Fujitsu MB96300 series Hardware Manual page 747

Bit names
Bit5 SUSP
Bit4 SOF
Bit3 BRST
Bit2 WKUP
Bit1 SETP
Bit0 CONF
• This flag indicates that the USB function is in suspend mode.
SUSP triggers an interrupt.
• Writing "1" is ignored.
• Clear by writing "0". "1" is read at the read modification write.
• Flag indicating the reception of a SOF packet.
• Triggers the update of the time stamp register.
• The SOF flag triggers an interrupt.
• Writing "1" is ignored.
• Clear by writing "0". "1" is read at the read modification write.
• This flag indicates the USB bus reset detection. It triggers an
interrupt.
• Writing "1" is ignored.
• Clear by writing "0". "1" is read at the read modification write.
• Set registers again by initializing the USB function with
UDCC:RST when the BRST bit is detected.
• This flag indicates that the USB function has resumed from the
suspend mode. This flag triggers an interrupt.
• A remote wake-up (by setting the RESUM bit) or a wake-up
request from the HOST cause the USB function to return from
suspend status.
• WKUP bit is automatically set only by a resume request from the
HOST.
• Writing "1" is ignored.
• Clear by writing "0". "1" is read at the read modification write.
• Even if a wake up is caused by a HOST request, the WKUP flag
is not set when the RESUM bit in the UDCC register is set.
• This bit indicates that the received data belongs to the SETUP
stage of USB control transfer.
• Writing "1" has no effect.
• Clear by writing "0". "1" is read at the read modification write.
• Any standard command are ignored by this flag.
• The SETP does not trigger any interrupt.
• CONF is a USB function configuration reception flag. The
CONF bit is set when the USB command SetConfig has been
received.
• The CONF bit trigger an interrupt.
• Writing "1" is ignored.
• Clear by writing "0". "1" is read at the read modification write
CHAPTER 29 USB FUNCTION
Function
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