38K2 Datasheet, PDF (63/151 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

38K2 Group
b7
b0
0 000 00 0
HUB downstream port index register (HUBINDEX) [address 002A16]
Bit symbol
Bit name
Function
DPIDX
b7:b1
HUB downstream port index bit
Not used
0 : HUB downstream port 1
1 : HUB downstream port 2
Write “0” when writing.
“0” is read when reading.
Fig. 95 Structure of HUB downstream port index register
At reset _{R W}
H/W S/W
0 – OO
– – OO
–: State remaining
Rev.3.00 Oct 15, 2006 page 63 of 147
REJ03B0193-0300