Microchip PIC24FJ64GA006 Manual

Microchip Ikke kategoriseret PIC24FJ64GA006

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Side 1/36

Parallel Master

Port (PMP)

Section 13. Parallel Master Port (PMP)

HIGHLIGHTS

This section of the manual contains the following major topics:

13.1 Introduction .................................................................................................................. 13-2

13.2 Module Registers......................................................................................................... 13-3

13.3 Slave Port Modes....................................................................................................... 13-11

13.4 Master Port Modes..................................................................................................... 13-16

13.5 Application Examples................................................................................................. 13-27

13.6 Operation in Power Save Modes ............................................................................... 13-30

13.7 AC Electrical Specifications ....................................................................................... 13-31

13.8 Register Maps ............................................................................................................ 13-34

13.9 Related Application Notes.......................................................................................... 13-35

13.10 Revision History ......................................................................................................... 13-36

PIC24F Family Reference Manual

13.1 INTRODUCTION

The Parallel Master Port (PMP) is a parallel, 8-bit I/O module specifically designed to

communicate with a wide variety of parallel devices, such as communications peripherals, LCDs,

external memory devices and microcontrollers. Because the interface to parallel peripherals

varies significantly, the PMP module is highly configurable.

Key features of the PMP module include:

• 8 Data Lines

• Up to 16 Programmable Address Lines

• Up to 2 Chip Select Lines

• Programmable Strobe Options:

- individual read and write strobes, or

- read/write strobe with enable strobe

• Address Auto-Increment/Auto-Decrement

• Programmable Address/Data Multiplexing

• Programmable Polarity on Control Signals

• Legacy Parallel Slave Port (PSP) Support

• Enhanced Parallel Slave Support:

- address support

- 4-byte deep auto-incrementing buffer

• Programmable Wait States

Figure 13-1: PMP Module Pinout and Connections to External Devices

PMA0

PMA14

PMA15

PMBE

PMRD

PMWR

PMD<7:0>

PMENB

PMRD/PMWR

PMCS1

PMA1

PMA<13:2>

PMALL

PMALH

PMA<7:0>

PMA<15:8>

PMCS2

EEPROM

Address Bus

Data Bus

Control Lines

PIC24F

LCD FIFO

Microcontroller

8-Bit Data (with or without multiplexed addressing)

Up to 16-Bit Address

Parallel Master Port

Buffer

Produkt Specifikationer

Mærke:	Microchip
Kategori:	Ikke kategoriseret
Model:	PIC24FJ64GA006

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