C8051F124-GQR Datasheet, PDF (230/350 Pages) Silicon Laboratories – Mixed Signal ISP Flash MCU Family

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
Muxed 16-bit WRITE
EMIF ADDRESS (8 MSBs) from DPH
EMIF ADDRESS (8 LSBs) from
DPL
T
ALEH
T
ALEL
EMIF WRITE DATA
T
ACS
T
WDS
T
ACW
T
WDH
T
ACH
ADDR[15:8]
P2/P6
AD[7:0]
P3/P7
ALE P0.5/P4.5
Muxed 16-bit READ
EMIF ADDRESS (8 MSBs) from DPH
EMIF ADDRESS (8 LSBs) from
DPL
T
ALEH
T
ALEL
EMIF READ DATA
T
RDS
T
RDH
/RD P0.6/P4.6
/WR P0.7/P4.7
T
ACS
T
ACW
T
ACH
Figure 17.7. Multiplexed 16-bit MOVX Timing
P2/P6
P3/P7
P0.5/P4.5
P0.7/P4.7
P0.6/P4.6
P2/P6
P3/P7
P0.5/P4.5
P0.6/P4.6
P0.7/P4.7
230
Rev. 1.4