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Pin Number

Function

Description

7

NC

Not connected

8

NC

Not connected

Table 4-6. J206 Stacking Connector

Pin Number

Function

Description

20

UART_RTS

Bluetooth

®

 UART RTS output

21

UART_CTS

Bluetooth

®

 UART CTS input

35

GND

Ground

36

GND

Ground

4.2 

ATWILC3000 Shield Raspberry Pi Stacking Connector

The ATWILC3000 Shield contains a Raspberry Pi compatible 40-pin stacking connector used to connect
the board to a Raspberry Pi base board. This is also used for exposing the unused pins to the user. The
pinout definition for the Raspberry Pi connector is given in the following table.

Table 4-7. J207 Stacking Connector

Pin Number

Function

Description

1

VCC_INT_P3V3

3.3V power supply. Insert jumper cap on J300-1 and
J300-2 to use this power supply.

2

NC

Not connected

3

GPIO2/SUSPEND

GPIO signal

4

NC

Not connected

5

CHIP_EN

ATWILC3000 Chip enable is controlled by the host
MCU

6

GND

Ground

7

IRQN

Host interrupt request output

8

UART_RX

Bluetooth

®

 UART receive

9

GND

Ground

10

UART_TX

Bluetooth

®

 UART transmit

11

CTS

Bluetooth

®

 UART CTS input

12

GEN1/RTC_CLK

By default, this pin is not connected. Mount R315 (0Ω)
to connect.

13

SDDATA3

SDIO Data 3. By default, this pin is not connected.
Mount R227 (0Ω) to connect.

14

GND

Ground

 ATWILC3000

Hardware Specifications

©

 2018 Microchip Technology Inc.

 User Guide

DS50002769A-page 9

Summary of Contents for ATWILC3000 Shield

Page 1: ...ces For Wi Fi either Secure Digital Input Outputs SDIO or Serial Peripheral Interface SPI is used For Bluetooth Universal Asynchronous Receiver Transmitter UART is used Figure 1 ATWILC3000 Shield Boar...

Page 2: ...compatible with Arduino header specification Supports Bluetooth through UART Raspberry Pi Stacking Connector Supports Wi Fi through SDIO or SPI Supports Bluetooth through UART ATWILC3000 2018 Microchi...

Page 3: ...ctor 11 4 4 Current Measurement Header 11 4 5 Debug Connectors 11 5 CE and FCC 13 6 Hardware Revision History and Known Issues 14 6 1 Identifying Product ID and Revision 14 6 2 Revision 14 7 Document...

Page 4: ...n Connector Wi Fi UART Debug I2C Current Measurement Header External Power Supply Arduino Compatible Headers 32 KHz Crystal Oscillator Power Status LED ATWILC3000 MR110CA Module The ATWILC3000 Shield...

Page 5: ...iguration details Table 2 1 ATWILC3000 Shield Resistor Configuration for SDIO SPI Peripheral Interface Required Modification for Resistors SDIO Mounted resistors R311 R218 R219 R220 R221 Not mounted r...

Page 6: ...rollers Data Visualizer is a program used for processing and visualizing data The Data Visualizer can receive data from various sources such as the embedded debugger data gateway interface found on Xp...

Page 7: ...ect By default this pin is not connected Mount R217 0 to connect 4 SPI_MOSI SPI MOSI By default this pin is not connected Mount R216 0 to connect 5 SPI_MISO SPI MISO By default this pin is not connect...

Page 8: ...ion Description 1 RST ATWILC3000 Reset to be controlled by the host MCU 2 IRQN Host interrupt request output 3 RTS Bluetooth UART RTS output By default this pin is not connected Short J208 to connect...

Page 9: ...n in the following table Table 4 7 J207 Stacking Connector Pin Number Function Description 1 VCC_INT_P3V3 3 3V power supply Insert jumper cap on J300 1 and J300 2 to use this power supply 2 NC Not con...

Page 10: ...this pin is not connected Mount R230 0 to connect 23 SPI SCLK SPI Clock By default this pin is not connected Mount R214 0 to connect 24 SPI CS0 SPI Select By default this pin is not connected Mount R...

Page 11: ...ino Shield or Raspberry Pi Place jumper cap between J300 1 and J300 2 and J300 3 must not be not connected To set 3 3V external power supply Remove jumper cap from J300 1 and J300 2 Apply external pow...

Page 12: ...ART Connector Pin on Extension Port Pin on ATWILC3000 Module Function 1 17 UART Receiver 2 16 UART Transmitter 3 1 Ground ATWILC3000 Hardware Specifications 2018 Microchip Technology Inc User Guide DS...

Page 13: ...struction file is located at Microchip Norway Vestre Rosten 79 7075 Tiller Norway Every effort is made to minimize the electromagnetic emissions from the product However under certain conditions the s...

Page 14: ...contains a 10 digit serial number unique to each board The product identifier for the ATWILC3000 Shield is A09 2616 6 2 Revision Revision 4 is the initially released revision and there are no known is...

Page 15: ...e revision details for Revision 5 6 and 7 Updated the document from Atmel to Microchip template Assigned a new Microchip document number Previously Released Atmel Revisions Doc Rev Date Comment 42731B...

Page 16: ...and follow the registration instructions Customer Support Users of Microchip products can receive assistance through several channels Distributor or Representative Local Sales Office Field Application...

Page 17: ...ryptoMemory CryptoRF dsPIC FlashFlex flexPWR Heldo JukeBlox KeeLoq Kleer LANCheck LINK MD maXStylus maXTouch MediaLB megaAVR MOST MOST logo MPLAB OptoLyzer PIC picoPower PICSTART PIC32 logo Prochip De...

Page 18: ...lities in Chandler and Tempe Arizona Gresham Oregon and design centers in California and India The Company s quality system processes and procedures are for its PIC MCUs and dsPIC DSCs KEELOQ code hop...

Page 19: ...2 China Xiamen Tel 86 592 2388138 China Zhuhai Tel 86 756 3210040 India Bangalore Tel 91 80 3090 4444 India New Delhi Tel 91 11 4160 8631 India Pune Tel 91 20 4121 0141 Japan Osaka Tel 81 6 6152 7160...

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