upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 367

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

Remarks 1. n = 0, 1
2. ♦: Processing by hardware
Figure 12-19. CPUDEC Request for Control Transfer (3/12)
Writing UF0E0W register
Reading UF0ISn register
IN token received?
INTUSB0B
Transmitting NAK
CHAPTER 12 USB FUNCTION CONTROLLER (USBF)
E0INM = 1
E0IN = 1?
(UF0IS1)
(UF0IM1)
(UF0IS1)
E0IN = 1
B
F
Yes
Yes
Preliminary User’s Manual U19014EJ1V0UD
active
(b) Control transfer (read) (1/4)
If return data greater than the FIFO size exists,
it is divided into FIFO size units and sequentially
written, starting from the lowest data byte.
No
No
Illegal processing
I
367