Datasheet

V850ES/JG3-H, V850ES/JH3-H CHAPTER 21 USB FUNCTION CONTROLLER (USBF)
R01UH0042EJ0500 Rev.5.00 Page 1122 of 1513
Aug 12, 2011
(37) UF0 alternative setting status register (UF0ASS)
This register indicates the current status of the Alternative Setting.
This register is read-only, in 8-bit units.
Check this register when the SET_INT interrupt request has been issued. The value received by the
SET_INTERFACE request is reflected on the UF0IFn register (n = 0 to 4) as well as on this register.
0UF0ASS 0
5
00
3
AL5ST3
2
AL5ST2
1
AL5ST1 AL2ST
Address
00200084H
After reset
00H
0467
Bit position Bit name Function
These bits indicate the current status of the five-series Alternative Setting.
AL5ST3 AL5ST2 AL5ST1 Selected Alternative Setting number
1 0 0 Alternative Setting 4
0 1 1 Alternative Setting 3
0 1 0 Alternative Setting 2
0 0 1 Alternative Setting 1
0 0 0 Alternative Setting 0
3 to 1
AL5ST3 to
AL5ST1
0 AL2ST
This bit indicates the current status of the two-series Alternative Setting (selected
Alternative Setting number).
1: Alternative Setting 1
0: Alternative Setting 0