MCP4XXX Digital Potentiometer Daughter Board User’s Guide
C.1
C.2
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 P ot 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
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
DS51621A-page 32
? 2006 Microchip Technology Inc.
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