upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 333

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

UF0BI1 register
UF0IS2
UF0EN
BKI1NK bit of
BKI1DT bit of
CPU
Status of
SIE
register
register
side
side
Writing
starts
FIFO
64-byte transfer
completed
FIFO_0
FIFO_1
Writing
FIFO
CHAPTER 12 USB FUNCTION CONTROLLER (USBF)
Transmission
Figure 12-6. Operation of UF0BI1 Register (1/3)
completed
Preliminary User’s Manual U19014EJ1V0UD
reception
ACK
(a) Operation example 1
FIFO toggle
(FW clear)
INT clear
Transmission
starts
BKI1DED bit of
UF0DEND register is
set or hardware set
Writing
starts
FIFO
64-byte transfer
Transmission
completed
FIFO_1
FIFO_0
Hardware clear
completed
reception
Writing
ACK
FIFO
FIFO toggle
64-byte transfer
FIFO_0
FIFO_1
BKI1DED bit of
UF0DEND register is
set or hardware set
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