The MYD-YM62X development board is a versatile testing and evaluation platform for TI AM623 and TI AM625 microprocessors which among the TI Sitara AM62x MPU family and feature up to 1.4GHz Quad ARM Cortex-A53 and 400MHz Cortex-M4F cores, dual-display support and 3D GPU (only for AM625) graphics acceleration, along with an extensive set of peripherals.

The MYD-YM62X development board is built around the MYC-YM62X CPU Module and has explored many features of the AM62x SoC through the 1.0 mm pitch 222-pin stamp-hole (Castellated-Hole) expansion interface. It has rich communication interfaces including dual RS485, dual CAN, dual Gigabit Ethernet, dual USB Hos, one OTG, one USB based 5G/4G module interface, one WiFi/BT module and one GPMC external memory bus. It also has advanced multi-media capabilities to support dual LVDS display, audio and camera as well as HDMI display support via a RGB conversion chip. With the excellent performance of AM62x, the MYD-YM62X can be used for various industrial and display applications. The board is preloaded with Linux image and provided with complete development package. The MY-CAM003M MIPI Camera Module and MY-LVDS070C LCD Module can be used as options for the MYD-YM62X board which allows customers to acquire better development experience.
 

MYD-YM62X Development Board (Top-view)

MYD-YM62X Development Board (Bottom-view)

Features

Mechanical Parameters

• Dimensions: 170mm x 125mm (base board), 43mm x 45mm (CPU Module)
• PCB Layers: 6-layer design (base board), 10-layer design (CPU Module)
• Supply voltage: 12V/2A (base board), 5V/1A (CPU Moudule)
• Working temperature: -40~85 Celsius (industrial grade)

The MYD-YM62X Controller Board (MYC-YM62X CPU Module)

MYC-YM62X CPU Module (MYC-YM6231 / MYC-YM6252 / MYC-YM6254)

Processor

• TI AM62x processor (AM6254/AM6252/AM6231)
  - TI AM6254: 4*Cortex-A53@1.4GHz + Cortex-M4F@400MHz (AM6254ATCGGAALW)
  - TI AM6252: 2*Cortex-A53@1.4GHz + Cortex-M4F@400MHz (AM6252ATCGGAALW)
  - TI AM6231: 1*Cortex-A53@1.0GHz + Cortex-M4F@400MHz (AM6231ASGGGAALW)
  - Two PRU-SS running up to 333MHz
  - 3D GPU graphics accelerator (only for AM625 processors)

Memory

• 1GB/2GB DDR4 (supports up to 4GB)
• 8GB eMMC (supports up to 128GB)
• 32KB EEPROM
  

Peripherals and Signals Routed to Pins

• Power Management IC (TPS6521901)
• 1.0mm pitch 222-pin Stamp Hole Expansion Interface
  - 2 x RGMII
  - 2 x USB2.0
  - 9 x UART
  - 3 x CAN FD
  - 6 x I2C
  - 5 x SPI
  - 1 x GPMC
  - 2 x LVDS
  - 1 x RGB
  - 1 x MIPI-CSI
  - 3 x MCASP
  - 1 x JATG
  - Up to 143 x GPIOs

Note: the peripheral signals brought out to the expansion interface are listed in maximum number. Some signals are reused. Please refer to the processor datasheet and CPU Module pin-out description file.

The MYD-YM62X Base Board

• 1 x Power Jack
• 1 x Power Switch
• Serial ports
  - 1 x Debug Interface (3-pin male header, for Cortex-M4F MCU)
  - 1 x USB UART port (for Cortex-A53 MPU)
  - 1 x RS485 serial port (with isolation)
• USB
  - 2 x USB2.0 Host ports
  - 1 x USB2.0 OTG port
  - 1 x M.2 socket for USB based 4G/5G LTE Module
  
