Bitrelle LPC2368 Module 1.0

Board Manual

1 Specifications

Bitrelle Tech SCHAEFER LPC2368 USB Rapid Prototyping and Development Board.

Microcontroller

Chip: NXP LPC2364

Processor Core: 32bit ARM7TDMI-S

CPU Clock: 12MHz .. 72MHz

JTAG Debugging and Programming Interface

In System Programming via on-chip Bootloader Software and Serial Interface

General Purpose DMA Controller

Vectored Interrupt Controller with 32 IRQ's

Four General Purpose 32bit Timers

Memory

Static RAM Size: 32kB

Flash Size: 128kB

Flash Endurance: min. 10.000 Cycles

Flash Data Retention: min. 10 Years

Dimensions

Length x Width: 80mm x 50,8mm

Height: 11,6 mm

Stacking Height: 5mm

Bores

Bore Diameter: 3,2mm

Short Distance: 44,8mm

Long Distance: 74mm

Operating Voltage

USB Voltage: 4,75V .. 5,25V

Power Connector Input Voltage: 6,5V .. 12V

Inverse Polarity Protection: 14V, 5W, fuse may blow

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Operating Current

Processor Core Current: typ. 63mA @ 60MHz, 25°C, while(1){}, all Perhiperals off

Processor Core Current: typ. 92mA @ 60MHz, 25°C, while(1){}, all Perhiperals on

Maximum Board Current: 800mA, 400mA (USB)

Fast Acting SMD Chip Fuses: Bel Fuse Type C1Q 1A , 500mA

Operating Temperature

Ambient Temperature: -40°C .. 85°C

LED

Programmable LED's: yellow (590nm) x 4

Power LED: red (635nm)

USB Connect LED: yellow (590nm)

USB Up LED: green (523nm)

Luminous Intensity: typ. 130 cd

Viewing Angle: 140°

RS-232

Transceiver: MAX3232

Input Voltage: -25V .. +25V

Input Threshold Low: min. 0,8V

Input Threshold High: max. 2,4V

Input Resistance: 3kOhm .. 7kOhm

Output Voltage Low: max. 0,4V

Output Voltage Min: min. 4,4V

CAN

Number of Ports: 2

Transceiver: TJA1040 x 2

Input Voltage: -27V .. + 40V

Differential Input Threshold Voltage: typ. 0,7V

Differential Input Resistance: 25kOhm .. 75kOhm

Differential Input Capacitance: max. 10pF

Differential Output Recessive Voltage: -50mV .. +50mV

Differential Output Dominant Voltage: 1,5V .. 3V

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Output Recessive Voltage CANH, CANL: typ. 2,5V

Output Dominant Voltage CANH: typ. 3,6V

Output Dominant Voltage CANL: typ. 1,4V

USB

Protocol: USB 2.0

Data exchange rate: 12Mbit/s (full speed)

Connection: mini USB standard cable

Expansion Ports

Number of Ports: 2

Length x Width: 17,2mm x 3,8mm

Stacking Height: 5mm

Number of Pins: 60

18 Pins: 5V tolerant Input/Output

2 Pins: stabilized 5V Output Voltage: 4,9V .. 5,1V

2 Pins: stabilized 3,3V stabilized Output Voltage: 3,2V .. 3,4V

6 Pins: JTAG

2 Pins: UART0

2 Pins: CAN1

2 Pins: I2C Bus

4 Pins: SPI0 Bus

4 Pins: SPI1 Bus

18 Input/Output Pins

Input Voltage: min. 0V .. max. 5,5V

Input Voltage High: min. 2V

Input Voltage Low: max. 0,8V

Output Voltage High: min. 2,8V

Output Voltage Low: max. 0,4V

Output Current High: min. -4mA

Output Current Low: min. 4mA

Output Short-Circuit-Current High: max. -45mA

Output Short-Circuit-Current Low: max. 50mA

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2 Operation

To operate our Bitrelle Tech SCHAEFER LPC2368 USB Rapid Prototyping and Development Board do the following steps:

1. Connect board with the JTAG debugger.

2. Place the LED jumper

3. Place the DBGEN jumper

4. Connect the power connector with the right polarity

5. Give min. 6,5V to max. 12V on power line

6. Connect USB connector

or

4. Connect USB connector

5. Power line is only needed if You use peripherals that need regulated 5V supply

It is possible to connect lower voltages than 6,5V, e.g. 6V, at the power line but then the stabilized 5V voltage on the expansion ports may be below the guaranteed 4,9V.

