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Raspberry Pi /RP2040 /ROSC /FREQA

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Interpret as FREQA

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31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0DS00DS10DS20DS30PASSWD

Description

The FREQA & FREQB registers control the frequency by controlling the drive strength of each stage The drive strength has 4 levels determined by the number of bits set Increasing the number of bits set increases the drive strength and increases the oscillation frequency 0 bits set is the default drive strength 1 bit set doubles the drive strength 2 bits set triples drive strength 3 bits set quadruples drive strength

Fields

DS0

Stage 0 drive strength
DS1

Stage 1 drive strength
DS2

Stage 2 drive strength
DS3

Stage 3 drive strength
PASSWD

Set to 0x9696 to apply the settings Any other value in this field will set all drive strengths to 0

38550 (PASS): undefined

Links

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Register License

Copyright © 2020 Raspberry Pi (Trading) Ltd.

SPDX-License-Identifier: BSD-3-Clause

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Register Reference

https://github.com/cmsis-svd/cmsis-svd-data