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Symbol
7
6
RXSTAT
UWDERR RESMRX SE0RX URESRX EOPRX HSSTAT DASTAT TOSTAT
UWDERR
0
No USB timer inadvertent program loop was detected.
USB timer inadvertent program loop (USB clock operation faster than 85.3 s (at 6.0 MHz)) was detected,
1
forcibly terminating USB clock. This flag is also set when USB reset or Resume signal was received.
RESMRX
0
No Resume signal was received.
1
Received Resume signal (level detection)
SE0RX
0
No Single-ended 0 (SE0) signal was detected.
1
Detected SE0 signal one or more times
URESRX
0
No USB reset signal was detected.
1
Detected USB reset signal one or more times
EOPRX
0
No EOP signal was detected.
1
Detected EOP one or more times
HSSTAT
0
No handshake packet was received.
1
Receiving handshake packet
DASTAT
0
No data packet was received.
1
Receiving data packet
TOSTAT
0
No token packet was received.
1
Receiving token packet
Note Bits 0 to 2: read only
112
CHAPTER 8
Figure 8-12. Format of Packet Receive Status Register
5
4
3
USB timer inadvertent program loop detection
Resume signal receive status
Single-ended 0 signal detection status
USB reset signal detection status
Handshake packet receive status
Data packet receive status
Token packet receive status
User's Manual U12978EJ3V0UD
USB FUNCTION
2
1
0
Address
EOP detection status
After reset
R/W
FF67H
00H
R/W
µ
Note
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