If You connect more than 12V the SMD fuse will blow, and it has to be replaced. If You change the polarity by accident, the board has an inverse polarity protection, indeed, but the fuse may also blow.

It's possible to program the board via the RS-232 connector by use of the in system programming on-chip bootloader software. For more details read the NXP microcontroller manuals.

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3 Jumper

If You look from below on the lower side of the board with the expansion port on the right side You see these jumper rail in front of You:

Name Meaning

DEF Free programmable input jumper

ISP In system programming (ISP) jumper for activating the bootloader

JTAG n/a

LED Activate the LED's with this jumper

DBGEN Jumper for activating JTAG Debug functions, otherwise JTAG boundary scan

This is the jumpers You need, if You once have to reorder them:

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4 JTAG Debugger

If You look from the side on Your LPC2129 board and the board lies normal upside on the desk, You see the JTAG debug port with the following polarities:

JTAG

GND RST TDO RTCK TCK TMS TDI TRST 3.3V

The signals have the following meaning:

Name Meaning (from the NXP LPC2129 user manual)

GND Ground.

nRST Global Reset. Triggers the microcontroller reset input pin

TDO Test Data Output. This is the serial data output from the shift register. Data is shifted out of the device on the negative edge of the TCK signal

RTCK Returned Test Clock. Extra signal added to the JTAG port. Required for designs based on ARM7TDMI-S processor core. Multi-ICE (Development system from ARM) uses this signal to maintain synchronization with targets having slow or widely varying clock frequency.

TCK Test Clock. This allows shifting of the data in, on the TMS and TDI pins. It is a positive edge- triggered clock with the TMS and TCK signals that define the internal state of the device.

TMS Test Mode Select. The TMS pin selects the next state in the TAP state machine.

TDI Test Data In. This is the serial data input for the shift register.

nTRST Test Reset. The nTRST pin can be used to reset the test logic within the EmbeddedICE logic

3.3V 3V3 Supply Voltage. For JTAG Debuggers that need this potential.

You need a JTAG debugging adapter to communicate with the board. If You already own a JTAG adapter You can order a cable adapter at Bitrelle's web shop at

www.bitrelle.com

You can also buy a tiny and priceless JTAG adapter for the Bitrelle boards there.

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If You already own a JTAG adapter, make sure, Your debugging adapter is supported by OpenOCD. You can read which devices are supported by OpenOCD newest at

http://openocd.sourceforge.net/supported-jtag-interfaces/

Here's an excerpt of this list:

USB FT2232 Based:✗ usbjtag ✗ jtagkey ✗ jtagkey2 ✗ oocdlink ✗ signalyzer ✗ Luminary ICDI ✗ olimex-jtag ✗ flyswatter ✗ turtelizer2 ✗ comstick ✗ stm32stick ✗ axm0432_jtag ✗ cortino ✗ dlp-usb1232h

USB-JTAG / Altera USB-Blaster compatibles:✗ USB-JTAG Kolja Waschk's USB Blaster-compatible adapter ✗ Altera USB-Blaster

USB JLINK based:✗ SEGGER JLINK ✗ IAR J-Link

USB RLINK based:✗ Raisonance RLink ✗ STM32 Primer ✗ STM32 Primer2

USB Other:✗ USBprog ✗ USB - Presto ✗ Versaloon-Link ✗ ARM-JTAG-EW

IBM PC Parallel Printer Port Based:✗ Wiggler - There are many clones of this. ✗ Wiggler2 ✗ Wiggler_ntrst_inverted ✗ arm-jtag ✗ chameleon

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Connect Your Debugging adapter to Your PC.

Your debugging adapter will only work, it it is supported by OpenOCD AND if it was compiled into the OpenOCD executable. Make sure that You compiled OpenOCD correctly or that Your provider did this for You.

