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LPC11U35 QuickStart Board -

User’s Guide

Page 13

Copyright 2012 © Embedded Artists AB

4

Physical Design

This chapter contains information about the physical design of the

LPC11U35 QuickStart Board

.

4.1

Main Components

below illustrates where the main components in the design can be found on the board.

Figure 2

–

Main Components on LPC11U35 QuickStart Board

Mini-B USB connector

J3

Expansion connector

J1, pin1

Expansion connector

J2, pin1

USB connect LED

LED1

PIO0_7 LED

LED3

Bootload pushbutton

SW2

SWD interface

J4

Reset pushbutton

SW1

RESET LED

LED2

LPC11U35

U1

RESET Generator

U3

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Содержание EA-QSB-015

Страница 1: ...ess mainly focus on the distribution of electronic components Line cards we deal with include Microchip ALPS ROHM Xilinx Pulse ON Everlight and Freescale Main products comprise IC Modules Potentiometer IC Socket Relay Connector Our parts cover such applications as commercial industrial and automotives areas We are looking forward to setting up business relationship with you and hope to provide you...

Страница 2: ...C11U35 QuickStart Board User s Guide Copyright 2012 Embedded Artists AB EA2 USG 1205 Rev A LPC11U35 QuickStart Board User s Guide Get Up and Running Quickly and Start Developing Your Applications On Day 1 ...

Страница 3: ... written permission of Embedded Artists AB Disclaimer Embedded Artists AB makes no representation or warranties with respect to the contents hereof and specifically disclaim any implied warranties or merchantability or fitness for any particular purpose Information in this publication is subject to change without notice and does not represent a commitment on the part of Embedded Artists AB Feedbac...

Страница 4: ...ists 6 2 6 1 Design and Production Services 6 2 6 2 OEM Education QuickStart Boards and Kits 7 3 Schematic 8 3 1 Powering 8 3 2 LPC11U35 MCU 8 3 3 Reset Generation 8 3 4 LED on PIO0_7 8 3 5 USB Interface 8 3 6 Bootload Enable Push button 9 3 7 SWD interface 9 3 8 Expansion Connectors 10 3 9 Usage of MCU Pins 11 4 Physical Design 13 4 1 Main Components 13 4 2 Mechanical Dimensions 14 5 Getting Star...

Страница 5: ...LPC11U35 QuickStart Board User s Guide Page 4 Copyright 2012 Embedded Artists AB 1 Document Revision History Revision Date Description PA1 2012 06 18 First draft ...

Страница 6: ... connector dual 15 pos 100 mil 2 54 mm pitch rows 700 mil 17 78 mm apart Expansion connectors has DIP30 structure suitable for breadboard prototyping Flexible powering with on board 150mA 3 3V voltage regulator Can be powered from USB connector or an external 5V supply Onboard reset generation Reset push button Push button for enabling Bootloader mode of the LPC11U35 LED on pin PIO0_7 SWD JTAG con...

Страница 7: ...ure of the LPC11U35 QuickStart Board a prototype and evaluation board fast transient immunity tests and conducted radio frequency immunity tests have not been executed Externally connected cables are assumed to be less than 3 meters The general expansion connectors where internal signals are made available do not have any other ESD protection than from the chip themselves Observe ESD precaution No...

Страница 8: ...ge 7 Copyright 2012 Embedded Artists AB 2 6 2 OEM Education QuickStart Boards and Kits Visit Embedded Artists home page www EmbeddedArtists com for information about other OEM Education QuickStart boards kits or contact your local distributor ...

Страница 9: ...m the external 12 0000 MHz crystal A USB clock reference of 48 MHz can also be created this way The LPC11U35 contains a lot of different peripheral units See the LPC11U35 User s Manual 2 for details about the peripherals clock and power control 3 3 Reset Generation The reset generation is handled by a voltage supervisor chip MIC6315 29D3U from Micrel The reset signal will be held active i e low un...

Страница 10: ...stor minimizes the risk of damaging the PIO0_1 pin if it is operating as an output Also possible external drivers of the pin are protected via the 2Kohm resistor Note that if an external source drives the signal strongly i e with low impedance the 2Kohm resistor will not be enough to pull Pin PIO0_1 low To summarize the following pin states after reset are affecting the ISP mode PIO0_1 PIO0_3 Mode...

