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产品型号5013的概述

芯片5013的概述芯片5013是一种功能强大的集成电路，广泛应用于多种电子设备中。它通常被归类为多用途信号处理器，具有高效的运算能力和良好的适应性。得益于其优秀的性能，5013芯片被广泛应用于通信、汽车电子、工业控制以及消费电子等领域。本文将详细探讨芯片5013的参数、厂家信息、包装和封装类型、引脚布局和电路图，以及实际使用案例。芯片5013的详细参数芯片5013的核心参数通常包括工作电压、功耗、速率、输入和输出特性等。具体参数如下： - 工作电压：3.3V - 5V，适配多种电源环境。 - 功耗：典型功耗为5mA，在待机模式下功耗显著降低，约为1μA。 - 操作温度范围：-40°C至85°C，确保在极端环境下稳定运行。 - 总线接口：支持I2C和SPI两种通信协议，灵活连接多种外设。 - 内存：具有512字节的RAM和1KB的闪存，按钮和传感器数据的存储需求得到了满足。 - 引...

产品型号5013的Datasheet PDF文件预览

User's Guide

SCPU034–December 2011

TCA7408EVM,TCA5405EVM

This user’s guide describes the characteristics, setup and use of the TCA7408EVM/TCA5405EVM

Evaluation Module (EVM). This user’s guide includes set-up instructions, a schematic diagram, a bill of

materials, printed-circuit board layout drawings, software instructions, and operation instructions.

Contents

Introduction .................................................................................................................. 1

1.1

1.2

1.3

1.4

1.5

1.6

Features ............................................................................................................. 2

TPL0401A/B ........................................................................................................ 2

TCA5405 ............................................................................................................ 2

TCA7408 ............................................................................................................ 2

TLC59108 ........................................................................................................... 2

Requirements ....................................................................................................... 2

Setup ......................................................................................................................... 3

2.1

2.2

Connectors and Jumpers ......................................................................................... 3

Hardware Setup .................................................................................................... 4

Operation ..................................................................................................................... 4

MSP430 Code ............................................................................................................... 4

4.1

TCA5405 ............................................................................................................ 4

Schematics, Layout, and Bill of Materials ................................................................................ 6

5.1

5.2

5.3

Schematics .......................................................................................................... 6

Layout ............................................................................................................... 9

Bill of Materials .................................................................................................... 13

List of Figures

Data Flow for TCA5405 ....................................................................................................

TCA5405, TCA7408 Schematic...........................................................................................

TLC59108 Schematic ......................................................................................................

TPL0401 Schematic ........................................................................................................

Routing, Assembly and Silkscreen Top..................................................................................

Layer 2 Power Plane...................................................................................................... 10

Layer 3 Ground Plane .................................................................................................... 11

Routing and Assembly Bottom .......................................................................................... 12

List of Tables

Description of Connectors and Jumpers.................................................................................

TCA7408EVM/TCA5405EVM Bill of Material.......................................................................... 13

Introduction

The TCA7408-5405EVM is designed to show the used of multiple TI products on a single evaluation

board. It shows how the single-wire 5-bit output expander TCA5405 is used to generate LED blinking

functions. The Single wire interface is implemented using a single GPIO port on the MSP430, and very

simple firmware embedded in the device. The TCA7408 GPIO expander is used to an input handler, that

detects Key presses and notifies the MSP430. The EVM also has the TPL0401 that is used for RGB color

mixing in conjunction with the TLC59108.

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Introduction

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1.1 Features

•

Works with MSP430 Launchpad

Illustrates the use of TPL0401DPOT for color mixing

TCA7408 used for Key press detection

Shows the use of Single wire self timed interface in TCA5405

Color mixing and LED blinking control

1.2 TPL0401A/B

The TPL0401 is an I2C bus controlled, single channel, linear-taper digital potentiometer with 128 wiper

positions. TPL0401A/B have an end-to-end resistance of 10k ohms and the low terminal internally

connected to ground.

