Data Sheet

Wireless-Tag Technology Co., Ltd. V1.0.0
Copyright ©2020 Wireless-Tag Technology Co., Ltd. All Rights Reserved. http://www.wireless-tag.com
4
3 Pin Definitions
3.1 Pin Layout
Figure 2 Pin Layout
3.2
Pin description
Table 1 Pin Definitions and Descriptions
Pin
Name
Description
1
GND
Ground
2
IO07
RTC_GPIO7, GPIO7, TOUCH7, ADC1_CH6
3
IO42
MTMS, GPIO42
4
IO45
GPIO45
5
IO46
GPIO46
6
GND
Ground
7
IO33
SPIIO4, GPIO33, FSPIHD
8
TXD
U0TXD, GPIO43, CLK_OUT1
9
RXD
U0RXD, GPIO44, CLK_OUT2
10
IO34
SPIIO5, GPIO34, FSPICS0
11
IO41
MTDI, GPIO41, CLK_OUT1
12
IO40
MTDO, GPIO40, CLK_OUT2
13
IO39
MTCK, GPIO39, CLK_OUT3
14
IO38
GPIO38, FSPIWP
15
IO37
SPIDQS, GPIO37, FSPIQ
16
VCC
Power supply
17
IO36
SPIIO7, GPIO36, FSPICLK
18
IO35
SPIIO6, GPIO35, FSPID