Datasheet

Universal Serial Bus Module (USB)
Technical Data MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
152 Universal Serial Bus Module (USB) Freescale Semiconductor
9.8.10 USB Status Register 0
R0SEQ — Endpoint 0 Receive Sequence Bit
This read-only bit indicates the type of data packet last received for
endpoint 0 (DATA0 or DATA1).
1 = DATA1 token received in last endpoint 0 receive
0 = DATA0 token received in last endpoint 0 receive
SETUP — SETUP Token Detect Bit
This read-only bit indicates that a valid SETUP token has been
received.
1 = Last token received for endpoint 0 was a SETUP token
0 = Last token received for endpoint 0 was not a SETUP token
RP0SIZ3–RP0SIZ0 — Endpoint 0 Receive Data Packet Size
These read-only bits store the number of data bytes received for the
last OUT or SETUP transaction for endpoint 0.
Address: $003D
Bit 7654321Bit 0
Read:
R0SEQ SETUP 0 0 RP0SIZ3 RP0SIZ2 RP0SIZ1 RP0SIZ0
Write:
Reset: Unaffected by reset
= Unimplemented
Figure 9-24. USB Status Register 0 (USR0)