upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 372

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

372
Remark
UF0E0L register data is
read up to the value read
by the UF0E0R register.
♦: Processing by hardware
Figure 12-19. CPUDEC Request for Control Transfer (8/12)
CHAPTER 12 USB FUNCTION CONTROLLER (USBF)
Preliminary User’s Manual U19014EJ1V0UD
(c) Control transfer (write) (2/4)
Reading UF0E0R register
Data length other than 0?
EP0NKR = 0 (UF0E0N)
EP0R = 0 (UF0EPS0)
OUT token received?
E0ODT = 0 (UF0IS1)
Updating data length
Updating data length
of UF0E0L register
of UF0E0L register
IN token received?
E0ODT = 1?
(UF0IS1)
K
L
Yes
Yes
No
No
Yes
Yes
No
No
Data length = Data length − 1
C
Illegal processing