• Extra Token on EndPoint1:
• No Token on EndPoint1:
CHAPTER 6 USB CONTROLLER
data to USB and will set EP1ND bit (Bit 2) in USB General
Status Register 2.
If IN TOKEN packet for EndPoint2 comes which between two
SOFs, USB Controller will set EP1ET bit (Bit 3) in USB
General Status Register 2. In this case, USB Controller will
transmit data only once.
If IN TOKEN packet for EndPoint2 does not come between
two SOFs, USB Controller will set EP1NT bit (Bit 4) in USB
General Status Register 2.
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