Datasheet

 2007-2012 Microchip Technology Inc. DS39778E-page 181
PIC18F87J11 FAMILY
FIGURE 12-9: DEMULTIPLEXED ADDRESSING MODE (SEPARATE READ AND WRITE
STROBES, TWO CHIP SELECTS)
FIGURE 12-10: PARTIALLY MULTIPLEXED ADDRESSING MODE (SEPARATE READ AND
WRITE STROBES, TWO CHIP SELECTS)
FIGURE 12-11: FULLY MULTIPLEXED ADDRESSING MODE (SEPARATE READ AND WRITE
STROBES, TWO CHIP SELECTS)
PMRD
PMWR
PMD<7:0>
PMCS1
PMA<13:0>
PMCS2
PIC18F
Address Bus
Data Bus
Control Lines
PMRD
PMWR
PMD<7:0>
PMCS1
PMA<13:8>
PMALL
PMA<7:0>
PMCS2
PIC18F
Address Bus
Multiplexed
Data and
Address Bus
Control Lines
PMRD
PMWR
PMD<7:0>
PMCS1
PMALH
PMA<13:8>
PMCS2
PIC18F
Multiplexed
Data and
Address Bus
Control Lines
PMALL