ESP32
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* UMA 兼容和认证 | * UMA 兼容和认证 | ||
* 天线分集与选择 | * 天线分集与选择 | ||
+ | |||
+ | <br> | ||
+ | |||
+ | == 版本 == | ||
+ | |||
+ | {| class="wikitable" | ||
+ | !Identifier | ||
+ | !Processor cores | ||
+ | !Internal Flash memory (MB) | ||
+ | !Package size | ||
+ | !Description | ||
+ | |- | ||
+ | | ESP31B | ||
+ | | style="text-align:center" | 2 | ||
+ | | style="text-align:center" | 0 | ||
+ | | style="text-align:center" | 6×6 mm<sup>2</sup> | ||
+ | | Pre-release SoC used for beta testing; no longer available. | ||
+ | |- | ||
+ | | ESP32-D0WDQ6 | ||
+ | | style="text-align:center" | 2 | ||
+ | | style="text-align:center" | 0 | ||
+ | | style="text-align:center" | 6×6 mm<sup>2</sup> | ||
+ | | Initial production release chip of the ESP32 series. | ||
+ | |- | ||
+ | | ESP32‑D0WD | ||
+ | | style="text-align:center" | 2 | ||
+ | | style="text-align:center" | 0 | ||
+ | | style="text-align:center" | 5×5 mm<sup>2</sup> | ||
+ | | Smaller physical package variation similar to ESP32-D0WDQ6. | ||
+ | |- | ||
+ | | ESP32‑D2WD | ||
+ | | style="text-align:center" | 2 | ||
+ | | style="text-align:center" | 2 | ||
+ | | style="text-align:center" | 5×5 mm<sup>2</sup> | ||
+ | | 2 MiB (16 Mibit) embedded flash memory variation. | ||
+ | |- | ||
+ | | ESP32‑S0WD | ||
+ | | style="text-align:center" | 1 | ||
+ | | style="text-align:center" | 0 | ||
+ | | style="text-align:center" | 5×5 mm<sup>2</sup> | ||
+ | | Single-core processor variation. | ||
+ | |} | ||
<br> | <br> | ||
== Pin Map == | == Pin Map == | ||
+ | |||
+ | [[文件:ESP32-6x6-pinmap.jpg | 600px]][[文件:ESP32-5x5-pinmap.jpg | 600px]] | ||
<br><br> | <br><br> | ||
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* [[ESP32 RTC]] ULP Co-processor | * [[ESP32 RTC]] ULP Co-processor | ||
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* [[ESP32 I2S]] | * [[ESP32 I2S]] | ||
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<br><br> | <br><br> | ||
+ | |||
+ | == 开发板 == | ||
+ | |||
+ | [[文件:Quantum-6.jpg | 600px ]] | ||
+ | [[文件:Quantum-3.jpg | 600px ]] | ||
+ | [[文件:Quantum-4.jpg | 600px ]] | ||
+ | [[文件:Quantum-5.jpg | 600px ]] | ||
+ | |||
+ | |||
+ | * CP2102 USB to UART Chip | ||
+ | * ESP32 Bluetooth and WiFi SoC | ||
+ | * 40MHz Crystal (±10ppm, ±10ppm) | ||
+ | * 16MB SPI Flash | ||
+ | * 5V - 12V Power Supply | ||