1.3 TCA5405

The TCA5405 is a 5-bit output expander controlled using a single wire input. This device is ideal for

portable applications as it has a wide VCC range of 1.65V to 3.6 V. The TCA5405 uses a self-timed serial

data protocol with a single data input driven by a master device synchronized to an internal clock of that

device.

1.4 TCA7408

This 8-bit I/O expander for the two-line bidirectional bus (I²C) is designed to provide general-purpose

remote I/O expansion via the I²C interface [serial clock (SCL) and serial data (SDA)]. The major benefit of

this device is its wide VCC range. It can operate from 1.65-V to 3.6-V on the GPIO-port side and 1.65-V to

5.5-V on the SDA/SCL side. This allows the TCA7408 to interface with next-generation microprocessors

and microcontrollers on the SDA/SCL side, where supply levels are dropping down to conserve power.

The TCA7408 open-drain interrupt (INT) output is activated when any GPIO set as an input has a

transition to the state opposite of that in the Input Default State register and the corresponding bit in the

Interrupt Mask Register is set to 0. It is used to indicate to the system master that an input has changed to

a pre-determined state.

1.5 TLC59108

The TLC59108 is an I²C bus controlled 8-bit LED driver that is optimized for red/green/blue/amber (RGBA)

color mixing and backlight application for amusement products. Each LED output has its own 8-bit

resolution (256 steps) fixed-frequency individual PWM controller that operates at 97 kHz, with a duty cycle

that is adjustable from 0% to 99.6%. The individual PWM controller allows each LED to be set to a specific

brightness value. An additional 8-bit resolution group PWM controller has both a fixed frequency of 190 Hz

and an adjustable frequency between 24 Hz to once every 10.73 seconds, with a duty cycle that is

adjustable from 0% to 99.6%. The group PWM controller dims or blinks all LEDs with the same value.

TLC59108 scales up the reference current set by the external resistor (Rext) to sink the output current

(Iout) at each output port.

1.6 Requirements

In order to operate this EVM, the following components must be connected and properly configured.

1.6.1

LaunchPad

A Texas Instruments LaunchPad (MSP-EXP430G2) with the male headers and an MSP430G2553

microcontroller installed is required to run the board. A LaunchPad can be acquired here

(https://estore.ti.com/MSP-EXP430G2-MSP430-LaunchPad-Value-Line-Development-kit-P2031.aspx)

NOTE: IMPORTANT: The code to control the TCA7408EVM/TCA5405EVM was written from an

MSP430G2553 and will not work with the MSP430 chips that are included with the

LaunchPad kit.

TCA7408EVM,TCA5405EVM

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Setup

1.6.2

Power Supply (*Optional)

To ensure correct functionality of the LEDs a 5V supply at 300mA is recommended (refer to note in

section 2.3.1). If not using a USB cable to power the LaunchPad a 3.3V power supply at 200mA is

required.

Setup

This section describes the jumpers and connectors on the EVM.

2.1 Connectors and Jumpers

2.1.1

2.1.2

2.1.3

2.1.4

J1 & J2 – LaunchPad Headers

These connectors mate with the male headers on the LaunchPad.

J3 – External LED Power

This connector is where the external +5V supply is attached to power the two RGB LEDs.

J4 – TCA7408 GPIO

This is a pin out of the four unused GPIO pins from the TCA7408, GPIO4-GPIO7.

J5 – Feedback loop

For the TPL0401A to function as a voltage reference circuit the negative feedback loop must be shorted,

placing a jumper across this header will short the inverting input to the output.

2.1.5

2.1.6

2.1.7

J6 – LED or Op-amp

This header controls what the TPL0401B is attached to. When shorted across position 1 and 2 the

TPL0401B is connected in series with the external resistor to control the current through the LED driver.

When shorted across position 2 and 3 the TPL0401B is connected to the inverting input of the op-amp to

change the gain of the circuit.

J7 – Op-amp input

This header controls the input to the non-inverting pin of the LMV321. When shorted across position 1 and

2, the TPL0401A in a voltage divider mode is attached to the non-inverting input of the LVM321. This

setup is used to test the voltage reference setup. When shorted across pins 2 and 3, the SMA connector

is attached to the non-inverting input.

