Oki MSM85C154HVS - MSM83 C154 S Fundamental Operation Time Charts; MOVX @Rr, a; MOVX A, @Rr

SYSTEM CONFIGURATION
27
S1 S2 S3 S4 S5 S6
M1
S1 S2 S3 S4 S5 S6
M2
S1
PORT 0 LATCH DATA
XTAL1
1
0
ALE
1
0
PSEN
1
0
PORT–0
1
0
PORT–2
1
0
Rr
OUT
EXT RAM
DATA
FLOATING
RD
1
0
PORT 2 LATCH DATA OUT
RAM DATA IN
S1 S2 S3 S4 S5 S6
M1
S1 S2 S3 S4 S5 S6
M2
S1
PORT 0 LATCH DATA
XTAL1
1
0
ALE
1
0
PSEN
1
0
PORT–0
1
0
PORT–2
1
0
Rr
OUT
ACC DATA OUT
FLOATING
WR
1
0
PORT 2 LATCH DATA OUT
2.6.4 MSM83C154S fundamental operation time charts
Figure 2-16 MSM83C154S MOVX A, @Rr execution
Figure 2-17 MSM83C154S MOVX @Rr, A execution
(1) MOVX A, @Rr
(2) MOVX @Rr, A