Texas Instruments MSP430FG4618/F2013 Manual de usuario

SLAU213B–March 2007–Revised August 2018

MSP430FG4618/F2013 Experimenter Board (MSP

‑

EXP430FG4618)

User's Guide

SLAU213B–March 2007–Revised August 2018

MSP430FG4618/F2013 Experimenter Board

(MSP

‑‑

EXP430FG4618)

The MSP430FG4618/F2013 Experimenter Board is a comprehensive development target board that can

be used for a number of applications. The MSP-EXP430FG4618 kit comes with one

MSP430FG4618/F2013 experimenter board (see Figure 1) and two AAA 1.5-V batteries.

Figure 1. MSP430FG4618/F2013 Experimenter Board

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Contents

1 Devices Supported .......................................................................................................... 3

2 If You Need Assistance..................................................................................................... 3

3 Required Tools............................................................................................................... 3

4 Functional Overview......................................................................................................... 3

5 Hardware Installation........................................................................................................ 4

6 Hardware Overview.......................................................................................................... 5

6.1 Interfaces ............................................................................................................ 5

6.2 Communication Peripherals....................................................................................... 5

6.3 Analog Signal Chain................................................................................................ 6

6.4 System Clocks ...................................................................................................... 7

6.5 Jumper Configurations............................................................................................. 8

7 Frequently Asked Questions ............................................................................................... 9

8 Schematic ................................................................................................................... 11

9 References.................................................................................................................. 12

List of Figures

1 MSP430FG4618/F2013 Experimenter Board............................................................................ 1

2 MSP-EXP430FG4618 Block Diagram .................................................................................... 3

3 Jumper Settings for Power Selection ..................................................................................... 4

4 Analog Signal Chain of MSP430 MCU ................................................................................... 6

5 Active Analog Filter.......................................................................................................... 7

6 Jumper Locations............................................................................................................ 8

7 MSP-EXP430FG4618 Schematic........................................................................................ 11

List of Tables

1 Jumper Settings and Functionality ........................................................................................ 9

Trademarks

MSP430, E2E, MSP430Ware are trademarks of Texas Instruments.

All other trademarks are the property of their respective owners.

LCD

FG4618

F2013

Wireless

CC1100/

2420/2500

EMK

Interface

JTAG2 JTAG1

Buzzer

Microphone

Analog

Out

Capacitive

Touch

Pad

Buttons

RS-232

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Devices Supported

SLAU213B–March 2007–Revised August 2018

MSP430FG4618/F2013 Experimenter Board (MSP

‑

EXP430FG4618)

1 Devices Supported

The MSP430FG4618/F2013 experimenter board is based on the Texas Instruments ultra-low power

MSP430™ microcontrollers. This board includes the MSP430FG4618 and the MSP430F2013

microcontrollers.

2 If You Need Assistance

If you need additional assistance with this experimenter board, visit the TI E2E™ Community forums.

3 Required Tools

A flash emulation tool for MSP430 MCUs (MSP-FET) is required to download code and debug the

MSP430FG4618 and MSP430F2013. Two separate JTAG headers are available, supporting independent

debug environments. The MSP430FG4618 uses the standard 4-wire JTAG connection while the

MSP430F2013 uses the Spy-Bi-wire (2-wire) JTAG interface allowing all port pins to be used during

debug. For more details on the flash emulation tool, see the MSP Debuggers User's Guide.

4 Functional Overview

The MSP430FG4618/F2013 experimenter board supports various applications through the use of the on-

chip peripherals connecting to a number of onboard components and interfaces (see Figure 2).

Figure 2. MSP-EXP430FG4618 Block Diagram

Wireless communication is possible through the expansion header, which is compatible with all Wireless

Evaluation Modules from Texas Instruments. Interface to a 4-mux LCD, UART connection, microphone,

audio output jack, buzzer, and single touch capacitive touch pad enable the development of a variety of

applications. Communication between the two onboard microcontrollers is also possible. In addition, all

pins of the MSP430FG4618 are made available either through headers or interfaces for easy debugging.

MSP430Ware™ for MSP Microcontrollers includes sample code for this board.

FET_PWR2

LCL_PWR2

FET_PWR1

LCL_PWR1

FET 2

FET 1

Note: USB FET only

2 AAA

Batteries

BATT

VCC_2

VCC_1

PWR2

PWR1

External

Power Supply

External

Power Supply

F2013

FG4618

LCL

FET

Hardware Installation

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5 Hardware Installation

Power may be provided locally from two onboard AAA batteries, externally from a FET, or from an

external supply. The power source is selected by configuring jumpers VCC_1, VCC_2, and BATT. PWR1

and PWR2 independently control the power supply to each MSP430 MCU. See Section 6.5.1 the location

of these jumpers. Figure 3 shows the jumper hierarchy and configuration options.

