Datasheet

V850ES/JG3-H, V850ES/JH3-H CHAPTER 21 USB FUNCTION CONTROLLER (USBF)
R01UH0042EJ0500 Rev.5.00 Page 1120 of 1513
Aug 12, 2011
(35) UF0 active interface number register (UF0AIFN)
This register sets the valid Interface number that correctly responds to the GET/SET_INTERFACE request.
Because Interface 0 is always valid, Interfaces 1 to 4 can be selected.
This register can be read or written in 8-bit units.
ADDIFUF0AIFN 0
5
00
3
0
2
0
1
IFNO1 IFNO0
Address
00200080H
After reset
00H
0467
Bit position Bit name Function
7 ADDIF
This bit allows use of Interfaces numbered other than 0.
1: Support up to the Interface number specified by the IFNO1 and IFNO0 bits.
0: Support only Interface 0 (default value).
Setting bits 1 and 0 of this register is invalid when this bit is not set to 1.
These bits specify the range of Interface numbers to be supported.
IFNO1 IFNO0 Valid Interface No.
1 1 0, 1, 2, 3, 4
1 0 0, 1, 2, 3
0 1 0, 1, 2
0 0 0, 1
1, 0 IFNO1, IFNO0