PICDEM2 datasheet(7/60 Pages) MICROCHIP

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PICDEM 2 User’s Guide

DS30374D-page 2

 2001 Microchip Technology Inc.

1.2 PICDEM 2 Demonstration Board

The PICDEM 2 demonstration board has the following hardware features:

40- and 28-pin DIP sockets (Although 2 sockets are provided, only one

device may be used at a time.)

On-board +5V regulator for direct input from 9V, 100mA AC/DC wall

adapter or 9V battery, or hooks for a +5V, 100mA regulated DC supply.

RS-232C socket and associated hardware for direct connection to

RS-232C interface.

Unpopulated holes for

Access.bus

 connector and associated

hardware.

5K pot for devices with analog inputs.

Three push button switches for external stimulus and RESET.

Green power-on indicator LED.

Eight red LEDs connected to PORTB for displaying 8-bit binary values.

Jumper to disconnect LEDs from PORTB.

10. Socket for “canned” crystal oscillator.

11. Unpopulated holes provided for crystal connection.

12. Unpopulated holes provided for Timer1 external crystal.

13. Jumper to disconnect on-board RC oscillator (approximately 2 MHz).

14. 128 x 8 Serial EEPROM.

15. LCD module header.

16. Keyboard header.

17. Prototype area for user hardware.

Figure 1.2: PICDEM 2 Hardware

PICDEM2 数据表(PDF) 7 Page - Microchip Technology