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NXP Semiconductors

UM11704

PCAL6416AEV-ARD evaluation board

Figure 12. Graphical interface – “LED” tab activated

The 

Debug tab

 (

Figure 13

) displays the current value of the internal registers of the IC,

every time when 

Read

 button is clicked. To find details about internal registry see the

PCAL6416A datasheet.

Figure 13. Graphical interface – “Debug” tab activated

UM11704

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

© NXP B.V. 2021. All rights reserved.

User manual

Rev. 1.0 — 1 December 2021

21 / 25

Summary of Contents for PCAL6408A-ARD

Page 1: ...luation board is a daughter card equipped with Arduino port designed for easy test and design of PCAL6416A IC 16 bit port expander controlled through FM I 2 C 2 wire bus with RESET The board is fully...

Page 2: ...evaluation board Rev Date Description v 1 0 20211201 Initial version Revision history UM11704 All information provided in this document is subject to legal disclaimers NXP B V 2021 All rights reserve...

Page 3: ...heavily depends on proper printed circuit board layout and heat sinking design as well as attention to supply filtering transient suppression and I O signal quality The product provided may not be com...

Page 4: ...aluation of the daughter board The GUI is used with the following NXP evaluation boards IMXRT1050 EVK Board LPCXpresso55S69 Development Board and i MX 8M Mini LPDDR4 EVK Board 2 Finding kit resources...

Page 5: ...ot included in the EVK package 4 Getting to know the hardware 4 1 PCAL6416AEV ARD features I O connector for external access to IC input output pins 8 user switches connected to I O pins of the IC 8 u...

Page 6: ...onnectors the I O external connector J5 the on board LEDs D4 to D11 and switches SW1 to SW8 The IC is connected to Arduino interface through two buses a 3 bit control bus J3 and the I 2 C bus J2 The I...

Page 7: ...ughter board can be directly inserted in the Arduino port The daughter card is using only five signal lines Table 1 represents the pin chart of connectors and the used lines in the circuit see also th...

Page 8: ...igured as inputs and sets the logic level on the I O pins configured as outputs The internal configuration of the DUT includes direction of the digital I O lines input or output polarity inversion pul...

Page 9: ...schematic file 4 8 I O bus The port P0 of the DUT is configured as output The lines drive the on board LEDs D4 to D11 The P1 port is configured as input The on board switches SW1 to SW8 are connected...

Page 10: ...RD board Ref Des Label Default Description OFF Disable the interrupt monitor LED D3 JP1 INT MONITOR ON OFF OFF ON Enable the interrupt monitor LED D3 1 2 Enable the user LEDs D4 D11 JP2 USER LED ON OF...

Page 11: ...AL6xxx I O expander development card family manufactured by NXP PCAL6408A PCAL6416A PCAL6524 and PCAL6534 ICs For details regarding installation of the EVK firmware and GUI host software on PC please...

Page 12: ...ion complete the following procedure 1 Configure the suitable power configuration of EVK J1 If using J28 for power supply the J1 jumper shall be placed in position 5 6 If using an external power suppl...

Page 13: ...10 operating system The LPCXpresso55S69 development board is equipped with four USB Micro B connectors P5 P6 P9 and P10 The board can be powered through any USB port Using P6 USB connector to connect...

Page 14: ...5S69 LPCXpresso55S28 Development Board User Manual Figure 6 PCAL6416AEV ARD daughter board and LPCXpresso55S69 mother board before starting UM11704 All information provided in this document is subject...

Page 15: ...operation Figure 7 PCAL6416AEV ARD daughter board LPCXpresso55S69 mother board operation 6 3 Using the PCAL6416AEV ARD with an i MX 8M Mini LPDDR4 EVK board When an i MX 8M Mini LPDDR4 EVK board is u...

Page 16: ...bly to the i MX 8M Mini LPDDR4 EVK This can be done by plugging J1 connector located on the interposer board to J1003 connector on the EVK To power up the EVK a USB C type cable connected to PORT 2 of...

Page 17: ...referred in the above step 8 Open the GUI application to operate the device from the PC For details regarding GUI operation see Section 7 Figure 9 PCAL6416AEV ARD daughter board i MX 8M Mini LPDDR4 E...

Page 18: ...The section provides the following settings Select EVK displays the list of EVKs Selecting a wrong EVK board causes the connection to fail and a pop up window with the message Unable to Connect with E...

Page 19: ...ernal pull up or pull down resistor Interrupt Mask enable disable the interrupt mask for the input Polarity Inversion enable disable the polarity inversion function for the input The Write button sets...

Page 20: ...Value set the status of the on board user LED the logic state of the output Output drive strength sets the drive strength of the output The Write button sets the internal registers of the DUT with the...

Page 21: ...alue of the internal registers of the IC every time when Read button is clicked To find details about internal registry see the PCAL6416A datasheet Figure 13 Graphical interface Debug tab activated UM...

Page 22: ...Semiconductors 5 LPC556x 32 bit ARM Cortex M33 M33 coprocessor TrustZone PowerQuad CASPER 320KB SRAM 640 KB flash USB HS Flexcomm Interface SDIO 32 bit counter timers SCTimer PWM PLU 16 bit 1 0 Msampl...

Page 23: ...is responsible for doing all necessary testing for the customer s applications and products using NXP Semiconductors products in order to avoid a default of the applications and the products or of the...

Page 24: ...PCAL6416AEV ARD daughter board and LPCXpresso55S69 mother board before starting 14 Fig 7 PCAL6416AEV ARD daughter board LPCXpresso55S69 mother board operation 15 Fig 8 The assembly PCAL6416AEV ARD dau...

Page 25: ...configuring software tools 11 6 Configuring the hardware 11 6 1 Using the PCAL6416AEV ARD with an IMXRT1050 EVK board 11 6 2 Using the PCAL6416AEV ARD with an LPCXpresso55S69 development board 13 6 3...

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