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NXP Semiconductors LPCXpresso804, Руководство пользователя

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UM11083

All information provided in this document is subject to legal disclaimers.

© NXP B.V. 2018. All rights reserved.

User Manual

Rev. 1.1 — 24 September 2018 

9 of 16

 

NXP Semiconductors

LPCXpresso804

User Manual

 

Note that the default ports for ISP UART boot are connected to CN2.

5.2 Grove connector

The LPCXpresso804 board includes a header for connection of Seeed Studio Grove I

2

C 

sensors. This header supplies the I

2

C connections plus 3.3V and ground. 

Table 2.

Arduino expansion connector pin mappings (CN4)

Pin

Arduino signal

LPCXpresso804

Shared with

3

Reset (active low) Reset/PIO0_5

Reset button, SWD reset input

4

3.3V

Regulator (U3) output

-

5

5V

To board regulator 
inputs (U3 and U5)

-

6

GND

GND

-

7

GND

GND

-

Table 3.

Arduino expansion analog connector pin mappings (CN5)

Pin

Arduino signal

LPC804 pin

Shared with

1

A0

PIO0_10

CN6, potentiometer

2

A1

PIO0_16

CN6, SPI flash chip select

3

A2

PIO0_17

CN6

4

A3

PIO0_7

CN7, CN3, Grove connector, LM75

5

A4

PIO0_4

CN6, CN8

6

A5

PIO0_1

CN7, SPI Flash (clk)

Table 4.

Arduino expansion connector pin mappings (CN3)

Pin

Arduino signal

LPC804 pin

Shared with

1

SCL

PIO0_14

CN7, Grove connector, LM75

2

SDA

PIO0_7

CN7, CN5, Grove connector, LM75

3

AREF

AREF

4

GND

GND

5

SPI SCK

PIO0_1

User button, SPI flash 

6

SPI MISO

PIO0_9

CN7, SPI flash 

7

SPI MOSI

PIO0_8

CN7, SPI flash 

8

SPI SSEL

PIO0_15

CN7

9

PWM/GPIO

PIO0_18

CN6

10

PWM/GPIO

PIO0_20

CN7

Table 5.

Arduino expansion connector pin mappings (CN8)

Pin

Arduino signal

LPC804 pin

Shared with

2

PWM/GPIO

PIO0_19

CN7

3

PWM/GPIO

PIO0_11

CN6, blue user LED

4

PWM/GPIO

PIO0_13

CN6, User button, red user LED

5

INT

PIO0_21

CN6

6

INT

PIO0_12

CN6, green user LED

7

UART TX

PIO0_4

CN5, CN6, debug UART

8

UART RX

PIO0_0

CN7, debug UART

Содержание LPCXpresso804

Страница 1: ...LPCXpresso804 User Manual for LPCXpresso804 Board Rev 1 1 24 September 2018 User Manual Document information Info Content Keywords LPCXpresso804 OM40001 LPC804 Abstract LPCXpresso804 User Manual ...

Страница 2: ... 1 24 September 2018 2 of 16 Contact information For more information please visit http www nxp com For sales office addresses please send an email to salesaddresses nxp com NXP Semiconductors LPCXpresso804 User Manual Revision history Rev Date Description 1 0 20180209 First release 1 1 20182409 Corrected section 8 2 text PLU output ...

Страница 3: ...ng with the LPC804 MCU Figure 1 shows the LPCXpresso804 main board The board is also supplied with capacitive touch and PLU design prototyping shield boards The LPCXpresso804 board includes the following features Compatible with MCUXpresso IDE and other popular toolchains incl IAR and Keil LPC804 Arm Cortex M0 MCU running at up to 15MHz On board CMSIS DAP debug probe with VCOM port based on LPC11U...

Страница 4: ...JP4 JP22 JP21 JP4 JP23 JP3 JP5 JP8 VDD select S1 S2 S1 Pot User LEDs Debug probe LEDs JP7 VREF select JP1 Table 1 Jumpers and connectors LPCXpresso804 board Circuit reference Description Reference section JP1 On chip debug probe disable Insert a jumper on this header to disable the on board debug probe and use an external probe 4 JP2 and JP24 LPC804 UART connections to debug probe Remove these jum...

Страница 5: ...is 3 3V See schematic JP8 LPC804 VDD selection Used to select between 3 3V and 1 8V supplies default 3 3V See schematic JP21 JP22 and JP5 These jumpers are provided to allow the user LEDs to be disconnected from their respective LPC804 pins enabling low power measurements and for those signals to be used for other purposes JP21 JP22 and JP25 enabled disable PIO11 PIO_12 and PIO0_13 respectively Se...

