User manual

PIC18F87J72 EVALUATION BOARD
USER’S GUIDE
© 2011 Microchip Technology Inc. DS51990A-page 11
Chapter 2. Hardware Description
2.1 INTRODUCTION
This chapter describes the various sections of the hardware present on the evaluation
board. It also describes the different configurations possible for operating the
evaluation board, depending upon the input voltage and current specifications.
Figure 2-1 shows the overall layout of the PIC18F87J72 Evaluation Board where the
different hardware sections are indicated by numbers. Table 2-1 lists the descriptions
for each hardware component.
FIGURE 2-1: Layout of the PIC18F87J72 Evaluation Board.
4
2
5
3
8
11
10
1
13
6
12
7
9
Legend:
1 PIC18F87J72 microcontroller 8 9V battery connector
2 Seven segment LCD 9 MCP2200 – USB to Universal Asynchronous receiver/transmitter (UART)
serial converter
3 High voltage section with connectors 10 Mini B USB receptacle
4 RJ11 connector 11 9V power supply jack
5 Load Cell connector 12 32.768 kHz crystal
6PICtail
™
connector 13 10 MHz crystal
7 Touch sensitive keys