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Kernel driver MCP3021
======================
Supported chips:
* Microchip Technology MCP3021
Prefix: 'mcp3021'
Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/21805a.pdf
Author: Mingkai Hu
Description
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This driver implements support for the Microchip Technology MCP3021 chip.
The Microchip Technology Inc. MCP3021 is a successive approximation A/D
converter (ADC) with 10-bit resolution.
This device provides one single-ended input with very low power consumption.
Communication to the MCP3021 is performed using a 2-wire I2C compatible
interface. Standard (100 kHz) and Fast (400 kHz) I2C modes are available.
The default I2C device address is 0x4d (contact the Microchip factory for
additional address options).
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