMIDATAIN
R/W
0h
Override value for the UTMIDATAIN
14
Reserved
R/W
0h
13
USEDATABUSREG
R/W
0h
When set to 1 use bit 12 from register instead of interface
12
DATABUS16OR8
R/W
0h
Override value for UTMI signal DATABUS16OR8
11
USEOPMODEREG
R/W
0h
When set to 1 use bit
10-9 from register instead of interface
10-9
OPMODE
R/W
0h
Override value for UTMI signal OPMODE
[1:0]
8
OVERRIDESUSRESET
R/W
0h
Override the suspend and reset values.
Use bits 6 and 7
7
SUSPENDM
R/W
0h
Override value for UTMI signal SUSPENDM
6
UTMIRESET
R/W
0h
Override value for UTMI signal UTMIRESET
5
OVERRIDEXCVRSEL
R/W
0h
When set to 1 use bit
4-3 from register instead of interface
4-3
XCVRSEL
R/W
0h
Override value for UTMI signal XCVRSEL
[1:0]
2
USETXVALIDREG
R/W
0h
When set to 1 use bit
1-0 from register instead of interface
1
TXVALID
R/W
0h
Override value for UTMI signal TXVALID
0
TXVALIDH
R/W
0h
Override value for UTMI signal TXVALIDH
1911
SPRUH73H – October 2011 – Revised April 2013
Universal Serial Bus (USB)
Copyright © 2011–2013, Texas Instruments Incorporated