UPD703111A Datasheet, PDF (707/974 Pages) NEC – 32-Bit Single-Chip Microcontroller

CHAPTER 11 USB FUNCTION CONTROLLER (USBF)
Figure 11-22. CPUDEC Request for Control Transfer (7/12)
(c) Control transfer (write) (1/4)
C
No
OUT token received?
Yes
Writing UF0E0R register
Normal reception?
Yes
E0ODT = 1 (UF0IS1)
EP0R = 1 (UF0EPS0)
EP0NKR = 1 (UF0E0N)
INTUSB0B active
No
Clearing UF0E0R register
Reading UF0ISn register
PROT = 1?
Yes
(UF0IS1)
No
K
Remarks 1. n = 0, 1
2. ♦: Processing by hardware
EP0RC = 1
(UF0FIC0)
G
User’s Manual U16031EJ4V1UD
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