Figure 3. Jumper Settings for Power Selection

The battery jumper BATT is used to select the onboard batteries to power the system, independent of the

FET connections. The user must ensure that this voltage meets the requirement for proper functionality of

the MSP430 MCU.

The power selection jumpers VCC_1 and VCC_2 select the power connections between the board and

each FET interface. These jumpers are two rows of 3-pin headers, one for each MSP430 onboard.

VCC_1, the bottom row, is for the MSP430FG4618 and, VCC_2 on the top row, is for the MSP430F2013.

A jumper placed on the right 2 pins (FET) selects the JTAG FET as the power source. A jumper placed on

the left 2 pins (LCL) enables local power (either from the batteries or an external supply) to be applied to

each FET for proper logic threshold level matching during program and debug.

Headers PWR1 and PWR2 have been provided to enable power to the individual MSP430s. A jumper

placed on PWR1 provides power to the MSP430FG4618 and a jumper placed on PWR2 provides power

to the MSP430F2013. Individual device current consumption can be measured through each of these

jumpers. Do not make interconnections to the MSP430 MCU that could influence such a measurement.

When the required power selections have been made, the experimenter board is ready to be used. Both

the MSP430FG4618 and MSP430F2013 are factory programmed. After power up, the MSP430FG4618

executes an ultra-low-power real-time clock displayed on the LCD. The MSP430F2013 pulses LED3 from

LPM3 using the VLO for periodic wakeup.

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Hardware Overview

SLAU213B–March 2007–Revised August 2018

MSP430FG4618/F2013 Experimenter Board (MSP

‑

EXP430FG4618)

6 Hardware Overview

This section contains information about the various onboard interfaces and their functionality and about

the various peripherals enabling these interfaces. Wireless applications are facilitated using the

capabilities of the MSP430 MCUs to interface with the wireless evaluation modules (CCxxxxEMK) from TI.

The onboard LEDs and LCD display give visual feedback. Audio applications that leverage the full analog

signal chain of the MSP430FG4618 can be implemented using the microphone and the audio output jack.

In addition, communication across components on and off the board has been integrated.

6.1 Interfaces

Some of these interfaces have the option of being inactive when not in use to conserve power. This is

made possible by port pin configurations on the MSP430 MCUs or hardware jumpers on the experimenter

board. For details of the jumper configurations and positions, see Section 6.5.1.

6.1.1 4-Mux LCD Display

The integrated SoftBaugh SBLCDA4 LCD display supports 4-MUX operation and interfaces to the LCD

driver peripheral of the MSP430FG4618. More information on the LCD can be obtained from the

SoftBaugh website.

6.1.2 Momentary-On Push Buttons

Two external push buttons (S1 and S2) connect to port P1, an interrupt-capable digital I/O port on the

MSP430FG4618.

6.1.3 Light Emitting Diodes (LEDs)

The experimenter board has four LEDs. Three connect to the MSP430FG4618, and one connects to the

MSP430F2013. The LEDs are primarily used for display purposes. Two of the LEDs can be disconnected

using jumpers to reduce the overall power consumption of the board.

6.1.4 Buzzer

A buzzer connects to and is driven by a digital I/O port of the MSP430FG4618. The buzzer can be

disconnected by jumper JP1.

6.1.5 Single-Touch Sensing Interface

A capacitive touch sensing interface in the shape of a "4" is provided. This touchpad is connected to the

digital I/O ports of the MSP430F2013. A total of 16 individual segments form the touchpad, and the

MSP430F2013 monitors activity on the touchpad. The resulting data is communicated to the

MSP430FG4618 through the onboard MCU intercommunication connections.

6.2 Communication Peripherals

The experimenter board supports numerous communication interfaces for onboard and offboard

connections.

6.2.1 Wireless Evaluation Module Interface

Interface to the wireless world is accomplished through the wireless evaluation module header supporting

the CCxxxxEMK boards. The transceiver modules are connected to the USART of the MSP430FG4618

configured in SPI mode. For libraries that interface the MSP430 MCUs, visit the CC2500 product page.

The CC2420EMK (obsolete) supports the IEEE 802.15.4 and Zigbee standards. The CC1100EMK

(obsolete) supports an RF carrier frequency up to 868 MHz, and the CC2500EMK and CC2420EMK

support an RF carrier frequency of 2.4 GHz.

Sampling frequency

Analog in

Analog out

Digital in

Output jack

Microphone

First-order

active high-

pass ﬁlter

using OA0

12-bit ADC Data

processing

12-bit DAC

Second-order

active low-

pass ﬁlter

using OA1

Active

voltage

follower

using OA1

Hardware Overview

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6.2.2 RS-232

For a serial interface to a PC, the MSP430FG4618 supports the standard RS-232 9-pin interface through

its USCI peripheral configured in UART mode. Software can configure standard baud rates for

transmission and reception.

