EMTOP SOM-IMX8M-MINI Bedienungsanleitung

SOM-IMX8M-MINI

Contents

SOM-IMX8M-MINI.............................................................................................................................. 1

1. General.................................................................................................................................. 3

2. Features.................................................................................................................................4

2.1 SOM-IMX8M-MINI.....................................................................................................4

2.2 DEV-IMX8M-MINI...................................................................................................... 5

3. Application.............................................................................................................................6

4. Mechanical Dimension........................................................................................................7

5. Electrical Characteristics.................................................................................................... 8

5.1 Working Temperature................................................................................................8

6. Hardware Overview............................................................................................................. 8

6.1 System Components................................................................................................. 8

6.2 Functional Block Diagrams.....................................................................................10

7. Interface Description......................................................................................................... 11

7.1 BTB ON Connector..................................................................................................11

7.2 WiFi/BT Antenna Connector...................................................................................12

8. Pinout Description Table...................................................................................................13

9. Power Supply And System Resets................................................................................. 20

9.1 Power Source...........................................................................................................20

9.2 Power Control and Monitoring...............................................................................20

9.3 System power.......................................................................................................... 20

9.4 Power Consumption Typical Values.....................................................................20

10. System Resets................................................................................................................. 21

10.1 Power-on Reset.....................................................................................................21

10.2 Brown-out Reset....................................................................................................21

10.3 Software Reset...................................................................................................... 21

10.4 External Reset....................................................................................................... 21

11. Boot Mode.........................................................................................................................21

12. Trace impedance recommendations............................................................................22

13. High-speed signal trace length compensation........................................................... 22

14. Circuit Example................................................................................................................24

14.1 Reset In...................................................................................................................24

14.2 Power Key.............................................................................................................. 24

14.3 Boot Mode.............................................................................................................. 24

14.4 Giga Ethernet.........................................................................................................25

14.5 TF Card................................................................................................................... 26

14.6 SOM Power-Up Enable........................................................................................26

14.7 PCIe Clock..............................................................................................................27

1. General

This document describes the hardware architecture of the SOM-IMX8M-MINI Module.

The SOM-IMX8M-MINI System-On-Module (SOM) board is based on NXP’s energy

efficient i.MX 8M Mini series processor. For i.MX 8M Mini series processors which has up to 4

x Cortex-A53 cores capable at running up to 1.8 GHz and one Cortex-M4 core capable at

running up to 400 MHz core for low-power and real-time operation.

On-board up to 2GB DDR4, up to 64GB eMMC and a WiFi / Bluetooth module, and with MIPI

DSI display driver, MIPI CSI camera receiver, flexible audio interfaces and comprehensive

communication features. The SOM-IMX8M-MINI Module is a fully-integrated system that helps

you build your professional embedded systems rapidly.

Support Linux kernel, Yocto Project file-system, Debian and Android run on the Cortex-A core,

and Real-time OS such as UCOS and FreeRTOS run on the Cortex-M core.

Comes with detailed user manual, ready-made system, and friendly technology support. We

are able to provide customize based on this SOM module for various application.

2. Features

2.1 SOM-IMX8M-MINI

Picture2.1 Top side of SOM-IMX8M-MINI

Picture2.2 Bottom side of SOM-IMX8M-MINI

oUp to Quad-core ARM Cortex-A53

o64-bit Armv8-A architecture

oTarget frequency up to 1.8GHz

o2D/3D GC520L

oMedia Processing Engine (MPE) with NEON technology

oFloating Point Unit (FPU) with support of the VFPv4-D16 architecture

oOne Cortex-M4 up to 400MHz

Wi-Fi 1x1 (802.11b/g/n/ac 2.4/5GHz)

Bluetooth 5.0

From 8 to 64GB eMMC

Up to2GB DDR4

64M bit Quad SPI Flash on-board

3*60Pin 0.5mm pitch BTB connectors

Up to 75xGPIO (including SPI,I2C,PWM,UART,SAI, and SDIO)

2.2 DEV-IMX8M-MINI

Picture2.3 DEV-IMX8M-MINI

12V Power IN x 1

USB 2.0 Host x 2

USB OTG x 1

USB 2.0 Host (4 Pin Connector) x 1

UART:

oUART2 (TTL, For Debug)

oUART3 (TTL, For User)

oUART4 (TTL, For User)