• 2 x SIM card slots
• 2 x Gigabit Ethernet interfaces
• 1 x WiFi/Bluetooth Module
• 2 x CAN FD interfaces (with isolation)
• 2 x Boot Switches
• 1 x Dual-channel LVDS display interface (30-pin 2.0mm pitch header connector)
• 2 x Single-channel LVDS display interfaces (40-pin 0.5mm pitch FPC connector)
• 1 x HDMI interface
• 1 x MIPI-CSI Camera Interface (24-pin 0.5mm pitch FPC connector)
• 1 x Audio Input/Output Interface
• 1 X JTAG interface
• 1 x GPMC (30-pin expansion male header)
• 1 x Micro SD card slot
• 3 x Buttons (two for RESET and one for USER)
• 1 x External antenna connector (for 4G LTE module)

OS Support

• Linux 5.10

Hardware Specification

The MYC-YM62X CPU Module on the MYD-YM62X development board is an SoM solution for TI AM623 and AM625 processors which are among the low-cost AM62x Sitara MPU family built for Linux application development. With scalable 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.

Some of these applications include:

• Industrial HMI

• EV charging stations

• Touchless building access

• Driver monitoring systems

The MYC-YM62X CPU Module is using the 13 x 13mm (ALW) package AM62x processors (AM6254ATCGGAALW, AM6252ATCGGAALW and AM6231ASGGGAALW). The 3-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.

Products in the AM62x processor family (13mm x 13mm package size) :

• AM625 – Human-machine Interaction SoC with Arm Cortex-A53 based edge AI and full-HD dual-display

• AM623 – Internet of Thinks (IoT) and Gateway SoC with Arm Cortex-A53 based object and gesture recognition
 

 

AM62x Devices Comparison

AM62x Block Diagram

 

 

MYD-YM62X Function Block Diagram

 

MYD-YM62X Dimensions Chart

Software Features

The MYD-YM62X CPU Module supports Linux OS and comes with complete software package. The kernel and many peripheral drivers are available in source code to assist clients to expedite their development. The following are a summary of the software features:

Item	Feature	Description	Source code
Bootloader	trusted-firmware-a	Fsbl boot start	YES
	U-boot	Second Boot Program uboot_2021.10	YES
Linux kernel	Linux kernel	Based on the official kernel_ 5.10.168 version customization	YES
Device driver	PMIC	TPS6521901driver	YES
	OSPI	OSPI driver	YES
	USB Host	USB Host driver	YES
	USB OTG	USB OTG driver	YES
	I2C	I2C bus driver	YES
	SPI	SPI bus driver	YES
	Ethernet	YT8531SH driver	YES
	SDHI	eMMC/SD card storage driver	YES
	HDMI	SII9022ACNU driver	YES
	LVDS	LVDS driver	YES
	Audio	SGTL5000 audio driver	YES
	4G/5G	4G/5G driver	YES
	PWM	PWM control	YES
	ADC	ADC driver	YES
	RTC	RTC driver	YES
	GPIO	Universal GPIO driver	YES
	UART	RS485/TTL driver	YES
	CAN	CAN driver	YES
	Camera (MIPI)	OV5640 camera driver	YES
	WiFi/BT	FGL297BSRX-00 driver	YES
File system	myir-image-core	Image built in Yocto without GUI interface	YES
	myir-image-full	A fully functional image built with Yocto	YES
Industry DEMO	Application of Charging pile	Refer to the State grid charging pile program to realize the meter Modbus protocol, IEC104 platform communication protocol and charging demonstration interface. Integrate into the MeasyHMI V2.0 version and demonstrate through full image.	YES
	Engineering Machinery Scenarios	Four AHD cameras capture four images and display them on the screen. The Analog instrument information is displayed on the screen, and the video picture and instrument information are displayed on split screens. Integrate into the MeasyHMI V2.0 version and demonstrate through full image.	YES

MYD-YM62X Software Features

 

Relative Download and Links

You can download relative chip datasheet, products datasheet, user manual, software package from below. Detailed technical data available on request.

 

1	TI AM62x Sitara Processors datasheet	5.17 MB
2	MYC-YM62X CPU Module Overview	1.16 MB
3	MYD-YM62X Development Board Overview	1.90 MB
4	MYC-YM62X CPU Module Pin-out Description	170 KB
5	MYD-YM62X Base Board Schematic	944 KB
6	3D STEP file of MYC-JX8MPQ CPU Module