6.2.3 I2C and SPI

The MSP430FG4618 and the MSP430F2013 support I2C and SPI protocols through the USCI and the USI

peripherals for inter-processor communication. The links can be disconnected in hardware to use these

peripherals for other communication purposes.

6.3 Analog Signal Chain

The experimenter board can form a complete analog signal chain using the MSP430FG4618. This board

can be used for numerous audio applications. The board can record and play audio signals without the

use of additional external components.

Figure 4. Analog Signal Chain of MSP430 MCU

6.3.1 Microphone

The microphone is connected to the MSP430FG4618 and may be used for various applications. The

microphone is enabled or disabled through a port pin connected to the MSP430FG4618.

6.3.2 Analog Filters

An active first-order high-pass filter (HPF) with a cut-off frequency of approximately 340 Hz follows the

microphone to eliminate extremely low input frequencies. An optional second-order Sallen-Key active low-

pass filter (LPF) with a cut-off frequency of approximately 4 kHz removes the high-frequency noise on the

analog output of the 12-bit DAC. Figure 5 shows the filter setup. These filters use the integrated op-amps

of the MSP430 MCU. The op-amps OA0 and OA1 facilitate the filtering processes. The gray blocks in

Figure 5 are elements that are internal to the MSP430FG4618.

R29

C18

470 nF

Microphone

R24

1.4k C16

22 nF

OA1I0

OA1I1 OA1O

R25

15.4k

C17

3.3 nF

OA2I0

OA2O

Unity gain buﬀer

12-bit

ADC12

12-bit

DAC12

R30 150k

C21 15 pF

OA0I0

OA0I1

OA2I1

= Internal to MSP430 MCU

OA0O

–

OA0

–

OA1

–

OA2

Sallen-Key

second-order

active LPF

First-order

active HPF

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Hardware Overview

SLAU213B–March 2007–Revised August 2018

MSP430FG4618/F2013 Experimenter Board (MSP

‑

EXP430FG4618)

Figure 5. Active Analog Filter

6.3.3 Analog Output

Analog output can be brought out of the board through a mono 3.5-mm jack connected to the integrated

op-amp OA2. The input to this amplifier can be internally connected to the DAC12 output of the

MSP430FG4618. Several attenuation options are provided internally and in hardware using jumper JP4.

6.4 System Clocks

The experimenter board has various system clock options that support low and high frequencies. Each

MSP430 MCU has integrated clock sources and support for external connections.

6.4.1 MSP430F2013 Clock Sources

The MSP430F2013 uses the internal VLO operating at approximately 12 kHz for an ultra-low-power

standby wake-up time base. The integrated DCO is internally programmable at frequencies up to 16 MHz

for high-speed CPU and system clocking.

6.4.2 MSP430FG4618 Clock Sources

A standard 32.768-kHz watch crystal is populated at footprint X2 and sources source ACLK of the

MSP430FG4618 for low-frequency ultra-low-power standby operation and RTC functionality. The

integrated FLL+ clock module provides a programmable internal high-frequency clock source for the CPU

and other on-chip peripherals. In addition to the FLL+, an external high-frequency crystal or resonator up

to 8 MHz can be added to footprint X1.

Hardware Overview

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6.5 Jumper Configurations

The board can enable various peripherals and components when they are required and disabled them

when not in use to reduce overall power consumption. This is achieved either by software or directly in

hardware. Some of the jumpers are mandatory for the board to function correctly. Section 6.5.1 describes

the jumpers and their locations.

6.5.1 Jumper Locations and Settings

Figure 6 shows the location and name of each jumper on the experimenter board. Table 1 lists the

function of each jumper.

Figure 6. Jumper Locations

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Frequently Asked Questions

SLAU213B–March 2007–Revised August 2018

MSP430FG4618/F2013 Experimenter Board (MSP

‑

EXP430FG4618)

Table 1. Jumper Settings and Functionality

Header Functionality When Jumper Present Functionality When Jumper

Absent Requirement

PWR1 Provides power to MSP430FG4618. Also used to

measure current consumption of the

MSP430FG4618. MSP430FG4618 is not

powered Required to use

MSP430FG4618

PWR2 Provides power to MSP430F2013. Also used to

measure current consumption of the MSP430F2013. MSP430F2013 is not powered Required to use

