System Introduction; System Block Diagram; System Overview - AXIOMTEK SCM186 User Manual

SCM186 NXP i.MX 8M Plus ARM-based Evaluation Kit
3.2

System Introduction

The SCM186 with SCB184 is designed as an evaluation kit, the SCM186 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 Herodotus 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 Herodotus is comprised by several major components, supported function is listed as below
for V2.0.0:
⚫ There are two display interfaces for Herodotus, 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.
(SCM186 switch setting as "Boot from SD Card" mode is required.)
⚫ Single 1 Gbit Ethernet LAN for networking.
⚫ Dual serial ports support RS232 & RS232/485.
⚫ 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
Herodotus BSP User Guide
Ethernet
CAN
SPI