48GA004 datasheet(174/268 Pages) MICROCHIP

Part #	48GA004

Description	28/44-Pin General Purpose, 16-Bit Flash Microcontrollers

PDF	268 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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174 / 268 page

PIC24FJ64GA004 FAMILY

DS39881D-page 174

 2010 Microchip Technology Inc.

FIGURE 18-2:

LEGACY PARALLEL SLAVE PORT EXAMPLE

FIGURE 18-3:

ADDRESSABLE PARALLEL SLAVE PORT EXAMPLE

TABLE 18-1:

SLAVE MODE ADDRESS RESOLUTION

FIGURE 18-4:

MASTER MODE, DEMULTIPLEXED ADDRESSING (SEPARATE READ AND

WRITE STROBES, SINGLE CHIP SELECT)

PMA<1:0>

Output Register (Buffer)

Input Register (Buffer)

PMDOUT1<7:0> (0)

PMDIN1<7:0> (0)

PMDOUT1<15:8> (1)

PMDIN1<15:8> (1)

PMDOUT2<7:0> (2)

PMDIN2<7:0> (2)

PMDOUT2<15:8> (3)

PMDIN2<15:8> (3)

PMD<7:0>

PMRD

PMWR

Master

Address Bus

Data Bus

Control Lines

PMCS1

PMD<7:0>

PMRD

PMWR

PIC24F Slave

PMCS1

PMD<7:0>

PMRD

PMWR

Master

PMCS1

PMA<1:0>

Address Bus

Data Bus

Control Lines

PMRD

PMWR

PIC24F Slave

PMCS1

PMDOUT1L (0)

PMDOUT1H (1)

PMDOUT2L (2)

PMDOUT2H (3)

PMDIN1L (0)

PMDIN1H (1)

PMDIN2L (2)

PMDIN2H (3)

PMD<7:0>

Write

Address

Decode

Read

Address

Decode

PMA<1:0>

PMRD

PMWR

PMD<7:0>

PMCS1

PMA<10:0>

PIC24F

Address Bus

Data Bus

Control Lines

48GA004 Datasheet(PDF) 174 Page - Microchip Technology

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