ESP8266EX Распиновка (pinouts) чипа

ESP8266EX Распиновка pinouts

ESP8266EX Распиновка (pinouts)

Кроме распиновки самого чипа ESP8266EX вы также можете посмотреть распиновку модулей ESP8266 от ESP-01 ESP-02 и всех остальных.

ESP8266EX pin definition

Pin Name Type Function
1 VDDA P Analog Power 3.0 ~3.6V
2 LNA I/O RF Antenna Interface,Chip Output Impedance=50 Ω No matching required but we recommend that the π- type matching network is retained.
3 VDD3P3 P Amplifier Power 3.0~3.6V
4 VDD3P3 P Amplifier Power 3.0~3.6V
5 VDD_RTC P NC(1.1V)
6 TOUT I ADC Pin
7 CHIP_EN I Chip Enable. High: On, chip works properly; Low: Off, small current
8 XPD_DCDC I/O Deep-Sleep Wakeup;GPIO16
9 MTMS I/O GPIO14; HSPICLK
10 MTDI I/O GPIO12;HSPIQ
11 VDDPST P Digital/IO Power Supply (1.8V~3.3V)
12 MTCK I/O GPIO13;HSPID
13 MTDO I/O GPIO15;HSPICS
14 GPIO2 I/O UART Tx during flash progamming; GPIO2
15 GPIO0 I/O GPIO0;SPICS2
16 GPIO4 I/O GPIO4
17 VDDPST P Digital/IO Power Supply (1.8V~3.3V)
18 SDIO_DATA_2 I/O Connect to SD_D2 (Series R 200Ω);SPIHD; HSPIHD
19 SDIO_DATA_3 I/O Connect to SD_D3 (Series R 200Ω); SPIWP; HSPIWP
20 SDIO_CMD I/O Connect to SD_CMD(Series R 200Ω); SPICS0
21 SDIO_CLK I/O Connect to SD_CLK (Series R 200Ω); SPICLK
22 SDIO_DATA_0 I/O Connect to SD_D0 (Series R 200Ω); SPIQ
23 SDIO_DATA_1 I/O Connect to SD_D1 (Series R 200Ω); SPID
24 GPIO5 I/O GPIO5
25 U0RXD I/O UART Rx during flash progamming; GPIO3
26 U0TXD I/O UART Tx during flash progamming; GPIO1; SPICS1
27 XTAL_OUT I/O Connect to crystal output, can be used to provide BT clock input
28 XTAL_IN I/O Connect to crystal input
29 VDDD P Analog Power 3.0~3.6V
30 VDDA P Analog Power 3.0~3.6V
31 RES12K I Connect to series R 12kΩ to ground
32 EXT_RSTB I External reset signal (Low: Active)

Note: GPIO2, GPIO0, MTDO can be configurable as 3-bit SDIO mod

ESP8266 Описание GPIO регистров — онлайн
ESP8266 Описание пинов и их функций, регистры — онлайн

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