Forlinx FET6254-C Manual de usuario

FET6254-C, OK6254-C

ARM Cortex-A53+ ARM Cortex-M4F

Embedded Development Platform

Hardware Manual

Rev. 1.0

July, 2022

Forlinx Embedded Technology Co. Ltd. www.forlinx.net

User Manual

Hardware manual

OK3568-C FET3568-C

www.forlinx.net

- 2 -

Update record

Date

Manual

version

SoM

version

Carrier board

version

Update record

July, 2022

V1.0

V1.1

First edition

Hardware manual

OK6254-C FET6254-C

www.forlinx.net

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Content

Update record ............................................................................................................................................- 2 -

Content ......................................................................................................................................................- 3 -

Chapter 1 Overview of AM62x ................................................................................................................ - 8 -

Chapter 2 Introduction of FET6254-C SoM .............................................................................................- 9 -

2.1 FET6254-C Exterior .................................................................................................................... - 9 -

2.2 FET6254-C Mechanical Dimensions(Top layer+ bottom layer) ................................................. - 9 -

2.3 FET6254-C Features ..................................................................................................................- 10 -

2.3.1 Frequency .........................................................................................................................- 10 -

2.3.2 Power Supply ...................................................................................................................- 10 -

2.3.3 Working Environment ......................................................................................................- 10 -

2.3.4 SoM Interface Speed ........................................................................................................- 11 -

2.4 SoM Resource ............................................................................................................................ - 11 -

2.5 SoM FET6254-C Pin Definition ................................................................................................- 13 -

2.5.1 Schematic .........................................................................................................................- 13 -

2.5.2 SoM FET6254-C Pins Spec. ............................................................................................- 16 -

2.6 SoM Pin Spec. ............................................................................................................................- 25 -

2.6.1 Power Pin .........................................................................................................................- 25 -

2.6.2 Boot Pin ........................................................................................................................... - 27 -

2.6.3 LVDS Output Pin ............................................................................................................. - 28 -

2.6.4 MIPI CSI ..........................................................................................................................- 28 -

2.6.5 USB ..................................................................................................................................- 29 -

2.6.6 Ethernet ............................................................................................................................- 29 -

2.6.7 CPTS ................................................................................................................................- 30 -

2.6.8 DSS(Display Subsystem) .................................................................................................- 30 -

2.6.9 ECAP ............................................................................................................................... - 31 -

2.6.10 Emulation and Debug .................................................................................................... - 31 -

2.6.11 EPWM ............................................................................................................................- 32 -

2.6.12 EQEP ............................................................................................................................. - 33 -

2.6.13 GPMC ............................................................................................................................ - 33 -

2.6.14 IIC .................................................................................................................................. - 36 -

2.6.15 MCAN ........................................................................................................................... - 37 -

2.7.16 MCASP ..........................................................................................................................- 37 -

2.7.17 MCSPI ........................................................................................................................... - 39 -

2.7.18 MDIO .............................................................................................................................- 40 -

2.7.19 MMC ..............................................................................................................................- 40 -

2.7.20 OSPI ...............................................................................................................................- 41 -

2.7.21 System Pins ....................................................................................................................- 41 -

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2.7.22 TIMER ........................................................................................................................... - 42 -

2.7.23 UART.............................................................................................................................- 43 -

2.7 SoM Designing Tips .................................................................................................................. - 46 -

Chapter 3 OK6254-C Carrier Board Features ........................................................................................ - 47 -

3.1 Overview ....................................................................................................................................- 47 -

3.2 Dimensions ................................................................................................................................ - 48 -

3.3 Carrier Board Features ...............................................................................................................- 48 -

3.4 Carrier Board Introduction .........................................................................................................- 49 -

3.5.1 Power ............................................................................................................................... - 49 -

3.5.2 Reset .................................................................................................................................- 51 -

3.5.3 Boot Mode ....................................................................................................................... - 51 -

3.5.4 Debug Port ....................................................................................................................... - 53 -

3.5.5 JTAG ................................................................................................................................ - 53 -

3.5.6 LED and User Key ...........................................................................................................- 54 -

3.5.7 Display ............................................................................................................................. - 55 -

3.5.8 Video Input .......................................................................................................................- 57 -

3.5.9 TF Card ............................................................................................................................ - 57 -

3.5.10 Ethernet ..........................................................................................................................- 58 -

3.5.11 USB ................................................................................................................................- 59 -

3.5.12 4G/ 5G ............................................................................................................................- 60 -

3.5.13 WiFi& BT ...................................................................................................................... - 61 -

3.5.14 Audio ..............................................................................................................................- 62 -

3.5.15 RTC ................................................................................................................................- 63 -

3.5.16 QSPI Flash ..................................................................................................................... - 63 -

3.5.17 GPMC ............................................................................................................................ - 64 -

3.5.18 PCIe2.1 .......................................................................................................................... - 64 -

3.5.18 CAN&RS485 ................................................................................................................. - 65 -

3.5.19 EEPROM ....................................................................................................................... - 66 -

3.5.20 MCU Pins for Users .......................................................................................................- 66 -

Appendix .................................................................................................................................................- 67 -

Appendix 1 Carrier Board Designing Instruction ............................................................................- 67 -

Appendix 2 Power Consumption .....................................................................................................- 68 -

Appendix 3 Connector Dimensions .................................................................................................- 68 -

Appendix 4 Minimum System Schematic ....................................................................................... - 71 -

Hardware manual

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- 5 -

Attentions

MUST READ BEFORE WORKING WITH THE BOARD

Product Operation Environment:

Hot-plug of system on module and peripheral modules is strictly prohibited.

