PIC24FJ256GA110_10 Datasheet, PDF (208/330 Pages) Microchip Technology – 64/80/100-Pin, 16-Bit, General Purpose Flash Microcontrollers with Peripheral Pin Select

PIC24FJ256GA110 FAMILY
FIGURE 18-2:
LEGACY PARALLEL SLAVE PORT EXAMPLE
Master
PMD<7:0>
PMCS1
PMRD
PMWR
PIC24F Slave
PMD<7:0>
PMCS1
PMRD
PMWR
Address Bus
Data Bus
Control Lines
FIGURE 18-3:
ADDRESSABLE PARALLEL SLAVE PORT EXAMPLE
Master
PMA<1:0>
PMD<7:0>
PMA<1:0>
PIC24F Slave
PMD<7:0>
Write
Address
Decode
Read
Address
Decode
PMCS1
PMRD
PMWR
Address Bus
Data Bus
Control Lines
PMCS1
PMRD
PMWR
PMDOUT1L (0)
PMDOUT1H (1)
PMDOUT2L (2)
PMDOUT2H (3)
PMDIN1L (0)
PMDIN1H (1)
PMDIN2L (2)
PMDIN2H (3)
TABLE 18-1: SLAVE MODE ADDRESS RESOLUTION
PMA<1:0>
Output Register (Buffer)
00
PMDOUT1<7:0> (0)
01
PMDOUT1<15:8> (1)
10
PMDOUT2<7:0> (2)
11
PMDOUT2<15:8> (3)
Input Register (Buffer)
PMDIN1<7:0> (0)
PMDIN1<15:8> (1)
PMDIN2<7:0> (2)
PMDIN2<15:8> (3)
FIGURE 18-4:
MASTER MODE, DEMULTIPLEXED ADDRESSING (SEPARATE READ AND
WRITE STROBES, TWO CHIP SELECTS)
PIC24F
PMA<13:0>
PMD<7:0>
PMCS1
PMCS2
PMRD
PMWR
Address Bus
Data Bus
Control Lines
DS39905E-page 208
 2010 Microchip Technology Inc.