Spec Sheet

ZY8266-12 Spec V1.0
Copyright © 2021 Shenzhen Zhouyuan Technology Co.,
LTD All Rights Reserved
Page 8 of 18
ZY8266-12 Pin diagram
Table 1 Pin Function Definition
PIN No.
Name
Function Description
1
RST
reset
2
ADC
A/D conversion result. The input voltage ranges from 0 to 1V. The value
ranges from 0 to 1024
3
EN
Enable end of chip, active high level
4
IO16
GPIO16/ deep sleep awakening when connected to RST pin
5
IO14
GPIO14/HSPI_CLK
6
IO12
GPIO12/HSPI_MISO
7
IO13
GPIO13/HSPI_MOSI/UART0_CTS
8
VCC
3.3V power supply (VDD);The recommended output current of the external
power supply is more than 500mA
9
GND
grounding
10
IO15
GPIO15/MTDO/HSPICS/UART0_RTS
11
IO2
GPIO2/UART1_TXD
12
IO0
GPIO0; Download mode: external pull down, Run mode: suspended or
external pull up
13
IO4
GPIO4
14
IO5
GPIO5/IR_R
15
RXD
UART0_RXD/GPIO3
16
TXD
UART0_TXD/GPIO1
Table 2 Description of module startup modes
model
CH_PD(EN)
RST
GPIO15
GPIO0
GPIO2
TXD0
Download
mode
high
high
low
low
high
high