User's Manual

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