Please follow all the warnings and instructions marked on the product.

Please keep the product dry. Once splashed or immersed by any liquid, cut off the power and

dry it out immediately.

Please store and operate the product in ventilating conditions to avoid damages brought by

over high temperature.

Please do not use or store the product in dusty or untidy conditions.

Please do not use or store the product in alternate cold and hot conditions to avoid

condensing which will damage components.

Please do not treat the product rudely. Any falling-off, knocking and violate shaking may cause

destruction to circuit and components.

Please do not clean the product with organic solvents or corrodible liquids.

Please do not dismantle or repair the product by yourself. Contact us when the product

malfunctions.

Please do not modify the product by yourself or use fittings unauthorized by us. Otherwise,

the damage caused by that will be on your part and not included in guarantee terms.

Any questions please feel free to contact the sales engineer or Forlinx Technical Service department.

Hardware manual

OK6254-C FET6254-C

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Please note that reproduction of this User Manual in whole or in part, without express written permission from Forlinx, is

not permitted.

Hardware manual

OK6254-C FET6254-C

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Technical Support and Customization

1. Technical Support Range

1.1 Forlinx product related hardware and software source consulting;

1.2 Problems related to our software and hardware manual;

1.3 After-sale technical support for ODM product;

1.4 Forlinx product related trouble shooting, failure diagnose and related maintenance

2. Range of Technical Discussion ( non-compulsory)

2.1 Modification and comprehension of source code;

2.2 How to implant OS;

2.3 Software and hardware problems occured in self-modifying and programming

Note: the above three points are out of Forlinx technical service range, but Forlinx will try best but can

not promise to help users to solve the problems.

3. Accesses to Technical Support

3.1 If you are able to understand Chinese, you can try to all the technical persons directly, the tel. number

(non-instant messenger) is 0086-312-3119192

3.2 Any Forlinx product related questions or help if you need, you can send email to corresponding sales

engineer whom you keep in touch with, the sales engineer will help you to follow up your issue and get

back to you soonest;

3.3 If you are not able to call the technical person and don’t whom you should send email to, then you can

send email to our public email address s[email protected] or [email protected]

4. Access to Materials

Forlinx product related technical files will be uploaded to dropbox, when you get the board, please take

your Dropbox account to create a folder and share it with Forlinx([email protected]), Forlinx will pass

the related technical files to the shared folder.

Hardware manual

OK6254-C FET6254-C

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- 8 -

Chapter 1 Overview of AM62x

The low-cost AM62x Sitara™ MPU family of application processors are built for Linux® application

development. With scalable 64-bit Arm® Cortex®-A53 performance and embedded features, such as:

dual-display support and 3D graphics acceleration, along with an extensive set of peripherals that make

the AM62x device well-suited for a broad range of industrial and automotive applications while offering

intelligent features and optimized power architecture as well.

The 2-port Gigabit Ethernet switch has one internal port and two external ports with Time-Sensitive

Networking (TSN) support. An additional PRU module on the device enables real-time I/O capability for

customer’s own use cases. In addition, the extensive set of peripherals included in AM62x enables

system-level connectivity, such as: USB, MMC/SD, Camera interface, OSPI, CAN-FD and GPMC for

parallel host interface to an external ASIC/FPGA. The AM62x device also supports secure boot for IP

protection with the built-in Hardware Security Module (HSM) and employs advanced power management

support for portable and power-sensitive applications

Some of these applications include:

• Industrial HMI

• EV charging stations

• Touchless building access

• Driver monitoring systems(DMS/ OMS)/ ICM

• Retail automation

• TCU

• 3D Point Cloud

• V2X/ V2V

Hardware manual

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Chapter 2 Introduction of FET6254-C SoM

2.1 FET6254-C Exterior

2.2 FET6254-C Mechanical Dimensions(Top layer+ bottom layer)

Hardware manual

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- 10 -

Dimensions: 60x 38mm, tolerance ±0.15mm

Processing: 1.6mm thickness, 10-layer ENIG PCB

Package: four 80-pin connectors with pitch of 0.5mm, SoM connector model is AXK6F80337YG, and

mating carrier board connector model is AXK5F80537YG, about connector diagram please refer to the

appendix.

The SoM is preserved with four holes with diameter of 2.2mm on its four corners which could be used for

reinforcement purpose in case of vibration circumstances.

Users can take Forlinx designing for reference, use M2, L=2mm mounting nuts as below

2.3 FET6254-C Features

2.3.1 Frequency

Item

Spec.

Note

Minimum

Typical

Maximum

Unit

Arm® Cortex®-53

1400

MHz

Arm® Cortex®-M4F

400

MHz

RTC

32.768

KHz

2.3.2 Power Supply

Item

Pin mark

Spec.

Note

Minimum

Typical

Maximum

Unit

Main power

ACIN

4.5

5.0

5.5

2.3.3 Working Environment

Item

Spec.

Note

Mini

Classic

Max

Unit

Temp width

Working

-40

+85

℃

Industrial grade

Storage

-40

+85

℃

Working

% RH

Non-condensing

Storage

% RH

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