Texas Instruments CC3100MOD Boosterpack Manuale utente

EVM User’s Guide

TI Confidential – Strictly Private 2

CC3100MOD Boosterpack™ (Evaluation board) User

Guide

ECS Applications

Table 1. Document Change Log

Date (Version)

Author

Approved by

Description

Initial Release

EVM User’s Guide

TI Confidential – Strictly Private 3

Contents

Getting Started..........................................................................................................................4

1Introduction.......................................................................................................................4

1.1 CC3100MOD BOOST 4

1.2 CC3100MOD Module 4

2Hardware description........................................................................................................5

2.1 Block Diagram 6

2.2 Hardware Features of the evaluation board 6

2.3 Connector and jumper descriptions 7

2.3.1Push buttons and LEDs 7

2.3.2Jumper settings 7

2.3.32x20 pin connector assignment 9

2.4 Power 10

3Connecting to the PC using EMUBOOST......................................................................11

3.1 CC31XXEMUBOOST 11

3.2 Mating the boards 12

3.3 Jumper settings on the EMUBOOST 12

4Connecting to a Launchpad..........................................................................................14

4.1 Launchpad current limitation 14

5PCB information..............................................................................................................15

5.1 Layout information 15

5.2 Antenna pattern 17

5.3 Schematics 18

5.4 Bill of materials 20

EVM User’s Guide

TI Confidential – Strictly Private 4

Getting Started

1 Introduction

1.1 CC3100MOD BOOST

Introducing the CC3100MOD Booster pack compatible with all TI Launchpads for adding

WIFI capability to embedded systems.

The CC3100MODBOOST Booster Pack is an easy-to-use evaluation module for the

CC3100 WIFI device. It contains everything needed to start developing a WIFI solution on

TI Launchpad. This board is also designed to interface with another board named

CC3100EMUBOOST (FTDI based Emulation and debug board) to provide an interface to

the PC for development using SimpleLink™ Studio (TI provided application and source

code to develop WIFI based software on a PC)

The CC3100MOD module integrates the complete RF, digital baseband, and power

management needed to provide WIFI access to any embedded system using a 8,16 ot 32

bit Microcontrollers.

Rapid prototyping is a snap thanks to the 40-pin headers and a wide variety of

Launchpads available. These connectors provide stackability to ensure that other

booster-packs like Audio, LCD, sensors etc. can be mounted on top or bottom of this

booster-pack.

1.2 CC3100MOD Module

The CC3100MOD module is a second-generation SimpleLink™ Wi-Fi self-contained

network processor module that dramatically simplifies the implementation of Internet

connectivity. The CC3100MOD module is an ideal solution for embedded applications

using low-cost and low-power microcontrollers with reduced board space and faster

development times.

Fully integrated module with serial flash, Crystal and RF filter. Only needs power

supply and a serial interface to operate.

802.11 b/g/n Station With Fully Integrated Radio, Baseband, and MAC

802.11 Transceiver Mode

IPv4 TCP/IP Stack

8 Simultaneous TCP, UDP, or RAW Sockets

ARP, ICMP, DHCP, DNS, mDNS

TLS 1.2/SSL 3.0 With On-Chip Accelerators

Throughput UDP: 16 Mbps, TCP: 12 Mbps

Interfaces With 8-, 16-, and 32-bit MCU over an SPI Interface with up to 24-MHz

Clock

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2 Hardware description

nHIB

nRESET

(Optional)

Micro USB Conn

(Power only)

3.3V Dc/Dc

CC3100

Chip

Antenna

OOB

U.FL

Conn

PWR

SEL

20 pin LP

Connector 20 pin LP

Connector

CC3100MOD

Figure 1 : CC3100MODBOOST evaluation board with the CC3100MOD Module

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2.1 Block Diagram

CC3100MOD

2x20 headers

Micro

USB

3.3V

LDO

Chip

Antenna

Jumper

Murata

Conn

Diode

Mux

3.3V

Current

Meas

U.FL

Conn

Vcc

LED

Indicators

SPI/UART/GPIO

Push

Buttons

Figure 2 : CC3100MODBOOST Block diagram

2.2 Hardware Features of the evaluation board

•CC3100MOD module with fully integrated solution.

2x20 pin stackable connectors

•On-board chip antenna with option for U.FL based conducted testing.

•Power from on-board LDO using USB OR 3.3V from MCU Launchpad

•Push buttons (3x), LEDs (2x)

•Jumper for current measurement with provision to mount 0.1R resistor for measurement

with voltmeter

•2 Layer PCB with 6mil spacing and track width.

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2.3 Connector and jumper descriptions

2.3.1 Push buttons and LEDs

Push buttons

Reference

Usage

Comments

SW1 OOB Demo This is used as an input for the OOB

demo.

SW2 RESET The use of this pin is optional. This is

used to reset the CC3100 device which

can also be accomplished using the

nHIB button. The RESET completely

erases the CC3100 RAM including the

time.

LEDs

Reference

Colour

Usage

Comments

D5 RED PWR Indication Glows when the 3.3V power is

provided to the board

D1 Yellow nRESET This LED is used to indicate the

stated of nRESET pin. If this LED

is glowing, the device is

functional.

