Datasheet

MCP4XXX Digital Potentiometer Daughter Board User’s Guide

C.1 WHAT IS TESTED

The following portions of the board are tested:

• MCP42010 (in U1 and U2)

- U1 MCP42010 Pot 0 and Pot 1 are tested in Potentiometer configuration.

- U2 MCP42010 Pot 0 and Pot 1 are tested in Rheostat configuration.

• JMP1 (P1 – P2) - CS0

to U1

• JMP2 (P2 – P3) - PICDEM FS USB Demo Board Configuration

• JMP3 (P2 – P3) - PICDEM FS USB Demo Board Configuration

• JMP4 (P2 – P3) - PICDEM FS USB Demo Board Configuration

• JMP5 (P1 – P2) - CS1

from H3 RE2 pin

• JMP6 (P1 – P2) - CS0

from H3 RC1 pin

• JP2, JP6, JP9, and JP10

• H3 Header Signals: VDD, GND, RC5 (SDO), RC3 (SCK/SCL), RC1 (CS0), and

RE2 (CS1)

• Pads:U1P1B, U1P1W, U2P1A, U1P0B (U2P0W), U1P0W, and U1P0A

C.2 WHAT IS NOT TESTED

The following portions of the board are NOT tested:

• MCP4021 (U3)

• TC1240A (U4)

• SN74AHT1G32DBVR (U5)

• JP7 in Daisy Chain Configuration

• JMP1 (P1 – P2) - CS0

to U3

• JMP2 (P1 – P2) - PICDEM FS USB Demo Board Configuration

• JMP3 (P1 – P2) - PICDEM FS USB Demo Board Configuration

• JMP4 (P1 – P2) - PICDEM FS USB Demo Board Configuration

• JMP5 (P2 – P3) - CS1

from TC1240A VOUT pin

• JMP6 (P2 – P3) - CS0

from TC1240A VOUT pin

• JP1, JP3, JP4, JP5, JP11, JP12, and JP13

• H3 Header Signals: RA5 (WP1), RA4 (WP0), RA3 (VIN), RC4 (SDI/SDA), RA0

(P0W), RA2 (P1W), RC2 (U/D), RC7 (SDO), RB5 (SHDN), RB4 (SHDN1), RB3

(SHDN0), RB1 (SCK/SCL), and RB0 (SDI/SDA)

• Pads: U3UD, U3A, U3W, U3B, U1CS0 (U3CS), U2CS1, U2P1W, U2P1A, U2P0A,

and U2P0B

• Connections to unpopulated components