upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 381

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

Remark
♦: Processing by hardware
UF0BO1 register data is read
up to the value read by the
UF0BO1L register.
Figure 12-22. Normal Processing for Bulk Transfer (OUT)
CHAPTER 12 USB FUNCTION CONTROLLER (USBF)
Preliminary User’s Manual U19014EJ1V0UD
Data length other than 0?
Reading UF0BO1 register
BKOUT1 = 1 (UF0EPS0)
BKOUT1 = 0 (UF0EPS0)
Writing UF0BO1 register
Reading UF0IS3 register
BKO1DT = 1 (UF0IS3)
BKO1DT = 0 (UF0IS3)
OUT token received?
Updating data length
OUT token received?
of UF0BO1L register
Updating data length
of UF0BO1L register
Normal reception?
INTUSB1B
Data length = 0?
BKO1DT = 1?
(UF0IS3)
START
END
Yes
Yes
Yes
No
Yes
No
active
Yes
Yes
No
No
No
No
Data length = Data length − 1
Clearing UF0BO1 register
Illegal processing
Illegal processing
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