+ | * FreeRTOS | ||
+ | |||
+ | |||
+ | 更多详细信息,移步: [[Noduino Quantum]] | ||
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2018年10月24日 (三) 10:30的最后版本
目录 |
[编辑] 1 Overview
ESP32,集成 2.4 GHz Wi-Fi 和蓝牙双模 SoC,台积电(TSMC) 40 nm工艺
片内集成了天线开关、射频 Balun、 功率放大器、低噪放大器、过滤器以及电源管理模块,最小系统外部元器件少于 10 个
专为移动设备、可穿戴电子产品和物联网(IoT)应用而设计。超低功耗,内部具有精细分辨时钟门控、省电模式和动态电压调整等特性
主要特性:
- Xtensa 32-bit LX6 双核处理器,运算能力 600 DMIPS,主频 240MHz
- 448 KB ROM (用于程序启动和内核功能调用)
- 520 KB SRAM (用于数据和指令存储)
- RTC 中 16 KB SRAM
- QSPI 最多可连接 4 个 Flash / SRAM,每个 Flash 最大为 16 MB
- 供电电压:2.2V 到 3.6V
- QFN48,5mm x 5mm 或者 6mm x 6mm
- RTC 中 8 KB 的 SRAM,即 RTC 慢速存储器,可以在 Deep-sleep 模式下被协处理器访问
- RTC 中 8 KB 的 SRAM,即 RTC 快速存储器,可以在 Deep-sleep 模式下 RTC 启动时用于数据存储以 及被主 CPU 访问
- 1 kbit 的 EFUSE,其中 256 bits 为系统专用(MAC 地址和芯片设置);其余 768 bits 保留给用户应用,这 些应用包括 Flash 加密和芯片 ID
[编辑] 1.1 支持的蓝牙特性
- 蓝牙 v4.2 完整标准,包含传统蓝牙(BR/EDR)和低功耗蓝牙(BLE)
- 支持标准 Class-1、Class-2 和 Class-3,且无需外部功率放大器
- 增强的精准功率控制
- 输出功率高达 +10 dBm
- NZIF 接收器具有 -98 dBm 的 BLE 接收灵敏度
- 自适应跳频(AFH)
- 基于 SDIO / SPI / UART 接口的标准 HCI
- 速度高达 4 Mbps 的高速 UART HCI
- 服务发现协议(SDP),通用访问应用(GAP),安全管理协议(SMP)
- HID
- 可支持所有基于 GATT 的低功耗蓝牙应用
- BLE Beacon
- CVSD 和 SBC 音频编解码算法
- 蓝牙微微网(Piconet)和散射网(Scatternet)
[编辑] 1.2 支持的 WiFi 特性
- 802.11 b/g/n/e/i
- 802.11 n(2.4 GHz),速度高达 150 Mbps
- 802.11 e:QoS 机制实现无线多媒体技术
- 支持 WPA / WPA2 / WPA2-Enterprise / WPS 加密
- 基础结构型网络(Infrastructure BSS)Station 模式/ SoftAP 模式
- 802.11 i 安全特性:预认证和 TSN
- Beacon 自动监测/扫描
- Wi-Fi Direct(P2P)、P2P 发现、P2P GO 模式和 P2P 电源管理
- WMM-PS, UAPSD
- A-MPDU 和 A-MSDU 帧聚合技术
- UMA 兼容和认证
- 天线分集与选择
[编辑] 2 版本
Identifier | Processor cores | Internal Flash memory (MB) | Package size | Description |
---|---|---|---|---|
ESP31B | 2 | 0 | 6×6 mm2 | Pre-release SoC used for beta testing; no longer available. |
ESP32-D0WDQ6 | 2 | 0 | 6×6 mm2 | Initial production release chip of the ESP32 series. |
ESP32‑D0WD | 2 | 0 | 5×5 mm2 | Smaller physical package variation similar to ESP32-D0WDQ6. |
ESP32‑D2WD | 2 | 2 | 5×5 mm2 | 2 MiB (16 Mibit) embedded flash memory variation. |
ESP32‑S0WD | 1 | 0 | 5×5 mm2 | Single-core processor variation. |
[编辑] 3 Pin Map
[编辑] 4 体系结构
ESP32 内部框图:
- Xtensa Instruction Set Architecture: http://0x04.net/~mwk/doc/xtensa.pdf
- http://ip.cadence.com/uploads/533/Cadence_Tensillica_Xtensa_LX6_ds-pdf
[编辑] 5 Xtensa ISA
The Xtensa instruction set is designed to meet the diverse requirements of dataplane processing.
