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42 lines
1.4 KiB
Plaintext
42 lines
1.4 KiB
Plaintext
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# Copyright (c) 2020 Freie Universitaet Berlin
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#
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# This file is subject to the terms and conditions of the GNU Lesser
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# General Public License v2.1. See the file LICENSE in the top level
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# directory for more details.
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#
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menuconfig KCONFIG_MODULE_AT86RF215
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bool "Configure AT86RF215 driver"
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depends on MODULE_AT86RF215
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help
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Configure the AT86RF215 driver using Kconfig.
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if KCONFIG_MODULE_AT86RF215
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config AT86RF215_USE_CLOCK_OUTPUT
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bool "Enable clock output"
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help
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Enable this to enable the clock output pin of the AT86RF215 chip.
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This way it can be used as a clock source in place of a separate crystal.
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You also have to enable this if you want to measure the clock frequency
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for trimming. After proper trim value is applied this may be disabled
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if not used otherwise.
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By Default it is turned off to save energy.
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config AT86RF215_TRIM_VAL_EN
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bool "Enable crystal oscillator trimming"
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help
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Enable crystal oscillator trimming.
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config AT86RF215_TRIM_VAL
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int "Trim value for the crystal oscillator"
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range 0 15
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default 0
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depends on AT86RF215_TRIM_VAL_EN
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help
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Each increment adds 300nF capacitance between the crystal oscillator pins
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TCXO and XTAL2.Tweak the value until the measured clock output matches
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26 MHz the best.
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For more information Refer Table 6-25 TRIM in Datasheet
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endif # KCONFIG_MODULE_AT86RF215
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