Evaluation Board for CD1020 - 22-Channel Switch Detection Interface

FRDMCD1020EVM
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The FRDMCD1020EVM Evaluation Board (EVB) features the CD1020, a 22-channel switch detection interface with a programmable wetting current.

The kit is designed to detect the opening and closing of up to 22 switch contacts. The switch status, either open or closed, is transferred to the microprocessor unit (MCU) through a serial peripheral interface (SPI). The device also features a 22-to-1 analog multiplexer for reading the analog voltage at the inputs.

Supported Devices

Interfaces

Multi-Switch Detection Interface

  • CD1020: Low-Cost 22-CH Multiple Switch Detect Interface

Features

General Specifications

  • CD1020 device with 22 channel switch detection and status report capability

Connectivity

  • Single row interface connectors for the NXP FRDM-KL25Z preprogrammed communication board
  • Single load connector with 36 pins, 100 MIL pin spacing for easy interface with external switch loads

Power Management

  • Direct connection to battery power with optional 3.3 V / 5.0 V LDO for VDDQ rail supply

Components

  • Status LEDs to report the status of the CD1020 Interrupt (INT) and wake-up lines

Buy Options

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FRDMCD1020EVM
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Freedom Expansion Board, CD1020, 22 switch detection interface.

    $100.68 USD
    In Stock :20

    Normally ships 1-2 business days

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