C8051F340/1/2/3/4/5/6/7
13.7.2. Multiplexed Mode
13.7.2.1.16-bit MOVX: EMI0CF[4:2] = ‘001’, ‘010’, or ‘011’.
Muxed 16-bit WRITE
ADDR[15:8]
AD[7:0]
P3
P4
EMIF ADDRESS (8 MSBs) from DPH
EMIF ADDRESS (8 LSBs) from
DPL
T
ALEH
P3
P4
EMIF WRITE DATA
T
ALEL
ALE
P1.3
T
T
ACS
WDS
P1.3
T
T
ACW
WDH
ACH
T
/WR
/RD
P1.7
P1.6
P1.7
P1.6
Muxed 16-bit READ
ADDR[15:8]
AD[7:0]
P3
P4
EMIF ADDRESS (8 MSBs) from DPH
EMIF ADDRESS (8 LSBs) from
DPL
T
ALEH
P3
P4
EMIF READ DATA
T
ALEL
T
RDS
T
RDH
ALE
P1.3
P1.3
T
/RD
/WR
P1.6
P1.7
ACS
T
ACW
T
ACH
P1.6
P1.7
Figure 13.8. Multiplexed 16-bit MOVX Timing
134
Rev. 1.0