MS51
Nov. 28, 2019
Page
467
of 491
Rev 1.00
MS51
32K
SE
RIES
TE
CHNICAL RE
F
EREN
CE MA
N
UAL
DPH
– Data Pointer High Byte
Register
SFR Address
Reset Value
DPH
83H, All pages
0000_0000b
7
6
5
4
3
2
1
0
DPH[7:0]
R/W
Bit
Name
Description
7:0
DPH[7:0]
Data pointer high byte
This is the high byte of 16-bit data pointer. DPH combined with DPL serve as a 16-bit data pointer
DPTR to access indirect addressed RAM or Program Memory. DPS (AUXR0.0) bit decides which
data pointer, DPTR or DPTR1, is activated.