PIC18F4439T-I/ML【PDF 177/322 页】IC MCU FLASH 6KX16 EE A/D 44QFN

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PIC18FXX39

DS30485A-page 256

Preliminary

2002 Microchip Technology Inc.

22.13 PICDEM 3 Low Cost PIC16CXXX

Demonstration Board

The PICDEM 3 demonstration board is a simple dem-

onstration board that supports the PIC16C923 and

PIC16C924 in the PLCC package. It will also support

future 44-pin PLCC microcontrollers with an LCD Mod-

ule. All the necessary hardware and software is

included to run the basic demonstration programs. The

user can program the sample microcontrollers pro-

vided with the PICDEM 3 demonstration board on a

PRO MATE II device programmer, or a PICSTART Plus

development programmer with an adapter socket, and

easily test firmware. The MPLAB ICE in-circuit emula-

tor may also be used with the PICDEM 3 demonstration

board to test firmware. A prototype area has been pro-

vided to the user for adding hardware and connecting it

to the microcontroller socket(s). Some of the features

include a RS-232 interface, push button switches, a

potentiometer for simulated analog input, a thermistor

and separate headers for connection to an external

LCD module and a keypad. Also provided on the

PICDEM 3 demonstration board is a LCD panel, with 4

commons and 12 segments, that is capable of display-

ing time, temperature and day of the week. The

PICDEM 3 demonstration board provides an additional

RS-232 interface and Windows software for showing

the demultiplexed LCD signals on a PC. A simple serial

interface allows the user to construct a hardware

demultiplexer for the LCD signals.

22.14 PICDEM 17 Demonstration Board

The PICDEM 17 demonstration board is an evaluation

board that demonstrates the capabilities of several

Microchip microcontrollers, including PIC17C752,

PIC17C756A, PIC17C762 and PIC17C766. All neces-

sary hardware is included to run basic demo programs,

which are supplied on a 3.5-inch disk. A programmed

sample is included and the user may erase it and

program it with the other sample programs using the

PRO MATE II device programmer, or the PICSTART

Plus development programmer, and easily debug and

test the sample code. In addition, the PICDEM 17 dem-

onstration board supports downloading of programs to

and executing out of external FLASH memory on board.

The PICDEM 17 demonstration board is also usable

with the MPLAB ICE in-circuit emulator, or the

PICMASTER emulator and all of the sample programs

can be run and modified using either emulator. Addition-

ally, a generous prototype area is available for user

hardware.

22.15 KEELOQ Evaluation and

Programming Tools

KEELOQ evaluation and programming tools support

Microchip’s HCS Secure Data Products. The HCS eval-

uation kit includes a LCD display to show changing

codes, a decoder to decode transmissions and a pro-

gramming interface to program test transmitters.

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