Open a new terminal and type in the command line:

openocd-0.5.0.exe -f target/lpc2129.cfg -f interface/jtagkey.cfg

or

openocd-0.5.0.exe -f target/lpc2378.cfg -f interface/jtagkey2.cfg

This command can only work, if You installed OpenOCD correctly and added the environment variables correctly. If You didn't, look into the Windows/Linux Install Manual, chapter 'JTAG Debugger'.

Make sure, that You use the correct configuration files. Compare Your target configuration files with the files in 'Annex OpenOCD target config files'. The configuration files of Your installation are located in Your OpenOCD directory:

• Windows e.g.: C:\Bitrelle\openocd-0.5.0

• Linux e.g.: /usr/local/share/openocd/scripts/

When You start OpenOCD You might get an error message like that:

This is no important error as long as You only have one device in the JTAG scan chain, otherwise it is important. You can change the <cputapid> value in the 'lpc2129.cfg' file to prevent this error message:

setup_lpc2xxx lpc2129 0x4f1f0f0f 0x40000 lpc2000_v1 0x4000

The <cputapid> value is a number like 0x4f1f0f0f, 0x5f1f0f0f, 0xcf1f0f0f, the OpenOCD output error message tells You the right number to insert.

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After You have inserted the <cputapid> into the 'lpc2129.cfg' file, start OpenOCD again. From now on You should get no error messages again:

To shutdown OpenOCD use the key combination

<CTRL>+C

OpenOCD can be controlled by GCC directly or via Eclipse. This will be explained in the later chapters. There is another method to get access to Your target by controlling OpenOCD with a Telnet connection.

If You don't have a Telnet client installed on Your Windows PC have a look into the Windows install manual annex to see how to install it. Linux users should know how to install a Telnet network client with the help of of one of their distributions software installation tools.

You start the Telnet connection when OpenOCD is running by opening a new command line window and typing:

telnet localhost 4444

or

telnet 127.0.0.1 4444

Both commands mean the same. 4444 is the default Telnet port of OpenOCD and 127.0.0.1 is simply the IP address of 'localhost'.

The OpenOCD Telnet connection will open and You can type commands into the OpenOCD command line. Find the table at the end of this chapter to see the most important OpenOCD commands. The 'usage' command shows You all possible commands and with 'help [command]' You can read more about it.

As an example You can study the following sequence of OpenOCD commands:

pwd

add_script_search_dir c:\Bitrelle\Data\Targets\Tutorials\LPC2129\Tut01_LED

halt

arm core_state arm

load_image Build/LPC2129RAM/tut01_LED_ram.elf

step 0x40000000

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resume

halt

bp 0x400001b0 4

bp 0x400001b0 4 hw

bp 0x400001e8 4 hw

bp 0x40000468 4

bp 0x40000480 4

bp

resume

There are two hardware watchpoint/breakpoint units on the target CPU chip available. The (pseudo-code) sequence:

bp [address1] 4

bp [address1] 4 hw

bp [address2] 4 hw

bp [address3] 4

bp [address4] 4

etc.

enables the first watchpoint/breakpoint unit for software breakpoints. Now, it is possible to set in RAM as many software breakpoints as You need. This is not possible if You are debugging a program in the FLASH memory.

A program in the Flash memory can only use 2 breakpoints, because in the FLASH memory it is not possible to use software breakpoints.

This is not an OpenOCD issue. It is the case for all debuggers working with ARM 7 CPU's.

The sequence:

bp [address1] 4 hw

bp [address2] 4 hw

sets two hardware breakpoints. Now it's not possible to set any more breakpoints, especially no software breakpoints, even if You are working in the RAM, because software breakpoints need one of the two hardware watchpoint/breakpoint units to manage them.