Страница 11: ...ction LPC11U35 pin Exp conn DIL30 pin no DIL30 pin no Exp conn LPC11U35 pin On board function GND J1 1 1 30 J2 1 GND VBUS 5V J1 2 2 29 J2 2 3 3V LED PIO0_7 J1 3 3 28 J2 3 PIO0_6 USB conn PIO0_8 J1 4 4 27 J2 4 PIO0_21 PIO0_9 J1 5 5 26 J2 5 PIO0_5 I2C SDA SWCLK PIO0_10 J1 6 6 25 J2 6 PIO0_4 I2C SCL PIO0_22 J1 7 7 24 J2 7 PIO0_3 USB VBUS PIO0_11 J1 8 8 23 J2 8 PIO0_2 PIO0_12 J1 9 9 22 J2 9 PIO0_20 PI...

Страница 12: ...ansion connector On board usage PIO0_0 J2 10 This is the reset input which is active low On board reset generator drives this signal open drain PIO0_1 J2 12 The BL Bootloader pushbutton is connected to this pin via a 2Kohm resistor The pin can be used for other purpose PIO0_2 J2 8 No on board connection Routed directly to expansion connector PIO0_3 J2 7 Connected to VBUS of the mini B USB connecto...

Страница 13: ...n board SWD connector This is the SWDIO signal which is normally used during debugging over SWD PIO0_16 J1 13 No on board connection Routed directly to expansion connector PIO0_17 J2 15 No on board connection Routed directly to expansion connector PIO0_18 J2 14 No on board connection Routed directly to expansion connector PIO0_19 J2 13 No on board connection Routed directly to expansion connector ...

Страница 14: ...d 4 1 Main Components Figure 2 below illustrates where the main components in the design can be found on the board Figure 2 Main Components on LPC11U35 QuickStart Board Mini B USB connector J3 Expansion connector J1 pin1 Expansion connector J2 pin1 USB connect LED LED1 PIO0_7 LED LED3 Bootload pushbutton SW2 SWD interface J4 Reset pushbutton SW1 RESET LED LED2 LPC11U35 U1 RESET Generator U3 ...

Страница 15: ...ntains a picture of the board that includes mechanical measures The distance between the two expansion connectors is 700 mil which simplifies prototyping work with the board Figure 3 LPC11U35 QuickStart Board Mechanical Dimensions 22 mm 40 mm 100 mil 2 54 mm pitch on both sides 700 mil 17 78 mm 1 mm 2 mm 2 5 mm 1 8 mm 2 0 mm ...

Страница 16: ... recommended to use for program development on the LPC11U35 QuickStart Board Sample applications for the LPC11U35 QuickStart Board can be downloaded from the Embedded Artists support site These samples have been developed in the LPCXpresso IDE 5 1 SWD Interface The SWD interface is the recommended interface to use for program development including debugging Any SWD JTAG debug interface that suppor...

Страница 17: ...n ISP mode The sequence of steps can be done quickly The minimum time between step 2 and 3 is in the region of 200mS which is the reset pulse minimum time from U3 plus the time until the LPC11U35 samples the PIO0_1 pin There are two different ISP modes Which one gets activated depends on the PIO0_3 pin USB ISP mode is active if pin PIO0_3 is sampled high immediately after reset Pin PIO0_3 is the U...

Страница 18: ...y file is named s_demo bin C nxp lpcxpresso_4 2 bin checksum exe p lpc11U35 v s_demo bin 5 A USB cable mini B to A must be connected between a computer i e PC and the USB interface J3 on the LPC11U35 QuickStart Board 6 Press down the bootload push button SW2 and then press and release the reset push button SW1 on the LPC11U35 QuickStart Board A storage device named CRP DISABLD will now appear on y...

Страница 19: ...LPC11U35 QuickStart Board User s Guide Page 18 Copyright 2012 Embedded Artists AB Figure 6 LPCXpresso IDE Create a Binary File ...

Страница 20: ...LPC11U35 QuickStart Board User s Guide Page 19 Copyright 2012 Embedded Artists AB Figure 7 LPCXpresso IDE Open Command Prompt Figure 8 Mass Storage Device ...

Страница 21: ...arm com products processors technologies instruction set architectures php 7 ARMv7 M Architecture Reference Manual Document identity DDI 0403D http infocenter arm com help index jsp topic com arm doc ddi0403c index html 8 Cortex M0 Technical Reference Manual Revision r0p0 http infocenter arm com help topic com arm doc ddi0432c index html 9 LPCXpresso IDE NXP s low cost development platform for LPC...

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