44 lines
1.1 KiB
YAML
44 lines
1.1 KiB
YAML
description: Microchip MCP4728 12-bit 4-channel DAC
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compatible: "microchip,mcp4728"
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include: [dac-controller.yaml, i2c-device.yaml]
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properties:
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"#io-channel-cells":
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const: 1
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voltage_reference:
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type: array
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required: true
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description: |
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DAC voltage reference select.
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0 - Vdd
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1 - Internal voltage reference (2.048V)
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Note: array entries correspond to the successive channels
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power_down_mode:
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type: array
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required: true
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description: |
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Power-down mode select.
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0 - normal mode
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1 - Vout is loaded with 1 kOhm resistor to ground
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2 - Vout is loaded 100 kOhm resistor to ground
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3 - Vout is loaded with 500 kOhm resistor to ground
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Note: with values bigger than 0 most of channel circuits are powered off
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Note: array entries correspond to the successive channels
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gain:
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type: array
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default: [0, 0, 0, 0]
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description: |
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Gain selection bit.
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0 = x1 (gain of 1)
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1 = x2 (gain of 2)
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Note: applicable only when internal Vref is selected
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Note: array entries correspond to the successive channels
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io-channel-cells:
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- output
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