MSP430F2013

BATT Onboard batteries provide power. Also used to

measure current consumption. Batteries do not provide power

to either MSP430 MCU Required to use AAA batteries

JP1 Buzzer enabled and connected to P3.5 of the

MSP430FG4618. Buzzer muted Optional

JP2 LED3 enabled and connected to P1.0 of the

MSP430F2013. LED3 connection disabled Required to use LED3

JP3 LED4 enabled and connected to P5.1 of

MSP430FG4618. LED4 connection disabled Required to use LED4

JP4 Attenuation set to approximately 69% of the DAC12

audio output. 98% attenuation of the DAC12

audio output Optional

Header H1

(Pins 1-2, 3-4)

I2C Configuration

1-2: SDA – UCB0SDA

3-4: SCL – UCB0SCL No communication possible

through I2CRequired to use I2C

Header H1

(Pins 1-2, 3-4,

5-6, 7-8)

SPI Configuration

1-2: SDI – UCB0SIMO

3-4: SDO – UCB0SOMI

5-6: P1.4 – P3.0 (CS)

7-8: SCLK – UCB0CLK

No communication possible

through SPI Required to use SPI

7 Frequently Asked Questions

1. What devices can be programmed with the experimenter board?

The experimenter board is designed to develop applications using the MSP430FG4618 and

MSP430F2013. These devices can be replaced by MSP430FG461x and MSP430F20xx device

derivatives, respectively.

2. How is power supplied to the experimenter board?

Three supply options exist: 2xAAA battery power, JTAG and external power supplies are supported.

3. Can I use the Parallel FET (MSP-FET430PIF) to program and debug the MSP430 MCUs?

The MSP4304618 supports the USB FET (MSP-FET430UIF) and parallel port FET ( MSP-

FET430PIF). The MSP430F2013 is supported by the USB FET (MSP-FET430UIF) only. The parallel

port FET does not support the Spy Bi-Wire program and debug mode used.

NOTE: The MSP MCU Programmer and Debugger (MSP-FET) supersedes both the MSP-

FET430UIF and MSP-FET430PIF.

4. I have erased and reprogrammed the MSP430 MCU. Can I restore the factory-programmed

firmware on the device?

The software source files are available in MSP430Ware for MSP Microcontrollers.

Frequently Asked Questions

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5. The MSP430FG4618 is no longer accessible through JTAG, is something wrong with the

device?

• Verify that the target device is powered properly

• If the target is powered locally, verify Vcc is applied to pin 4 of the JTAG header

• If communication and power are correctly applied to the target and the issue persists, it may be

due to the MSP430FG4618 accidentally being programmed with MSP430F2xx source code. In

some conditions ‘F2xx source code loaded onto the FG4618 can configure the SVS module to

monitor SVSIN (P6.7) and reset the device in case of a low voltage condition externally applied.

Temporarily connecting P6.7 of the FG4618 to Vcc and reprogramming the target device with the

valid source code will eliminate this issue.

6. Does the experimenter board protect against blowing the JTAG fuse of the target devices?

No. Fuse blow capability is inherent to all Flash-based MSP430 devices in order to protect user’s

intellectual property. Care must be taken to avoid the enabling of the fuse blow option during

programming that would prevent further access to the MSP430 device(s) through JTAG.

7. I am measuring system current in the range of 30mA, is this normal?

Current consumption of the system is dependent on the functions and operation of the hardware being

performed. The RF connectivity and isolated UART communication support, when used, can reach

these current consumption levels. Take care that these elements are not accidentally enabled,

specifically the isolated UART, if such system currents are not expected.

8. Can I use two FETs to perform simultaneous access of the FG4618 and F2013 during

program/debug?

Yes, independent flash emulation tools (either USB or Parallel for FG4618 and USB only for F2013)

can be simultaneously used to program the MSP430 target devices. When supplying power from the

FET, it is recommended to use only one FET to source power. The second FET can sense this voltage

level instead of supplying power, to avoid any voltage conflicts in-system. See Section 5 for details

regarding supported power supply configurations.

9. I cannot properly open the workspace and projects provided in the .zip file with IAR, how can I

open the sample code?

The IAR workspace/projects included for the sample code provided has been created using IAR

Embedded Workbench Version 3.42A. These projects are not backward compatible with older IAR

releases and will not open using prior versions. New workspace/projects can be created and the

sample code source files can be added manually in order to build these samples with older versions.

Instruction for setting up a project in IAR are described in the IAR Embedded Workbench IDE Version

7+ for MSP430 MCUs.

10. I have loaded the FG4618 and F2013 sample code for the capacitive touch sensing application.

It doesn’t seem to be working. What is wrong?

Verify that the correct jumper settings are used for H1 enabling the I2C communication link between

MSP430s. Make sure jumper JP2 is removed, disconnecting LED3 from the touchpad circuitry. When

connected, the LED causes the measurement of the capacitive touch element on P1.0 to fail.

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