System Introduction; System Block Diagram; System Overview - AXIOMTEK SCM188 User Manual

SCM188 NXP i.MX 8M Plus ARM-based SMARC Module
3.2

System Introduction

The SCM188 with SCB184 is designed as an evaluation kit, the SCM188 stands for a SoM, i.e.,
the system-on-module by SMARC spec., and the SCB184 stands for the part of carrier. We will
note the set of evaluation kit as SCM188 with SCB184 for later sections.
3.2.1

System Block Diagram

We list the functional components for the evaluation kit as following diagram.
HDMI
Audio Codec
LVDS-10"
LCD
USB/OS
Flash

3.2.2 System Overview

The SCM188 with SCB184 is comprised by several major components, supported function is
listed as below for V2.0.0:
⚫ There are two display interfaces for SCM188 with SCB184, the LVDS and HDMI, the
HDMI display interface is set as default in evaluation kit, and the HDMI requires USB
keyboard and mouse for the purpose of HMI. (The LVDS interface is blocked in this BSP
version.)
⚫ Micro SD card is not only for the purpose of storage, but also can be the boot device.
(SCM188 switch setting as "Boot from SD Card" mode is required.)
⚫ Dual 1 Gbit Ethernet LAN for networking.
⚫ Dual serial ports support RS232 & RS232/485 and RTS/CTS.
⚫
Quad USB support USB 3.2 Gen1 interface and Dual USB support USB 2.0 interface
with USB connector.
⚫ 10 external GPIO for user usage.
⚫ An audio codec is designed for active speaker and mic in.
⚫ CANBus support standard broadcast communication mechanism protocol.
⚫ PCIe x4 is used for PCIe devices.
⚫
M.2 5G module & SIM will support mobile network.
⚫ QSPI/ECSPI are supported by external connector.
16
CPU/SoC
Micro SD
M.2-5G/SIM
Serial Port
PCIe
SCM188 BSP User Guide
Ethernet
CAN
SPI