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USER’S GUIDE
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MOV TA, #0AAh ; TIMED ACCESS
MOV TA, #55h ; TIMED ACCESS 2
MOV MCON, #10001010b ; SET PAA BIT
. ; USER’S CODE TO LOAD
. ; RAM USING MOVX
.
.
MOV TA, #0AAh ; TIMED ACCESS
MOV TA, #55h ; TIMED ACCESS 2
MOV MCON, #11001000b ; LOAD NEW PARTITION AND CLEAR PAA BIT
RELOADING PORTIONS OF A DS5000 SERIES DEVICE Figure 4–10
7FFFh
6000h
4000h
0000h
LEGEND:
PROGRAM
MEMORY
SPACE
=
=
DATA
MEMORY
SPACE
DATA
MEMORY
SPACE
PROGRAM
MEMORY
SPACE
PROGRAM
MEMORY
SPACE
BEFORE LOADING
PAA=0
PA3–0=1000b
DURING LOADING
PAA=1
PA3–0=XXXXb
AFTER LOADING
PAA=0
PA3–0=1100b
DATA
MEMORY
SPACE
0800h
RANGE (32K)
NEW PARTITION (24K)
OLD PARTITION (16K)
0K
TEMP PARTITION (2K)
NONVOLATILE RAM PROGRAM MEMORY
NONVOLATILE RAM DATA MEMORY