upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 341

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

(6) UF0 configuration register (UF0CNF)
UF0CNF
Bit position
Caution Do not perform write access to this register. Operation is not guaranteed if this register is
This register stores the value that is to be returned in response to the GET_CONFIGURATION request.
This register is read-only, in 8-bit units.
When the SET_CONFIGURATION request is received, its wValue is automatically written to this register.
When a change of the value of this register from 00H to other than 00H is detected, the CONF bits of
UF0MODS register are set to 1. If the SET_CONFIGURATION request is processed by FW, the status of this
register is immediately reflected on the UF0MODS register as soon as data has been written to this register
(CONF bits = 1 before completion of the status stage).
1, 0
7
0
written.
CONF1,
CONF0
Bit name
6
0
CHAPTER 12 USB FUNCTION CONTROLLER (USBF)
These bits hold the data to be returned in response to the GET_CONFIGURATION
request.
5
0
Preliminary User’s Manual U19014EJ1V0UD
4
0
3
0
2
0
Function
CONF1
1
CONF0
0
Address
FF91H
After reset
00H
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