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SYSTEM CONFIGURATION
25
S1 S2 S3 S4 S5 S6
M1
S1 S2 S3 S4 S5 S6
M2
S1
PCL
OUT
INST IN
PCH OUT
PCH OUT PORT 2 LATCH DATA OUT
XTAL1
1
0
ALE
1
0
PSEN
1
0
PORT–0
1
0
PORT–2
1
0
PCH OUT
Rr
OUT
ACC DATA OUT
PCL
OUT
INST IN
WR
1
0
S1 S2 S3 S4 S5 S6
M1
S1 S2 S3 S4 S5 S6
M2
S1
PCL
OUT
INST IN
PCH OUT
PCH OUT DPH OUT
XTAL1
1
0
ALE
1
0
PSEN
1
0
PORT–0
1
0
PORT–2
1
0
PCH OUT
DPL
OUT
RAM DATA IN
EXT RAM
DATA
PCL
OUT
INST IN
RD
1
0
Figure 2-12 MSM80C154S MOVX @Rr, A execution
Figure 2-13 MSM80C154S MOVX A, @DPTR execution
(3) MOVX @Rr, A
(4) MOVX A, @DPTR