J9 – Test Points

This connector offers test points for the serial data lines, SDA, SCL and the DIN that drives the TCA5405.

Table 1. Description of Connectors and Jumpers

Label Description

J1, J2 Connectors to interface with LaunchPad

External 5V for LED

GPIO4-GPIO7 from TCA7408

Control jumper to short feedback loop

Jumper to control LED or Op-Amp

Jumper to control input to Op-Amp

SMA/B Footprint for external input

Test points for DIN, SDA and SCL

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Operation

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2.2 Hardware Setup

There are three different modes that the EVM can be used in, LED mode, Voltage reference mode, and

Variable gain mode. To setup any of these three modes, begin by connecting the EVM to the LaunchPad.

Note the location of the VCC and GND pins on headers J1 and J2 on both the LaunchPad and the EVM to

ensure correct installation.

Install a shorting jumper across pins 1 and 2 of J6. Connect an external +5V supply to J3 and either

connect the LaunchPad to a computer through USB or connect a 3.3V power supply to J6* on the

LaunchPad to power it up.

NOTE: : It can be possible to power up the LEDs by connecting a wire from the VCC pin of J6 on

the LaunchPad to the positive pin of J3. A 5V supply might be required because the max

voltage drop across the blue LED plus the drop across the TLC59108 is larger than the

supply voltage of the LaunchPad.

Operation

The TCA5405 will control when D1-D5 light up. TPL0401B is connected in series to the REXT of the

TLC59108 LED driver this setup will control D6 and D7. Each color is set to a fixed PWM to ensure

baseline brightness is similar. Color mixing is then accomplished through unique methods. The desired

current is set by changing the W-L resistance of the TPL0401B and the desired LED is switched on. This

repeats for the other colors and then starts over. The LEDs are multiplexed at about 1000 Hz.

After setting up the EVM as described in section 2.3.1, LEDs D1-D5 should be blinking and D6 and D7 will

be blue. To increase the speed at which D1-D5 blink press SW1 and to decrease the speed press SW2.

There are 25 different colors that can be created with D6-7 starting with blue and ending with green. To

step through the colors from blue to green press S4. To step through the colors from green to blue press

S3.

MSP430 Code

4.1 TCA5405

Within the source code for the MSP430 there are two different methods to handle sending data to the

TCA5405. This section will explain how the TCA5405 functions and how the MSP430G2xx3 code works.

Figure 1. Data Flow for TCA5405

TCA7408EVM,TCA5405EVM

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MSP430 Code

4.1.1

TC5405 Overview

As shown in Figure 1, a ten bit serial transfer is required to set the five outputs on the TCA5405. The first

four bits, 0101 (S0-S3), act as a start flag for the TCA5405. S0 is a start bit and S1-S3 are the clock sense

bits for the TCA5405. The next five bits (D4-D0) are the data bits associated with each of the outputs. The

tenth bit returns the serial line back to high to ready the TCA5405 for the next input.

In the source code there are two methods to handle this communication. These functions are located in

Single_Wire.c

1. Use a GPIO (general purpose input/output) and a clock delay to emulate S0-D0.

2. Use one of the MSP430 timers to change the output at a specified bit interval.

4.1.2

4.1.3

bit_bang_TCA5405_byte(unsigned char byte)

The function bi_bang_TCA5405_byte(unsigned char byte) will emulate the required ten bits for

communication with the TCA5405. This function works very simply by driving a GPIO pin to high or low

and utilizing the _delay_cycles() function to hold the value. After each assert on the GPIO pin a

_delay_cycles(16) is called to wait roughly 2 microseconds before the next bit. The section that handles

the data bits (D4-D0) only uses a _delay_cycles(10) function; this is to adjust for the time spent on if

statements.

send_TCA5405_byte

The function send_TCA5405_byte(unsigned char byte) along with 5405_Timer_ISR() implements the

required serial data by using one of the MSP430 timers. When a byte is sent to send_TCA5405_byte(),

the function adds the start flag (S0-S3) to the beginning and the stop bit (1) to the end (LSB), stores the

new value to a global variable, and enables the timer interrupts. After a set number of clock cycles defined

by NEXT_BIT_TIME, 5405_Timer_ISR() is called and adjusts the output of the P2.0 accordingly.

