-

1.2 Pin description

Pin No

1

Name

GND

Table 2. WizFi310 Pin Description

Type

Description

-

Ground

2

RF_OUT

-

2.4GHz RF output

3

GND

-

Ground

4

VDDIO

-

3.3V for Digital IO or Digital blocksd

5

JTAG_CLK

-

For normal operation, if JTAG is not used, this pin can

be lenft unconneced (NC)

6

JTAG_TMS

-

For normal operation, if JTAG is not used, this pin can

be left unconnected (NC)

7

8

9

JTAG_TDO

JTAG_TDI

JTAG_TRST

-

-

-

For normal operation, if JTAG is not used, this pin can

be left unconnected (NC)

For normal operation, if JTAG is not used, this pin can

be left unconnected (NC)

For normal operation, if JTAG is not used, this pin can

be left unconnected (NC)

10

11

12

NC(ADC)

Reset

NC(GPIOA0)

-

-

-

Module reset pin(Active low)

-

Ground

13

NC(GPIOA1)

-

-

14

NC(GPIOA2)

-

15

Mode LED

-

-

16

NC(GPIOA4)

-

-

17

WIFI LED

-

-

18

NC(GPIOA7)

-

-

19

NC(GPIOA6)

-

-

20

21

GND

GND

-

Ground

-

Ground

22

VCC 3.3V

-

3.3V power supply

23

TXD

-

Serial data communication interface send

24

RTS

-

Serial flow control pin, ready to receive data /

request the other party to send data (Active low)

Serial flow control pin , ready to receive data /

25

8 / 16

CTS

-

request each other to send data (Active low, High

level cannot send / Low level can send data)

WizFi310 Datasheet Version1.0.0 (OCT 2016)