I2C x 3

USB Touch x 1

MIPI-CSI x 1

Fan 5V port x 1

MIPI-DSI x 1

Buzzer x 1

SIM Card x 1

TF Card x 1

Mini PCIE Interface x 1, For 4G module and PCIE module

CAN Bus x 1

RS485 Bus x 1

Input Terminal x 2 PIN (With Isolation)

Output Terminal x 2 PIN (With Isolation)

Headphone Output/MIC In x 1

SPDIF Out x 1

1x Gigabit Ethernet on-board

3. Application

HMI

Medical appliances

Industrial automation

Weighing Scales

Smart Toll Systems

Educational Consoles

4. Mechanical Dimension

Size: 50 x 40 x 7.3 mm

PCB Parameter：8 layer design, lead-free soldering process

Weight: 12g

Picture4.1 Mechanical Dimension of Top side

Picture4.2 Mechanical Dimension of Bottom side

5. Electrical Characteristics

5.1 Working Temperature

Table5.1 Working Temperature

Specification

Minimum Operating Temperature

(℃)

Operating Temperature

(℃)

Commercial Grade

Industrial Grade

－40

＋85

Note:

A heat sink may need for some applications

6. Hardware Overview

6.1 System Components

Table6.1 Hardware Overview

Feature

Details

i.MX8M MINI SOC

Arm Cortex-A53 MPCore platform

Quad symmetric Cortex-A53 processors,

including:

•32 KB L1 Instruction Cache

•32 KB L1 Data Cache

•Media Processing Engine (MPE)

•Floating Point Unit (FPU)

Support of 64-bit Armv8-A architecture

•512 KB unified L2 cache

•Target frequency of 1.8GHz

Arm Cortex-M4 core platform

•16 KB L1 Instruction Cache

•16 KB L1 Data Cache

•256 KB TCM

Graphic Processing Unit (GPU)

•GC NanoUltra frequency up to 800 MHz

•OpenGL ES 2.0

•2D GC520L

Video Processing Unit (VPU)

•VP9,VP8,AVC,H.265,H.264 decoder

•VP8, AVC,H.264 encoder

Audio

•S/PDIF Input and Output

•SAI modules supporting I2S,AC97,TDM

On-chip memory

•Boot ROM (256KB)

•On-chip RAM (256KB + 32KB)

Memory and storage

DDR SDRAM

•2GB DDR4 SDRAM (32-bit bus width)

•1200MHz maximum DDR clock

•Interfaces directly to the iMX8M MIPI build-in

DDR controller

eMMC

•8GB NAND eMMC flash memory

•8-bits MMC mode

•Conforms to JEDEC version 5.0 and 5.1

SPI Flash

•64M bit SPI flash memory

•104MHz Single, Dual/Quad SPI clocks

•More than 100,000 erase/program cycles

•More than 20-year data retention

Expandable flash (MicroSD)

•Meets SD/SDIO 3.0 standard Runs at 4-bits

•Supports system boot from SD card

Network & Wireless

Ethernet

•On-board 10/100/1000 Mbps Ethernet PHY

Wi-Fi

AzureWave AW-CM256SM module:

•Wi-Fi 1x1 (802.11a/b/g/n/ac 2.4/5GHz)

•SDIO 3.0

•High speed wireless connection up to

433.3Mbps

Bluetooth

AzureWave AW-CM256SM module:

•Bluetooth 5.0 (supports Bluetooth low-energy)

•High-speed UART

•PCM audio

Hardware Interface

I/O connectivity

•1x single lane PCI Express Gen 2

•2x USB2.0 OTG with integrated PHY

•1x SDIO supporting MMC 5.1, SDIO 3.01

•1x Gigabit Ethernet with integrated PHY

•3x UART

•3x I2C

•2x ESPI

Display Interfaces

• 4-lane MIPI DSI interface

Camera

• 4-lane MIPI CSI interface

6.2 Functional Block Diagrams

The following figure is a functional block diagram of the SOM-IMX8M-MINI:

Picture6.1 Functional Block Diagrams

Picture6.2 i.MX 8M Mini system block diagram

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