NOTE: The start flag S0-S3 is hard coded into each of these methods

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Schematics, Layout, and Bill of Materials

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Schematics, Layout, and Bill of Materials

5.1 Schematics

Figure 2. TCA5405, TCA7408 Schematic

TCA7408EVM,TCA5405EVM

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Schematics, Layout, and Bill of Materials

Figure 3. TLC59108 Schematic

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Schematics, Layout, and Bill of Materials

www.ti.com

Figure 4. TPL0401 Schematic

TCA7408EVM,TCA5405EVM

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Schematics, Layout, and Bill of Materials

5.2 Layout

Figure 5. Routing, Assembly and Silkscreen Top

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Schematics, Layout, and Bill of Materials

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Figure 6. Layer 2 Power Plane

TCA7408EVM,TCA5405EVM

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Schematics, Layout, and Bill of Materials

Figure 7. Layer 3 Ground Plane

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Schematics, Layout, and Bill of Materials

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Figure 8. Routing and Assembly Bottom

TCA7408EVM,TCA5405EVM

SCPU034–December 2011

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Schematics, Layout, and Bill of Materials

5.3 Bill of Materials

Table 2. TCA7408EVM/TCA5405EVM Bill of Material

Qty

RefDes

C1-4

Value

0.1µ

10µ

Description

Part Number

MFG

Notes

Capacitor, Ceramic

DNI

Connector, SMA , Straight, PC 901-144-8RFX

mount

AMP

D1-5

D6-7

J3 J5

J6-7

SML-P12PTT86

Diode, LED, GREEN 2.2V

20mA

SML-P12PTT86

ROHM

Kingbright

Sullins

APF3236SURKZGQ LED SMD TRI Color

BDC

APF3236SURKZGQBDC

Header, Male 2-pin, 100mil

spacing

Header, Male 3-pin, 100mil

spacing

Header, Male 4-pin, 100mil

spacing

J1-2

PPTC101LFBN-RC Header, Female 10-pin, 100mil PPTC101LFBN-RC

spacing

Header, Male 2x3-pin, 100mil

spacing

DNI

R15-16

100k

10k

Resistor, Chip, 1/16W 5%

R1-R4 R11

R13-R14

R17-R19

R5-9

R10

R12

TP2

200

Resistor, Chip, 1/16W 1%

Resistor, Chip, 1/16W, 1%

Resistor, Chip, 1/16W, 5%

250

{value}

5001

DNI

Test Point, Black, Thru Hole

Color Keyed

5001

Keystone

TP1

5013

Test Point, Orange, Thru Hole 5013

S1-4

EVQ221304M

Switch, SPST, 20-mA, 15-V

EVQ21304M; EVQ21305R; Panasoni Prefer EVQ21304M

EVQ21307K

if unavailable use

305R or 307K

LMV321IDBVR

TCA5405RUG

IC Low Power Single Op-amp

LMV321IDBVR

TCA5405RUG

IC, Low Voltage 5-Bit

Self-Timed, Single-Wire Output

Expander

TCA7408ZSZ

IC, Low-Voltage 8-Bit I2C and

SMBus I/O Expander

TCA7408ZSZ

TLC59108RGY

IC, 8-BIT Fm+ I2C-Bus

Constant-Current LED Sink

Driver

TLC59108RGY

TPL0401ADCK

TPL0401BDCK

IC, Digital POT, 1Chan,

128Tap

TPL0401ADCK

TPL0401BDCK

IC, Digital POT, 1Chan,

128Tap

empty paragraph

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5013产品参数

型号:	5013
是否无铅：	不含铅
是否Rohs认证：	符合
生命周期：	Active
IHS 制造商：	KEYSTONE ELECTRONICS CORP
Reach Compliance Code：	compliant
风险等级：	0.6
Is Samacsys：	N
连接器类型：	INTERCONNECTION DEVICE
Base Number Matches：	1

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产品型号5013的概述

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