upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 335

• Manufacturer Part Number: upd78f0730
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

UF0BI1 register
UF0IS2
UF0EN register
BKI1NK bit of
BKI1DT
CPU
Status of
SIE
register
bit of
side
side
FIFO
clear
64-byte transfer
FIFO_0
FIFO_1
CHAPTER 12 USB FUNCTION CONTROLLER (USBF)
Transmission
Figure 12-6. Operation of UF0BI1 Register (3/3)
completed
reception
Preliminary User’s Manual U19014EJ1V0UD
ACK
(FW clear)
INT clear
FIFO toggle
(c) Operation example 3
Transmission
starts
BKI1DED bit of
UF0DEND register is set.
Transmission
completed
Transfer of Null packet
Writing
starts
FIFO
reception
FIFO_1
FIFO_0
ACK
Hardware clear
completed
Writing
FIFO
FIFO toggle
Short packet transfer
FIFO_0
FIFO_1
BKI1DED bit of
UF0DEND register is set.
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