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Espressif Systems /ESP32-P4 /LP_I2S0 /RX_PDM_CONF

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Interpret as RX_PDM_CONF

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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 0 (RX_PDM2PCM_EN)RX_PDM2PCM_EN 0 (RX_PDM_SINC_DSR_16_EN)RX_PDM_SINC_DSR_16_EN 0RX_PDM2PCM_AMPLIFY_NUM 0 (RX_PDM_HP_BYPASS)RX_PDM_HP_BYPASS 0RX_IIR_HP_MULT12_5 0RX_IIR_HP_MULT12_0

Description

I2S RX configure register

Fields

RX_PDM2PCM_EN

1: Enable PDM2PCM RX mode. 0: DIsable.
RX_PDM_SINC_DSR_16_EN

Configure the down sampling rate of PDM RX filter group1 module. 1: The down sampling rate is 128. 0: down sampling rate is 64.
RX_PDM2PCM_AMPLIFY_NUM

Configure PDM RX amplify number.
RX_PDM_HP_BYPASS

I2S PDM RX bypass hp filter or not.
RX_IIR_HP_MULT12_5

The fourth parameter of PDM RX IIR_HP filter stage 2 is (504 + LP_I2S_RX_IIR_HP_MULT12_5[2:0])
RX_IIR_HP_MULT12_0

The fourth parameter of PDM RX IIR_HP filter stage 1 is (504 + LP_I2S_RX_IIR_HP_MULT12_0[2:0])

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Register License

Copyright 2024 Espressif Systems (Shanghai) PTE LTD

Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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Register Reference

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