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USB Registers
16.5.3.33 USB1UTMI Register (offset = E0h) [reset = 200002h]
USB1UTMI is shown in Figure 16-131 and described in Table 16-141.
Figure 16-131. USB1UTMI Register
31 30 29 28 27 26 25 24
Reserved
23 22 21 20 19 18 17 16
TXBITSTUFFEN TXBITSTUFFENH OTGDISABLE VBUSVLDEXTSEL VBUSVLDEXT TXENABLEN FSXCVROWNER TXVALIDH
R/W-0h R/W-0h R/W-1h R/W-0h R/W-0h R/W-0h R/W-0h R/W-0h
15 14 13 12 11 10 9 8
DATAINH
R/W-0h
7 6 5 4 3 2 1 0
Reserved WORDINTERFACE FSDATAEXT FSSE0EXT
R/W-0h R/W-1h R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 16-141. USB1UTMI Register Field Descriptions
Bit Field Type Reset Description
23 TXBITSTUFFEN R/W 0h
PHY UTMI input for signal txbitstuffen
22 TXBITSTUFFENH R/W 0h
PHY UTMI input for signal txbitstuffenh
21 OTGDISABLE R/W 1h
PHY UTMI input for signal otgdisable
20 VBUSVLDEXTSEL R/W 0h
PHY UTMI input for signal vbusvldextsel
19 VBUSVLDEXT R/W 0h
PHY UTMI input for signal vbusvldext
18 TXENABLEN R/W 0h
PHY UTMI input for signal txenablen
17 FSXCVROWNER R/W 0h
PHY UTMI input for signal fsxcvrowner
16 TXVALIDH R/W 0h
PHY UTMI input for signal txvalidh
15-8 DATAINH R/W 0h
PHY UTMI input for signal datainh
2 WORDINTERFACE R/W 0h
PHY UTMI input for signal wordinterface
1 FSDATAEXT R/W 1h
PHY UTMI input for signal fsdataext
0 FSSE0EXT R/W 0h
PHY UTMI input for signal fsse0ext USB1 PHY UTMI Register
1899
SPRUH73H–October 2011–Revised April 2013 Universal Serial Bus (USB)
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