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Espressif Systems /ESP32-S2 /APB_SARADC /CTRL

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Interpret as CTRL

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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 (START_FORCE)START_FORCE 0 (START)START 0WORK_MODE 0 (SAR_SEL)SAR_SEL 0 (SAR_CLK_GATED)SAR_CLK_GATED 0SAR_CLK_DIV0SAR1_PATT_LEN 0SAR2_PATT_LEN 0 (SAR1_PATT_P_CLEAR)SAR1_PATT_P_CLEAR 0 (SAR2_PATT_P_CLEAR)SAR2_PATT_P_CLEAR 0 (DATA_SAR_SEL)DATA_SAR_SEL 0 (DATA_TO_I2S)DATA_TO_I2S 0XPD_SAR_FORCE 0WAIT_ARB_CYCLE

Description

DIG ADC common configuration

Fields

START_FORCE

0: select FSM to start SAR ADC. 1: select software to start SAR ADC.
START

Start SAR ADC by software.
WORK_MODE

0: single-channel scan mode. 1: double-channel scan mode. 2: alternate-channel scan mode.
SAR_SEL

0: select SAR ADC1. 1: select SAR ADC2, only work for single-channel scan mode.
SAR_CLK_GATED

SAR clock gate enable bit.
SAR_CLK_DIV

SAR clock divider
SAR1_PATT_LEN

0 ~ 15 means length 1 ~ 16
SAR2_PATT_LEN

0 ~ 15 means length 1 ~ 16
SAR1_PATT_P_CLEAR

Clear the pointer of pattern table for DIG ADC1 CTRL.
SAR2_PATT_P_CLEAR

Clear the pointer of pattern table for DIG ADC2 CTRL.
DATA_SAR_SEL

1: sar_sel will be coded to the MSB of the 16-bit output data, in this case the resolution should not be larger than 11 bits.
DATA_TO_I2S

1: I2S input data is from SAR ADC (for DMA), 0: I2S input data is from GPIO matrix
XPD_SAR_FORCE

Force option to xpd sar blocks.
WAIT_ARB_CYCLE

Wait arbit signal stable after sar_done.

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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/espressif/svd