8
AT89C55WD
1921B–MICRO–09/02
Table 4 . AUXR1: Auxiliary Register 1
AUXR1 Address = A2H Reset Value = XXXXXXX0B
Not Bit Addressable
––– – – – –DPS
Bit 7 6 5 4 3 2 1 0
– Reserved for future expansion
DPS Data Pointer Register Select
DPS
0 Selects DPTR Registers DP0L, DP0H
1 Selects DPTR Registers DP1L, DP1H
