AN2294 Freescale Semiconductor / Motorola, AN2294 Datasheet - Page 16
AN2294
Manufacturer Part Number
AN2294
Description
MC68SZ328 USB Configuration Setup Application Note
Manufacturer
Freescale Semiconductor / Motorola
Datasheet
1.AN2294.pdf
(20 pages)
Software Interface
When the WFR bit is set, it tells the device that the next transaction that takes place is the last data word
(either 16 or 8 bit) for that particular transaction.
Even byte size packets:
16
1. For an N (N = even) byte packet, write the first N-2 bytes to the FIFO data register
2. Set the WFR bit in the USB_EPn_FCTRL register and then write the last data word (byte
(USB_EPn_FDAT). Data may be written as words.
N-1 and byte N) to the USB_EPn_FDAT register.
Freescale Semiconductor, Inc.
For More Information On This Product,
MC68SZ328 Application Note
Go to: www.freescale.com
MOTOROLA