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This is a typical Telnet session with OpenOCD and a program residing in the RAM, where You can set as many software breakpoints as You want (it's similar to the sequence above):

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The most important OpenOCD command line instructions

Command Command, alternative

Explanation

exit leave OpenOCD command line

usage usage [command] show commands

help [command] more detailed help regarding command

pwd print working directory

add_script_search_dir [directory path]

add directory path for searching script or binary files

load_image [image] [offset]

load a binary image to the address provided with the linker script and the additional offset

soft_reset_halt stop CPU and set program counter back to reset vector

halt halt JTAG debugger

resume resume [address] resume running program or resume running program at address

step step [address] step one machine instruction or step to address

bp show list of breakpoints

bp [address] [size] set soft breakpoint at instruction address, size is 4 for ARM and 2 for Thumb mode

bp [address] [size] hw set hardware breakpoint at instruction address, size is 4 for ARM and 2 for Thumb mode

rbp [address] remove breakpoint at address

poll [on/off] poll target for state changes

arm reg show registers and values

arm core_state arm set CPU to ARM mode (not Thumb mode)

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5 USB

If You look from the side on Your LPC2368 board You see the mini USB connector:

The USB controller and tranceiver are both within the microcontroller chip.

Specifications

Protocol: USB 2.0

Data exchange rate: 12Mbit/s (full speed)

Connection: mini USB standard cable

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6 CAN

If You look from the side on Your LPC2368 board and the board lies normal upside on the desk, You see the two CAN ports with the following polarities:

CAN2 CAN1

CANL CGND(SPLIT)

CANH CANL CGND(SPLIT)

CANH

The CAN transceivers are two NXP TJA1040. They are broadly used in industry and automotive applications.

Specifications

Input Voltage: -27V .. + 40V

Differential Input Threshold Voltage: typ. 0,7V

Differential Input Resistance: 25kOhm .. 75kOhm

Differential Input Capacitance: max. 10pF

Differential Output Recessive Voltage: -50mV .. +50mV

Differential Output Dominant Voltage: 1,5V .. 3V

Output Recessive Voltage CANH, CANL: typ. 2,5V

Output Dominant Voltage CANH: typ. 3,6V

Output Dominant Voltage CANL: typ. 1,4V

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7 RS-232

If You look from the side on Your LPC2368 board and the board lies normal upside on the desk, You see the RS-232 port with the following polarities:

RS232

GND RxD TxD

The RS-232 transceiver is a Maxim MAX3232, well known in many industrial applications.

Specifications

Input Voltage: -25V .. +25V

Input Threshold Low: min. 0,8V

Input Threshold High: max. 2,4V

Input Resistance: 3kOhm .. 7kOhm

Output Voltage Low: max. 0,4V

Output Voltage Min: min. 4,4V

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8 Expansion Port

If You look from above on Your LPC2368 board and the board lies normal upside on the desk, with the labeling normal upside, You see the upper expansion port with the following polarities:

Pin Description

Pin Numb

Pin Numb

Pin Description

VDD Supply voltage 60 1 Global reset nRST

VDD 59 2 P0.30

+5V 5V stabilized 58 3 P0.29

+5V 57 4 P0.28

+3V3 3.3V stabilized 56 5 P0.27

+3V3 55 6 CAN1 TD1

TXD0 UART0 54 7 RD1

RXD0 53 8 Ground GND

SCL I2C 52 9 GND

SDA 51 10 GND

SCK0 SPI0 50 11 P0.22

MISO0 49 12 P0.21

MOSI0 48 13 SPI1 SSEL1

SSEL0 47 14 MOSI1

P1.16 46 15 MISO1

P1.17 45 16 SCK1

P1.18 44 17 USER0

P1.19 43 18 USER1

P1.20 42 19 USER2

P1.21 41 20 USER3

P1.22 40 21 P0.13

P1.23 39 22 P0.12

GND Ground 38 23 P0.11

GND 37 24 P0.10

RTCK JTAG 36 25 Ground GND

TDO 35 26 GND

TDI 34 27 GND

TCK 33 28 GND

TMS 32 29 GND

nTRST 31 30 GND

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If You look from above on Your LPC238 board and the board lies normal upside on the desk, with the labeling normal upside, You see the upper expansion port with the pin number 1 on the upper right side:

The expansion port then is on the left side of the board:

The second expansion port lies on the reverse side of the board, and since all connectors are plated-through it is easy to assign the pin numbers mirror-inverted, if You look on the board from below.

