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Figure 8-14. Format of Token Packet Receive Result Store Register
Symbol
<7>
<6>
TRXRSL
CRC5ER TBITER
CRC5ER
0
CRC error did not occur in received token packet.
1
CRC error occurred in received token packet.
TBITER
0
Bit stuffing error did not occur in received token packet.
1
Bit stuffing error occurred in received token packet.
TBYER
0
Packet length of received token packet is normal.
1
Packet length of received token packet is abnormal.
END1RX
0
No token packet corresponding to Endpoint 1 is received.
1
Token packet corresponding to Endpoint 1 was received.
END0RX
0
No token packet corresponding to Endpoint 0 is received.
1
Token packet corresponding to Endpoint 0 was received.
ADRRST
0
Received token packet address and value of token address compare register (ADRCMP) do not match.
1
Received token packet address and value of ADRCMP match.
TIDRST
0
Received token packet ID and value of token PID compare register (TIDCMP) do not match.
1
Received token packet ID and value of TIDCMP match.
SETRX
0
Received token packet ID is other than Setup packet.
1
Received token packet ID is Setup packet
Note If SETRX is set to 1, the following occurs.
• All reservations are cleared
• DNAEN (bit 1 of the handshake packet transmit reservation register (HTXRSV)) is cleared
• DWRMSK (bit 0 of the data/handshake packet receive mode register (URXMOD)) is cleared
114
CHAPTER 8
<5>
<4>
<3>
TBYER END1RX END0RX ADRRST TIDRST
CRC error detection (5-bit mode)
Bit stuffing error detection
Received token packet length error detection
Endpoint 1 reception detection
Endpoint 0 reception detection
Token packet address compare result
Token packet ID compare result detection
Setup token packet reception detection
User's Manual U12978EJ3V0UD
USB FUNCTION
<2>
<1>
<0>
SETRX
Note
.
Address
After reset
R/W
FF62H
00H
R/W
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