Texas Instruments CC3100BOOST Manuale utente

User Guide

2014

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CC3100BOOST (CC3100 Booster Pack) User Guide, Ver 1.1

ECS Applications

ABSTRACT

This document describes the CC3100BOOST (CC3100 Booster Pack). It details the features of

the hardware and also explains the correct usage of the board.

ABSTRACT

This document describes the CC3100BOOST (CC3100 Booster Pack). It details the features

of the hardware and also explains the correct usage of the board.

CC3100BOOST User Guide

TI Proprietary Information - Strictly Private

TABLE OF CONTENTS

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

2Overview...................................................................................................................................... 4

3Hardware description ................................................................................................................ 4

3.1 Board overview....................................................................................................................... 4

3.2 Board features ........................................................................................................................ 5

3.3 Jumper and connector information ......................................................................................... 6

3.3.1 2x20 pin connector...................................................................................................... 6

3.4 Jumper details ........................................................................................................................ 7

3.5 LED and switches.................................................................................................................... 8

3.6 Conducted testing................................................................................................................... 9

3.7 Current measurement ........................................................................................................... 10

4Connecting to a PC using FTDI Board ................................................................................... 11

4.1 Jumper settings on the BP Board.......................................................................................... 11

4.2 Jumper settings on the FTDI Board ...................................................................................... 12

4.3 FTDI Board details ................................................................................................................ 13

4.3.1 Overview................................................................................................................... 13

4.3.2 Hardware details....................................................................................................... 14

4.3.3 Driver requirements .................................................................................................. 15

5Connecting to a Launchpad .................................................................................................... 16

5.1 Launchpad current limitation ................................................................................................ 16

5.2 Connecting to an experimenter’s board. ............................................................................... 18

CC3100BOOST User Guide

TI Proprietary Information - Strictly Private

CC3100BOOST User Guide

TI Proprietary Information - Strictly Private

1Introduction

This document provides a quick start guide on using the CC3100 Booster Pack Rev 2.0B .

This is not applicable to other revisions of the board.

2Overview

The CC3100 Booster Pack is a board designed to interface with the TI standard Launchpad

including the Tiva-C series and the MSP430 value line launchpads. In addition to the

launchpads, there is support available to mate the board with a FTDI Debug board to

interface directly to a PC host using USB cable. A picture of the board is presented below

with the main components marked.

3Hardware description

3.1 Board overview

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FIGURE 1 : HARDWARE DETAILS

3.2 Board features

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 (2x)

LEDs (4x)

Jumper with 0.1 Ohm resistor for current measurement.

.8 Mbit serial flash

40 MHz crystal , 32KHz crystal and oscillator.

CC3100

RESET

Current

Measurement

RESET

BUTTON

Sense on

Power

GPIO13

U.FL

Antenna

RF SIGNAL

SELECT

TOP DIE

FLASH Vcc

CC3100 Vcc

GPIO12

USB CONN

SERIAL

FLASH

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4 Layer PCB with 6mil spacing and track width.



3.3 Jumper and connector information

3.3.1

2x20 pin connector

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.

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

Inner row connectors

Pin No

Signal Name

Direction

Pin No

Signal Name

Direction

P3.1

+5V

P4.1

ANT_SEL_1

OUT

P3.2

GND

P4.2

ANT_SEL_2

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

WL_RS232_RX

P3.10

UN-USED

P4.10

WL_RS232_TX

OUT

Note : All signals are 3.3V COMS logic levels and is referred w.r.t. CC3100 IC. For e.g.

UART1_TX is an output from the CC3100.

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For the SPI lines, the CC3100 always acts like a slave.

3.4 Jumper details

Reference

Usage

Comments

USB connector

For powering the booster pack when

mated with a Launchpad

Power selection

Choose the power supply from the

Lauchpad or the on-board USB.

J6 (1-2) power from MCU Launchpad

J6 (2-3) power from on-board USB using

3.3V LDO

J24

Current

measurement

Voltage is measured across the 0.1 Ohm

resistor using a voltmeter.

Can be used for IDLE and Active

currents.

For Hibernate currents, remove R42 and

connect a ammeter across J24. Range

(< 100uA)

J23

OOB Demo

Closed : GPIO_12 is hard pulled to Vcc

Open : GPIO_12 is pulled to GND using

33K resistor.

J22

RESET

Closed : Routes the RESET signal from

the MCU Launchpad to the CC3100.

Open : The RESET is cut off from the

MCU. (Used with MSP430 boards where

RESET line is muxed with TEST)

J8,J7

Booster pack header

2x10 pins each connected to the

Launchpad.

J25

Flash power

Power the top die flash of the CC3100Z

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part with 3.3V LDO.

Install this for all boards with the

CC3100Z parts.

Sense on power

Sense on power used for internal debug.

SOP[2:0] = 000 [Functional 4W]

SOP[2:0] = 001 [Functional 2W]

SOP[2:0] = 010 [Load from EEPROM]

SOP[2:0] = 011 [Boot Debug mode]

SOP[2:0] = 100 [UART LOAD]

SOP[2:0] = 101 [TESTMODE 3]

SOP[2:0] = 110 [TESTMODE 2]

SOP[2:0] = 111 [TESTMODE 1]

RF Test

U.FL connector for conducted testing.

3.5 LED and switches

Reference

Usage

Comments

SW1

RESET

Reset the CC3100 when mated with the

LP or FTDI board. Useful while updating

the flash contents.

SW2

OOB Demo

Pull GPIO_13 to Vcc when pressed.

GPIO_09

Yellow LED to indicate state of GPIO_09.

LED glows when GPIO_09 goes low.

GPIO_08

GREEN LED to indicate state of

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GPIO_08.

LED glows when GPIO_08 goes low.

nHIB

Green LED

Glows when the CC3100 device is

enabled using nHIB.

Power

RED LED to indicate the power line

status.

Note : This LED can glow if the board is

powered from any of the GPIO being

high, and the Vcc is un-connected. This

is not a valid state and should be

avoided.

3.6 Conducted testing

The board is by default configured for radiated measurement using the on-board chip

antenna. For conducted testing in the lab the following changes needs to be done on the

board.

Mode

Change

Image

Conducted test

using U.FL

C4 = 10pF

C2 = DNP

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Radiated test

using antenna

C4 = DNP

C2 = 10pF

Note : The 10pF capacitor used should be of RF grade with high-Q to reduce the overall

loss. Otherwise a 0 Ohm resistor can also be used for this.

3.7 Current measurement

The board provides a jumper connected to a 0.1 Ohm resistor for current measurement. The

measurement is made by using a voltmeter across the jumper and multiplying the value

obtained in mV by 10 to get the current in mA. The current measurement jumper is J24 as

shown in Figure 1.

Note : The measurement may have up to 10% error due to resistor variation and contact

resistance due to reflow soldering.

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