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ESP8266 Datasheet(PDF) 5 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD. |
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ESP8266 Datasheet(HTML) 5 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD. |
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5 / 117 page  3.2.4. ESP8266 FLASH Software Downloading 14 ................................................................... 3.3. ESP8266 Software Instruction 15 ................................................................................................. 3.3.1. Protocol Principle: SDIO Line Breakage and SDIO Status Register 15 ........................... 3.3.2. Instructions on The Read/Write Buffer and The Registration Linked List 16 ................... 3.3.3. API Functions in The ESP8266 DEMO 17 ....................................................................... 3.4. STM32 Software Instruction 18 .................................................................................................... 3.4.1. Important functions 18 ..................................................................................................... 4. SPI Communication User Guide 21 ........................................................................................... 4.1. Overview 21 .................................................................................................................................. 4.1.1. Functional Overview 21 ................................................................................................... 4.1.2. SPI Features 21 ............................................................................................................... 4.2. ESP8266 SPI Master Protocol Format 21 ..................................................................................... 4.2.1. Communication Format Supported by Master SPI 21 .................................................... 4.2.2. Master SPI Communication Format Supported by Current API 22 ................................. 4.3. ESP8266 SPI Slave Protocol Format 22 ....................................................................................... 4.3.1. SPI Slave Clock Polarity Configuration Requirement 22 ................................................. 4.3.2. Communication Format Supported by Slave SPI 22 ....................................................... 4.3.3. Command Definition Supported by Slave SPI 22 ............................................................ 4.3.4. Slave SPI Communication Format Supported by Current API 23 ................................... 4.4. API Function Description of SPI Module 23 .................................................................................. 4.4.1. API Function Description of Master SPI 23 ..................................................................... 4.4.2. Master SPI API Function Description 25 ......................................................................... 4.5. SPI Interface Description 27 ......................................................................................................... 4.5.1. Data Structure 27 ............................................................................................................. 4.5.2. API Description 30 ........................................................................................................... 4.5.3. SPI_Test Demo 35 ........................................................................................................... 5. SPI Overlap & Display Application Guide 46 ............................................................................. 5.1. Functional Overview 46 ................................................................................................................. 5.2. Hardware Connection of SPI Overlap Mode 47 ............................................................................ 5.3. API Description of SPI Overlap Mode 47 ...................................................................................... 5.4. Display Screen Console Program DEMO 48 ................................................................................. 5.4.1. Connection Description 48 .............................................................................................. 5.4.2. API Function Description 48 ............................................................................................ 5.4.3. Pre-compiled Macro Setting 50 ....................................................................................... 6. SPI Wi-Fi Passthrough 1-Interrupt Mode 51 ............................................................................. |
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