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USB Registers
16.5.4.7 UTMI_INTERFACE_CNTL_1 Register (offset = 1Ch) [reset = 0h]
UTMI_INTERFACE_CNTL_1 is shown in Figure 16-140 and described in Table 16-151.
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)
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