Multiplexed Mode; Figure 17.7. Multiplexed 16-Bit Movx Timing - Silicon Laboratories C8051F12 Series Manual

C8051F120/1/2/3/4/5/6/7 C8051F130/1/2/3

17.6.2. Multiplexed Mode

17.6.2.1.16-bit MOVX: EMI0CF[4:2] = '001', '010', or '011'
ADDR[15:8] P2/P6
AD[7:0] P3/P7
ALE P0.5/P4.5
/WR P0.7/P4.7
/RD P0.6/P4.6
ADDR[15:8] P2/P6
AD[7:0] P3/P7
ALE P0.5/P4.5
/RD P0.6/P4.6
/WR P0.7/P4.7

Figure 17.7. Multiplexed 16-bit MOVX Timing

230
Muxed 16-bit WRITE
EMIF ADDRESS (8 MSBs) from DPH
EMIF ADDRESS (8 LSBs) from
DPL
T T
ALEH ALEL
EMIF ADDRESS (8 MSBs) from DPH
EMIF ADDRESS (8 LSBs) from
DPL
T T
ALEH ALEL
Rev. 1.4
EMIF WRITE DATA
T
WDS
T T
ACS ACW
Muxed 16-bit READ
EMIF READ DATA
T
RDS
T T
ACS ACW
P2/P6
P3/P7
P0.5/P4.5
T
WDH
T
ACH
P0.7/P4.7
P0.6/P4.6
P2/P6
P3/P7
T
RDH
P0.5/P4.5
T
ACH
P0.6/P4.6
P0.7/P4.7