Страница 6: ...et the serial port for 9600 baud 8 bits no parity The Blue user LED will flash 3 times then the green LED will flash 3 times and the terminal will display HelloWorld followed by Press key to start LED test Press the ISP button S2 The green and blue user LEDs will flash then each LED will be lit in turn twice before all three blink 3 times The terminal will show DONE The terminal will show Press ke...

Страница 7: ...e the build processing in the Console window to the right of the Quickstart panel The projects are set up to include dependency checking so the build process will automatically build the utility and peripheral libraries as well as the example program 7 Ensuring the LPCXpresso804 is connected to the host computer click Debug in the Quickstart panel The IDE will search for available debug probes Sel...

Страница 8: ...e LPC11U35 device The behavior of the LEDs will vary depending on firmware used typically the CMSIS LED will blink when debug communication is occurring and the COMM LED will blink when data is being transferred over the VCOMM port 4 1 Using an external debug probe An external debug probe that supports ARM s SWD interface such as a SEGGER J Link or PE Micro probe can be used with the LPCXpresso804...

Страница 9: ...tor pin mappings CN5 Pin Arduino signal LPC804 pin Shared with 1 A0 PIO0_10 CN6 potentiometer 2 A1 PIO0_16 CN6 SPI flash chip select 3 A2 PIO0_17 CN6 4 A3 PIO0_7 CN7 CN3 Grove connector LM75 5 A4 PIO0_4 CN6 CN8 6 A5 PIO0_1 CN7 SPI Flash clk Table 4 Arduino expansion connector pin mappings CN3 Pin Arduino signal LPC804 pin Shared with 1 SCL PIO0_14 CN7 Grove connector LM75 2 SDA PIO0_7 CN7 CN5 Grov...

Страница 10: ... an ammeter is not being used a jumper should be installed on JP5 7 Other board features This section describes other board features not detailed elsewhere in this document 7 1 ISP booting and the ISP button The LPC804 can be forced into ISP boot mode by holding down the ISP button S2 and then holding and releasing the Reset button S3 The ISP button is connected to LPC804 pin PIO0_12 which is also...

Страница 11: ...to be connected to VDD marked as VCC on the Shield or GND through a resistor to set those inputs to a logic 1 or zero 8 LEDs with jumpers to connect disconnect possible PLU outputs for visual status indication Push button option for momentary edge signal inputs Low frequency oscillator with 1024Hz and 8Hz outputs The PLU shield also includes a test circuit that can be used to implement a simple co...

Страница 12: ...at some connections are shared so require other configurations settings before use see Notes column in the table 8 3 DAC ADC continuity tester circuit The PLU shield includes a simple circuit to implement a continuity tester as shown below Table 7 PLU input on off switches Switch LPC804 signal Notes S1 PIO0_0 Also connected to debug UART Remove JP2 to avoid conflicts S2 PIO0_10 Shared with potenti...

Страница 13: ...ications typically to indicate a button press The connections for the capacitive touch buttons are shown in Table 9 As some signals are shared with other functions the jumpers shown in the table should be removed from the LPCXpresso804 board when using the capacitive touch shield The five user LEDs are active low on when control signal is at logic 0 The signal assignments are shown in Table 10 Not...

Страница 14: ...miconductors LPCXpresso804 User Manual The LPC804 Code Bundle available under the Software and Tools tab of the OM40001 board web page http www nxp com demoboard OM40001 includes driver and example code to show how to use the capacitive touch feature of the board Table 10 Capacitive touch LED signals LED LPC804 I O D1 PIO0_20 D2 PIO0_18 D3 PIO0_15 D4 PIO0_8 D5 PIO0_9 ...

Страница 15: ... expected to result in personal injury death or severe property or environmental damage NXP Semiconductors accepts no liability for inclusion and or use of NXP Semiconductors products in such equipment or applications and therefore such inclusion and or use is at the customer s own risk Applications Applications that are described herein for any of these products are for illustrative purposes only...

Страница 16: ... 1 Using an external debug probe 8 5 Expansion connectors headers 8 5 1 Arduino UNO Rev 3 expansion connectors 9 5 2 Grove connector 10 6 Power supplies and supply current measurement 10 6 1 Board powering options 10 6 2 LPC804 supply current measurement 10 7 Other board features 10 7 1 ISP booting and the ISP button 10 7 2 User button 11 7 3 User LEDs 11 7 4 Temperature sensor LM75 circuit ref U7...

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