Section 23
USB 2.0 Host/Function Module (USB)
Rev. 0.50 May 18, 2006 Page 1077 of 1588
REJ09B0313-0050
23.3.2
System Configuration Status Register (SYSSTS)
SYSSTS is a register that monitors the line status (D
+
and D
−
lines) of the USB data bus.
This register is initialized by a power-on reset, a software reset, or a USB bus reset.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit:
Initial value:
R/W:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
-
-
-
-
-
-
-
-
-
-
SOFEN
-
-
-
*
*
LNST[1:0]
Bit Bit
Name
Initial
Value
R/W Description
15 to 6
All
0
R
Reserved
These bits are always read as 0. The write value
should always be 0.
5
SOFEN
0
R
SOF Issuance Enable
Indicates whether SOF issuance by this module
internal circuit is enabled or disabled, after the UACT
bit in DVSTCTR is written to by software in host
mode operation.
0: SOF issuance to the USB port is disabled.
1: SOF issuance to the USB port is enabled.
4 to 2
All
0
R
Reserved
These bits are always read as 0. The write value
should always be 0.
Содержание Single-Chip Microcomputer SH7203
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Страница 242: ...Section 8 Cache Rev 0 50 May 18 2006 Page 212 of 1588 REJ09B0313 0050 ...
Страница 400: ...Section 9 Bus State Controller BSC Rev 0 50 May 18 2006 Page 370 of 1588 REJ09B0313 0050 ...
Страница 668: ...Section 11 Multi Function Timer Pulse Unit 2 MTU2 Rev 0 50 May 18 2006 Page 638 of 1588 REJ09B0313 0050 ...
Страница 696: ...Section 13 Watchdog Timer WDT Rev 0 50 May 18 2006 Page 666 of 1588 REJ09B0313 0050 ...
Страница 726: ...Section 14 Realtime Clock RTC Rev 0 50 May 18 2006 Page 696 of 1588 REJ09B0313 0050 ...
Страница 796: ...Section 15 Serial Communication Interface with FIFO SCIF Rev 0 50 May 18 2006 Page 766 of 1588 REJ09B0313 0050 ...
Страница 876: ...Section 17 I2 C Bus Interface 3 IIC3 Rev 0 50 May 18 2006 Page 846 of 1588 REJ09B0313 0050 ...
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Страница 1054: ...Section 21 D A Converter DAC Rev 0 50 May 18 2006 Page 1024 of 1588 REJ09B0313 0050 ...
Страница 1226: ...Section 23 USB 2 0 Host Function Module USB Rev 0 50 May 18 2006 Page 1196 of 1588 REJ09B0313 0050 ...
Страница 1294: ...Section 24 LCD Controller LCDC Rev 0 50 May 18 2006 Page 1264 of 1588 REJ09B0313 0050 ...
Страница 1386: ...Section 26 I O Ports Rev 0 50 May 18 2006 Page 1356 of 1588 REJ09B0313 0050 ...
Страница 1512: ...Section 30 List of Registers Rev 0 50 May 18 2006 Page 1482 of 1588 REJ09B0313 0050 ...
Страница 1598: ...Section 31 Electrical Characteristics Rev 0 50 May 18 2006 Page 1568 of 1588 REJ09B0313 0050 ...
Страница 1606: ...Appendix Rev 0 50 May 18 2006 Page 1576 of 1588 REJ09B0313 0050 ...
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