Microchip Technology MCP4728EV User Manual

© 2009 Microchip Technology Inc.

DS51837A-page 7

Figure 1-1 shows the MCP4728 Evaluation Board, and Figure 1-2 shows the 
connection of the MCP4728 Evaluation Board and PICkit Serial Analyzer.

The following steps describe how to use them together:

1.

Connect the MCP4728 Evaluation Board’s 6-pin socket to the PICkit Serial 
Analyzer as shown in Figure 1-2.

2.

Connect the oscilloscope probes to the SCL and SDA test terminals (optional).

3.

Connect a multimeter to one of the DAC’s output test terminal.

4.

V

DD

 Selection: You can use the V

DD

 from the PICkit Serial Analyzer or use your 

own external V

DD

. The JP1 connector selects the V

DD

 path.

(a) Connect JP1, if using V

DD

 from PICkit Serial Analyzer, 

(b) Disconnect JP1 and apply V

DD

 at V

DD

1 pin, if you are using an external V

DD

.

•   I

2

C device code of MCP4728: ‘1100’

• A2, A1, A0 Address Bits: Pre-programmed to‘000’.

5.

: LED D1 turns on when V

DD

 is applied. The PICkit Serial 

Analyzer will provide V

DD

 automatically, if it is connected to the PC. Make sure 

LED D1 turns on.

6.

Use the PICkit Serial Analyzer PC GUI to send I

2

C write and read commands.