Specifications

ManualsBrandsBeijing Winner Microelectronics ManualsElectronicsWifi Module

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Beijing Winner Microelectronics Co., Ltd.

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Table 4-1 PIN Description

No.

Name

Type

Default Function

Reuse Function

1

RESET

I

RESET with low level

2

NC

3

NC

4

PB_13

I/O

PWM_2

I²C_SCL, GPIOPB_13

5

PB_14

I/O

H_SPI_INT

I²C_DAT, GPIOPB_14

6

PB_15

I/O

H_SPI_CS

PWM_4, GPIOPB_15

7

PB_16

I/O

H_SPI_CK

PWM_3, GPIOPB_16

8

VDD

P

Power supply with 3.3V

9

GND

P

GND

10

PB_8

I/O

PWM_5

GPIOPB_8

411

PA_4

I/O

UART0_TX

12

PA_5

I/O

UART0_RX

13

PB_17

I/O

H_SPI_DI

PWM_2, GPIOPB_17

14

PB_18

I/O

H_SPI_DO

PWM_1, GPIOPB_18

15

PB_11

I/O

UART1_RX

I²C_SCL, GPIOPB_11

16

PB_12

I/O

UART1_TX

I²C_DAT, GPIOPB_12

5 Reference Circuit Design

Figute 6-1 IOT3S Reference Design