Ai-Thinker Technology ESP-12F, User Manual

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ESP-12F User Manual
Shenzhen Ai-Thinker Technology Co., Ltd
http://www.ai-thinker.com 6
9 CS0 SPI CS0;GPIO11
10 MISO SPI MISO;GPIO7
11 GPIO9 SPI HD;GPIO9
12 GPIO10 SPI WP;GPIO10
13 MOSI SPI MOSI;GPIO8
14 CLK SPI CLK;GPIO6
15 GND GND
16 GPIO15 GPIO15; MTDO; HSPICS; UART0_RTS
17 GPIO2 GPIO2; UART1_TXD
18 GPIO0 GPIO0
19 GPIO4 GPIO4
20 GPIO5 GPIO5
21 RXD0 UART0_RXD; GPIO3
22 TXD0 UART0_TXD; GPIO1
2.1.
Interfaces
Table 3 Descriptions of Interfaces
Interface Pin Name
Description
HSPI
IO12(MISO),
IO13(MOSI)
IO14(CLK),
IO15(CS)
SPI Flash , display screen, and MCU can be connected using HSPI
interface
PWM
IO12(R),
IO15(G),
Currently the PWM interface has four channels, but users can extend
the channels according to their own needs. PWM interface can be