Texas Instruments SimpleLink CC3200MOD Manuale utente

EVM User’s Guide

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CC3200MOD Launchpad (Evaluation board) User

Guide

ECS Applications

Table 1. Document Change Log

Date (Version)

Author

Approved by

Description

Initial Release

Contents

1 Getting Started.......................................................................................................................3

1.1 Introduction 3

1.2 Key Features 3

2Hardware............................................................................................................................4

2.1 Block Diagram 5

2.2 Hardware features of the CC3200MOD Launchpad (Evaluation board) 5

2.2.1Power connections 6

2.2.22x20 pin connector assignment 6

2.3 Power 7

2.4 PCB Layout information 8

2.5 Schematics 10

2.6 Bill of materials 14

2.7 Antenna information 16

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Getting Started

1.1 Introduction

The CC3200MOD LaunchPad is an easy-to-use evaluation module for the CC3200 WIFI

microcontroller Module. It contains everything needed to start developing on a low-power

Arm Cortex M4F MCU, including onboard emulation for programming and debugging as

well as onboard buttons and LEDs for quick integration of a simple user interface.

The CC3200 supports growing applications with increased CPU speed, memory, and 32-

bit performance.

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

BoosterPack plug-in modules that enable technologies such as , graphical displays,

Audio codec, Antenna diversity, environmental sensing, and much more.

1.2 Key Features

•Low-Power ARM Cortex M4F CC3200MOD module with 802.11 bgn WIFI

•40-pin LaunchPad standard that leverages the BoosterPack ecosystem

•FTDI based JTAG emulation with Serial port for flash programming.

•Two buttons and three LEDs for user interaction

•Backchannel UART through USB to PC.

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

•On-board Accelerometer and Temperature sensor for Out of Box demo.

•Micro USB connector for power and debug connections.

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2 Hardware

U.FL

CC3200

Chip Antenna

User LEDs

Push Button Push Button

Reset

JTAG

Headers

UART

Signals

20 pin

J1, J3

20 pin

J2, J4

Sensor

Area

FTDI

JTAG Emu

Murata

Conn

EVM Overview

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2.1 Block Diagram

FTDI

FT2232D

SWD circuit

CC3200MOD

USB

Conn

LDO

3.3V

2xAA

Batt Conn

Acc

BMA222

Temp

Sensor

TMP006

Chip

ant

LEDs

GPIO9,10,11

Push buttons

GPIO13, 22

2x20 Launchpad headers

(Compatible with TI MCU Std*)

M25PX80-VMN6TP

W25Q80BLUXIG

VCC

JTAG/SWD

UART (Flashing)

U.FL

Filter

Reverse

Protection

INT(GPIO13)

DC/DC

3.3V

VDD_FLASH

Block Diagram

2.2 Hardware features of the CC3200MOD Launchpad (Evaluation board)

•CC3200MOD Module with CC3200 device with RF filter, serial flash and crystal.

•Low-Power ARM Cortex M4 with 802.11 bgn WIFI

•40-pin LaunchPad standard that leverages the BoosterPack ecosystem

•FTDI based JTAG emulation with Serial port for flash programming.

•Supports both 4 wire JTAG and 2 wire SWD

•Two buttons and three LEDs for user interaction

•Virtual COM port UART through USB on PC

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

•On-board Accelerometer and Temperature sensor for Out of Box demo with option to

isolate them from the I2C bus.

•Micro USB connector for power and debug connections.

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•Headers for current measurement and external JTAG connection.

•Bus powered device with no external power required for WIFI.

•Long range transmission with highly optimized antenna (200m Typical in open air with a

6dBi antenna AP)

•Can be powered with external 2xAA or 2xAAA alkaline batteries working down to 2.3V typ.

2.2.1 Power connections

The board can be powered by using the on-board micro USB connector. An on-board

LDO provides 3.3V for the CC3200 and the rest of the board to operate. This supply can

be isolated from the LDO using the jumpers on the board.

J12 Current

measurement

Measure the current flowing into the CC3200

device.

J13 Board power Short: Supply the board power from the on-board

LDO.

Open : Supply the board power from the J20

(battery connector)

J19 5V power 5V output from the USB VBUS (has a diode drop of

up to 0.4V)

J20 3.3V power

input Can be used to power the board from an external

2XAA battery pack. It has in-built reverse voltage

protection to prevent the battery from being plugged

in the reverse manner.

Various powering options are discussed in subsequent sections.

2.2.2 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.

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CC3200

P1 P3

Ref

Signal

Dev

Pin#

Dev

Pin#

Signal

3.3V

ADC_CH1

GND

UART0_RX

457

ADC_CH0

UART0_TX

360

ADC_CH3

GPIO

58*

ADC_CH1

ADC_CH2

59*

ADC_CH2

SPI_CLK

563

AUD_SYNC

GPIO

62 53

AUD_CLK

I2C_SCL

164

AUD_DOUT

I2C_SDA

250

AUD_DIN

P4 P2

Signal

Dev

Pin#

Dev

Pin#

Signal

Ref

PWM

GND

PWM

GPIO

PWM

17*

SPI_CS

PWM

64*

GPIO

CCAP/GPIO

21*

RESET_OUT

CCAP/GPIO

18*

SPI_DOUT

GPIO

62*

SPI_DIN

GPIO

60*

GPIO

The signal mappings are as per the table above. All the signals are referred by the pin-no in the

SDK and the table above shows the default mappings. Note that some of the pins are repeated

across the connector. For e.g. pin 62 is available on P1 and P4, but only P1 is connected by

default. The signal on P4 is marked with a *(star) to signify that is not connected by default. It

can be routed to the pin by using a 0 Ohm resistor in the path. Please refer to the schematics

and placement diagram for the exact resistor placement.

2.3 Power

The Launchpad is designed to work from the USB provided power supply as it

enumerates as a bus-powered device. Care has been taken in the design to ensure that

the board does not violate the in-rush limits of the USB bus. The board can also be

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2.4 PCB Layout information

Figure 1 : TOP Layer

Figure 2 : Layer-2

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Figure 3 : Layer-3

Figure 4 : Bottom Layer

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2.5 Schematics

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