This 32-bit architecture features a compact 16- and 24-bit instruction set with modeless switching for maximum power efficiency and performance.
The base instruction set has 80 RISC instructions and includes a 32-bit ALU, up to 64 general-purpose 32-bit registers, and six special-purpose registers.
Using this instruction set, you can expect significant code size reductions that result in higher code density and better power dissipation.
[编辑] 6 片内外设
- 12-bit SAR ADC,18 个通道
- 2 个 8-bit D/A 转换器
- 超低功耗前置模拟放大器
- 1 个 Host SD / eMMC / SDIO
- 1 个 Slave SDIO / SPI
- 带有专用 DMA 的以太网 MAC 接口,支持 IEEE 1588
- CAN 2.0
- 2 个 I2C
- 4 个 SPI
- 3 个 UART
- IR(TX / RX)
- 2 个 I2S
- 电机 PWM (3 路 16-bit 定时器产生 PWM 波形,每路 包含一对输出信号。3 个故障检测信号。3 个 even capture 信号。3 个同步信号)
- LED PWM,16 个通道(16 个独立的通道运行在 80MHz 的时钟或 RTC 时钟上。占空比精确度:16-bit)
- 10 个电容式触摸传感器
- 温度传感器
- 霍尔传感器
- ESP32 RTC ULP Co-processor
[编辑] 7 First Glance
ets Jun 8 2016 00:22:57 rst:0x10 (RTCWDT_RTC_RESET),boot:0x33 (SPI_FAST_FLASH_BOOT) flash read err, 1000 Falling back to built-in command interpreter. OK >ets Jun 8 2016 00:22:57 rst:0x10 (RTCWDT_RTC_RESET),boot:0x33 (SPI_FAST_FLASH_BOOT) flash read err, 1000 Falling back to built-in command interpreter. OK >stop OK >about ESP32 ROM Basic (c) 2016 Espressif Shanghai Derived from TinyBasic Plus by Mike Field and Scott Lawrence >help A very Basic ROM console. Available commands/functions: LIST NEW RUN NEXT LET IF GOTO ...... ...... >
IO12(MTDI) Pull-up:
ets Jun 8 2016 00:22:57 rst:0x10 (RTCWDT_RTC_RESET),boot:0x33 (SPI_FAST_FLASH_BOOT) flash read err, 1000 Falling back to built-in command interpreter.
IO2 Pull-up:
ets Jun 8 2016 00:22:57 rst:0x10 (RTCWDT_RTC_RESET),boot:0x3b (SPI_FAST_FLASH_BOOT) flash read err, 1000 Falling back to built-in command interpreter.
IO12(MTDI) Pull-down:
ets Jun 8 2016 00:22:57 rst:0x10 (RTCWDT_RTC_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) flash read err, 1000 Falling back to built-in command interpreter.
IO2 Pull-up, IO0 Pull-down:
ets Jun 8 2016 00:22:57 rst:0x10 (RTCWDT_RTC_RESET),boot:0x2b (HSPI_FLASH_BOOT) flash read err, 1000 Falling back to built-in command interpreter.
IO0 Pull-down:
>ets Jun 8 2016 00:22:57 rst:0x10 (RTCWDT_RTC_RESET),boot:0x23 (DOWNLOAD_BOOT(UART0/UART1/SDIO_REI_REO_V2)) waiting for download
IO0 and IO12(MTDI) Pull-down:
ets Jun 8 2016 00:22:57 rst:0x1 (POWERON_RESET),boot:0x3 (DOWNLOAD_BOOT(UART0/UART1/SDIO_REI_REO_V2)) waiting for download
[编辑] 8 开发板
- CP2102 USB to UART Chip
- ESP32 Bluetooth and WiFi SoC
- 40MHz Crystal (±10ppm, ±10ppm)
- 16MB SPI Flash
- 5V - 12V Power Supply
- FreeRTOS
更多详细信息,移步: Noduino Quantum