MCP402XEV Microchip Technology, MCP402XEV Datasheet - Page 19

• Manufacturer Part Number: MCP402XEV
• Description: BOARD EVAL FOR MCP402X
• Manufacturer: Microchip Technology

Specifications of MCP402XEV

• Main Purpose: Digital Potentiometer
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: MCP4021
• Primary Attributes: 1 Single Pot, 10 kOhm, 64 Tap, Non Volatile
• Secondary Attributes: 2.7 ~ 5.5 V, 150 ppm/°C
• Processor To Be Evaluated: MCP402X
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

TABLE 2-2:
© 2005 Microchip Technology Inc.
Step Action
11
12
13
On the Digital Potentiometer Evaluation Board:
Implement Command #1 (see Table 2-1).
On the Digital Potentiometer Evaluation Board:
Turn off/disconnect power supply.
On the Digital Potentiometer Evaluation Board:
Re-apply power to Digital Potentiometer Evaluation
Board.
MEASURING RATIOMETRIC VOLTAGE (CONTINUED)
Installation and Operation
Result
On the Digital Potentiometer Evaluation Board:
Wiper is NOT moved due to the wiper being locked
(WiperLock™ Technology is enabled).
On DMM:
Voltage equals approximately 3.38V.
On DMM:
Voltage equals approximately 0V.
On DMM:
Voltage equals approximately 3.38V. This shows that
the MCP4021 retained the last saved wiper setting.
DS51546B-page 15