Regviz

Espressif Systems /ESP32-C2 /SPI0 /CTRL

Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text

Interpret as CTRL

Share

Cut and paste this URL to share the unmodified register and value:

https://regviz.com/r/Espressif Systems/ESP32-C2/SPI0/CTRL#0x0

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 (FDUMMY_OUT)FDUMMY_OUT 0 (FCMD_DUAL)FCMD_DUAL 0 (FCMD_QUAD)FCMD_QUAD 0 (FASTRD_MODE)FASTRD_MODE 0 (FREAD_DUAL)FREAD_DUAL 0 (Q_POL)Q_POL 0 (D_POL)D_POL 0 (FREAD_QUAD)FREAD_QUAD 0 (WP)WP 0 (FREAD_DIO)FREAD_DIO 0 (FREAD_QIO)FREAD_QIO

Description

SPI0 control register.

Fields

FDUMMY_OUT

In the dummy phase the signal level of spi is output by the spi controller.
FCMD_DUAL

Apply 2 signals during command phase 1:enable 0: disable
FCMD_QUAD

Apply 4 signals during command phase 1:enable 0: disable
FASTRD_MODE

This bit enable the bits: SPI_MEM_FREAD_QIO, SPI_MEM_FREAD_DIO, SPI_MEM_FREAD_QOUT AND SPI_MEM_FREAD_DOUT. 1: enable 0: disable.
FREAD_DUAL

In the read operations, read-data phase apply 2 signals. 1: enable 0: disable.
Q_POL

The bit is used to set MISO line polarity, 1: high 0, low
D_POL

The bit is used to set MOSI line polarity, 1: high 0, low
FREAD_QUAD

In the read operations read-data phase apply 4 signals. 1: enable 0: disable.
WP

Write protect signal output when SPI is idle. 1: output high, 0: output low.
FREAD_DIO

In the read operations address phase and read-data phase apply 2 signals. 1: enable 0: disable.
FREAD_QIO

In the read operations address phase and read-data phase apply 4 signals. 1: enable 0: disable.

Links

()

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.

 ()

Register Reference

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