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Specifications

Number of Ports: 2

Length x Width: 17,2mm x 3,8mm

Stacking Height: 5mm

Number of Pins: 60

18 Pins: 5V tolerant Input/Output

2 Pins: stabilized 5V Output Voltage: 4,9V .. 5,1V

2 Pins: stabilized 3,3V stabilized Output Voltage: 3,2V .. 3,4V

6 Pins: JTAG

2 Pins: UART0

2 Pins: CAN1

2 Pins: I2C Bus

4 Pins: SPI0 Bus

4 Pins: SPI1 Bus

18 Input/Output Pins

Input Voltage: min. 0V .. max. 5,5V

Input Voltage High: min. 2V

Input Voltage Low: max. 0,8V

Output Voltage High: min. 2,8V

Output Voltage Low: max. 0,4V

Output Current High: min. -4mA

Output Current Low: min. 4mA

Output Short-Circuit-Current High: max. -45mA

Output Short-Circuit-Current Low: max. 50mA

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9 Legal Annotation

The Bitrelle Tech SCHAEFER LPC2368 USB Rapid Prototyping and Development Board is a typical prototyping board. You get schematics and part lists (see annexes) with it. As though the board works very well and is tested several times we give absolutely no warranties.

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10 Document History

Date Description Revision Number

Author(s)

2.6.2012 Initial Revision 1.0 R. Schaefer

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11 Annex Schematics

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12 Annex PartlistPart Value Package

3V3 REG1117 SOT223

5V REG1117-5 SOT223

C1 100n C0603

C2 100n C0603

C3 100n C0603

C4 100n C0603

C5 100n C0603

C6 100n C0603

C7 1u C0805

C9 10uT A/3216-18W

C10 10uT A/3216-18W

C12 18p C0603

C13 18p C0603

C15 100n C0603

C16 100n C0603

C17 100n C0603

C19 100n C0603

C20 100n C0603

C21 100n C0603

C22 100n C0603

C400 100p C0603

C47 47n C0603

C48 100n C0603

C49 100n C0603

C50 100n C0603

C51 100n C0603

C52 47n C0603

C53 100n C0603

C59 33uT CT3528

C60 33uT CT3528

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CONCT CHIPLED gelb _0805

D2 BAS40 SOT23

D3 SMA 1A DO214AC

D4 BAS40 SOT23

D6 BAS40 SOT23

D7 BAS40 SOT23

FUSE1 RAPID 1A C1206

FUSE2 RAPID 500mA C1206

IC1 MAX3232 TSSOP16

IC2 74LVC1G125 SC70-5

IC3 74LVC1G125 SC70-5

IC4 74LVC1G125 SC70-5

IC5 74LVC1G125 SC70-5

LED1 CHIPLED gelb _0805

LED2 CHIPLED gelb _0805

LED3 CHIPLED gelb _0805

LED4 CHIPLED gelb _0805

POWER CHIPLED rot _0805

QG2 CFPS-39 CFPS-39

R1 10k R0603

R2 10k R0603

R3 10k R0603

R4 60R4 R0603

R5 60R4 R0603

R6 60R4 R0603

R7 22K R0603

R8 10k R0603

R9 10k R0603

R10 10k R0603

R11 10k R0603

R12 60R4 R0603

R13 10k R0603

R14 10k R0603

R15 660R R0603

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R16 10k R0603

R17 660R R0603

R18 660R R0603

R19 10k R0603

R20 10k R0603

R21 660R R0603

R22 1K R0603

R23 33R R0603

R24 660R R0603

R25 33R R0603

R26 2K2 R0603

R27 10k R0603

R28 1K5 R0603

R29 660R R0603

R36 10k R0603

T1 PMBTA92 SOT23-BEC

U$1 LPC2368 TFBGA100

U$2 TJA1040 TJA1040

U$5 MCP130T-300-I SOT23B

U$6 10uH L1210

U$13 TJA1040 TJA1040

USB_UP CHIPLED gruen _0805

X2 53048-03 53048-03

X3 53048-09 53048-09

X11 53048-03 53048-03

X29 DF12D-3.0-60 DF12-3.0-60

X41 53048-03 53048-03

X42 53048-02 53048-02

X50 DF12D-3.0-60 DF12-3.0-60

X53 MINI-USB-UX60-MB-5ST UX60-MB-5ST

X77 87758-1016 87758-1016

ZENER 14V 5W SMB@1

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