upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 361

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

Remark
SET_CONFIGURATION?
Reading UF0IS4 register
automatically processed
Receiving SETUP token
Automatic processing
CLEAR_FEATURE?
SET_INTERFACE?
♦: Processing by hardware
FW processing for
SET_INTERFACE
Decoding request
SET_FEATURE?
INTUSB2B = 1?
SETINTC = 0
SETINT = 1?
(UF0IC4)
(UF0IS4)
request?
START
Other
END
END
Yes
Yes
Yes
No
No
No
No
Figure 12-14. Automatically Processed Requests for Control Transfer
CHAPTER 12 USB FUNCTION CONTROLLER (USBF)
Illegal processing
Yes
Yes
Yes
Yes
No
No
No
Preliminary User’s Manual U19014EJ1V0UD
Reading
SET_CONFIGURATION
Reading UF0ISn register
CPUDEC
CLEAR_FEATURE
FW processing for
SET_INTERFACE
SET_FEATURE
CLRRQ = 1?
SETRQ = 1?
each request
processing
processing
processing
processing
(UF0IS0)
(UF0IS0)
UF0SET
END
END
processing
Yes
:
: See
: See
:
(n = 0, 1)
No
See Figure 12-15 CLEAR_FEATURE Processing.
See Figure 12-18 SET_INTERFACE Processing.
register
Figure 12-16 SET_FEATURE Processing.
Figure 12-17 SET_CONFIGURATION Processing.
Illegal processing
Yes
No
Reading
INTUSB0B/INTUSB2B
FW processing for
each request
UF0CLR
active
END
register
361