D6 Green nHIB This LED indicates the stated of

nHIB pin. When the LED is OFF,

the device is in hibernate state.

2.3.2 Jumper settings

Reference

Usage

Comments

J21 USB connector For powering the booster pack when

mated with a Launchpad. This is

mandatory to use when using “Z”

devices. For e.g. CC3100HZ

Power selection

Choose the power supply from the

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TI Confidential – Strictly Private 8

Lauchpad or the on-board USB.

J8 (1-2) power from MCU Launchpad

J8 (2-3) power from on-board USB using

3.3V LDO

J6 Current

measurement For Hibernate and LPDS currents

connect a ammeter across J26 : Range

(< 500uA)

For Active current, mount a 0.1 Ohm

resistor on R42 and measure the voltage

across the 0.1 Ohm resistor using a

voltmeter. Range (< 50mV peak-peak)

J5 OOB Demo Closed : GPIO_12 is hard pulled to Vcc

Open : GPIO_12 is pulled to GND using

33K resistor.

J10, J9 Booster pack header 2x10 pins each connected to the

Launchpad.

J3 RF Test Murata connector (MM8030-2610) for

production line tests.

J2 RF Test U.FL connector for conducted testing in

the lab.

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2.3.3 2x20 pin connector assignment

The signal assignment on the 2x20 pin connector is shown below. The convention of J1..J4

is replaced with P1…P4 to avoid confusion with the actual board reference.

VCC(3.3V)

+5V

-USED

GND

UART1_TX

UART1_RX

nHIB

UNUSED

SPI_CLK

-USED

GND

IRQ

SPI_CS

UART1_CTS

UART1_RTS

nRESET

SPI_MOSI

NWP_LOG_TX

SPI_MISO

WLAN_LOG_TX

P4 P2P1 P3

Outer row connectors

Pin No

Signal Name

Direction

Pin No

Signal Name

Direction

P1.1

VCC(3.3V)

P2.1

GND

P1.2

UN-USED

P2.2

IRQ

OUT

P1.3

UART1_TX

OUT

P2.3

SPI_CS

P1.4

UART1_RX

P2.4

UN-USED

P1.5

nHIB

P2.5

nRESET

P1.6

UNUSED

P2.6

SPI_MOSI

P1.7

SPI_CLK

P2.7

SPI_MISO

OUT

P1.8

UN-USED

P2.8

UN-USED

P1.9

UN-USED

P2.9

UN-USED

P1.10

UN-USED

P2.10

UN-USED

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Inner row connectors

Pin No

Signal Name

Direction

Pin No

Signal Name

Direction

P3.1

+5V

P4.1

UN-USED

OUT

P3.2

GND

P4.2

UN-USED

OUT

P3.3

UN-USED

P4.3

UN-USED

P3.4

UN-USED

P4.4

UART1_CTS

P3.5

UN-USED

P4.5

UART1_RTS

OUT

P3.6

UN-USED

P4.6

UN-USED

P3.7

UN-USED

P4.7

NWP_LOG_TX

OUT

P3.8

UN-USED

P4.8

WLAN_LOG_TX

OUT

P3.9

UN-USED

P4.9

UN-USED

P3.10

UN-USED

P4.10

UN-USED

OUT

Note :

All signals are 3.3V COMS logic levels and is referred w.r.t. CC3100MOD. For e.g.

UART1_TX is an output from the CC3100MOD.

For the SPI lines, the CC3100MOD always acts like a slave.

2.4 Power

The board is designed to accept power from a mated Launchpad or from the

CC3100EMUBOOST board. Some of the launchpads are not capable of sourcing the

peak current requirements of the WIFI. In such a case the USB connector on the

CC3100MODBOOST can be used to aid the peak current. The use of schottky diodes

ensure that the load sharing happens between the USB connectors on the Launchpad

and the Boosterpack without any board modifications.

Also the 3.3V power can be sourced from the Launchpad or from the 3.3V LDO on the

board. This is done by using the jumper J8. In the case where the Launchpad is not able

to source the 3.3V upto 350mA, then the J8 needs to be configured to work from the on-

board LDO

2.4.1 Power from the Launchpad or CC3100EMUBOOST

The most common scenario will be to power the CC3100MODBOOST from the mated

Launchpad. In this case the Launchpad provides 3.3V to the Booster-pack for its

operation. In addition to the 3.3V the Launchpad provides a 5V from the USB which is

used to drive a 3.3V LDO on the Booster-pack. This LDO sources the 3.3V used for the

top die flash used on development models.

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TI Confidential – Strictly Private 11

3 Connecting to the PC using EMUBOOST

3.1 CC31XXEMUBOOST

3.1.1 Overview

The CC31XXEMUBOOST is designed to connect the CC3100MODBOOST pack to a PC

using USB connection. This is used to update the firmware on the BP using the

“SL_Prog” utility and also in software development using “SL_Studio”.

3.1.2 Hardware details

The board has two FTDI ICs to enumerate multiple COM and D2XX ports. The details of

the ports are given below

Ports available on J6

Port No

Port Type

Usage

Comments

D2XX

SPI port for SL Studio

2 D2XX GPIO for SL Studio Control the nRESET, nHIB,

IRQ

3 VCP COM port for flash

programming

VCP

NWP

Network processor logger

Indice

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