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NXP Semiconductors SJA1124EVB, Quick Start Manual, Page: 8 / 12

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NXP Semiconductors SJA1124EVB Quick Start Manual Download Page 8

7

Quick Start Guide

J3 Header

Resistor

Default 
Setting

Signal

Description

J3-1

-

-

VBAT

Power supply

J3-2

R33

0

VDD

SJA1124 VIO reference voltage

J3-3

-

-

-

Not connected

J3-4

R34

open

P3V3

Alternative SJA1124 VIO reference voltage

J3-5

R35

open

P5V0

Alternative SJA1124 VIO reference voltage

J3-6

-

-

GND

Ground

J3-7

-

-

GND

Ground

J3-8

-

-

VBAT

Power supply

J3 HEADER 

– DEFAULT SETTING

Summary of Contents for SJA1124EVB

Page 1: ...Part Number Here Quick StartGuide Evaluation Board for SJA1124 SPI to Quad LIN Bridge ArduinoTM UNO footprint compatible LIN Communication Shield SJA1124EVB ...

Page 2: ...W THE SJA1124 EVALUATION BOARD INHN Indicator LEDs 4 x SJA1124 VIO Supply Indicator LED 16 x LIN Master Figure 1 Front side of SJA1124EVB External Power Supply 5 16V Power Supply Indicator LED J3 Header J4 Header J2 Header J1 Header ...

Page 3: ...rrupt Figure 2 SJA1124EVB footprint SJA1124EVB ArduinoTM UNO footpint compatible shield The SJA1124 EVB has the standard based form factor compatible with ArduinoTM UNO pin layout that enables rapid prototyping with a wide range of microcontroller development boards Example SJA1124EVB S32K144EVB Status ...

Page 4: ...plug in board shield that supports up to 16 LIN master connections when plugged on existing microcontroller development boards The supply connector pin mapping of J3 Header must be checked against microcontroller board supply connector VBAT is the power supply voltage max 16V VDD 3 3V 5V P3V3 3 3V and P5V0 5V are reference voltages Otherwise SJA1124 and other components on the boards can be damage...

Page 5: ... a zero ohm resistor Otherwise different voltage sources are shorted and damage on the microcontroller development boards might occur Digital Interface Voltage Setting 2 STEP BY STEP INSTRUCTIONS cont For the baud rate generators a reference clock CLK 0 4 10 MHz must be provided Default SJA1124EVB setting for CLK pin mapping is J2 2 CLK1_SJA As alternative J2 1 CLK2_SJA or J1 5 CLK3_SJA can be use...

Page 6: ...J1 3 R19 0 INTN_SJA Shared SJA1124 interrupt output J1 4 R18 0 STAT_SJA Shared SJA1124 SPI status output J1 5 R28 open CLK3_SJA Alternative SJA1124 clock reference J1 6 Not connected J1 7 R25 0 SCSN_SJA0 SJA1124 SPI chip select input 0 J1 8 R55 0 SCSN_SJA1 SJA1124 SPI chip select input 1 J1 HEADER DEFAULT SETTING ...

Page 7: ...e SJA1124 clock reference J2 2 R26 0 CLK1_SJA SJA1124 clock reference J2 3 Not connected J2 4 R21 0 SDI_SJA Shared SJA1124 SPI slave data input J2 5 R22 0 SDO_SJA Shared SJA1124 SPI slave data output J2 6 R20 0 SCK_SJA Shared SJA1124 SPI slave clock input J2 7 GND Ground J2 8 Not connected J2 9 Not connected J2 10 Not connected ...

Page 8: ...AT Power supply J3 2 R33 0 VDD SJA1124 VIO reference voltage J3 3 Not connected J3 4 R34 open P3V3 Alternative SJA1124 VIO reference voltage J3 5 R35 open P5V0 Alternative SJA1124 VIO reference voltage J3 6 GND Ground J3 7 GND Ground J3 8 VBAT Power supply J3 HEADER DEFAULT SETTING ...

Page 9: ...tor Default Setting Signal Description J4 1 R17 0 TMF_SJA Shared SJA1124 transmit frame input J4 2 Not connected J4 3 R45 0 SCSN_SJA2 SJA1124 SPI chip select input 2 J4 4 R24 0 SCSN_SJA3 SJA1124 SPI chip select input 3 J4 5 Not connected J4 6 Not connected ...

Page 10: ...9 Quick Start Guide J1 PWR HEADER POWER SUPPLY J1 PWR Header Signal Description J1PWR 1 VBAT Power supply J1PWR 2 GND Ground J1PWR 3 GND Ground Figure 8 Power supply circuit ...

Page 11: ...ww nxp com J5 J20 HEADER LIN BUS Jx Header J5 J20 Resistor Default Setting Signal Description Jx 1 Rx 0 LINx LIN bus Jx 2 VBAT Power supply Jx 3 Not connected Jx 4 GND Ground Figure 8 LIN circuit at SJA1124 ...

Page 12: ...rs 2018 NXP B V SUPPORT Visit www nxp com support for technical communities and support requests WARRANTY Visit www nxp com warranty for complete warranty information Document Number TR1821 REV 1 Get Started Download example software and documentation from NXP DocStore NDA required www docstore nxp com In Vehicle Networking LIN SJA1124 ...

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