MS51
Nov. 28, 2019
Page
468
of 491
Rev 1.00
MS51
32K
SE
RIES
TE
CHNICAL RE
F
EREN
CE MA
N
UAL
AUXR1
– Auxiliary Register 1
Register
SFR Address
Reset Value
AUXR1
A2H , Page 0
POR: 0000 0000b,
Software reset: 1U00 0000b,
nRESET pin: U100 0000b,
Others: UUU0 0000b
7
6
5
4
3
2
1
0
SWRF
RSTPINF
HardF
SLOW
GF2
UART0PX
0
DPS
R/W
R/W
R/W
R/W
R/W
R/W
R
R/W
Bit
Name
Description
3
GF2
General purpose flag 2
The general purpose flag that can be set or cleared by the user via software.
0
DPS
Data pointer select
0 = Data pointer 0 (DPTR) is active by default.
1 = Data pointer 1 (DPTR1) is active.
After DPS switches the activated data pointer, the previous inactivated data pointer remains its
original value unchanged.
