CM4-MEDIA EDATEC | Alldatasheet

Document overview

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  • PDF pages: 20

Technical content

Datasheet sections

  • 1 Product Overview
  • 1.1 Target Application
  • 1.2 Specifications and Parameters
  • 1.3 System Diagram
  • 1.4 Functional Layout
  • 1.5 Packing List
  • 1.6 Order Code
  • 2 Product Appearance and Structure
  • 2.1 Product Appearance
  • 2.2 Product Photo
  • 2.3 Dimensions
  • 3 Interfaces and Connectors
  • 3.1 Front Panel
  • 3.1.1 Power Input
  • 3.1.2 HDMI
  • 3.1.3 Micro-HDMI
  • 3.1.4 Micro SD Card
  • 3.1.5 SIM Slot
  • 3.2 Right Panel
  • 3.2.4 Gigabit Ethernet
  • 3.3 Rear Panel
  • 3.3.1 On-board Microphone
  • 3.3.2 Speaker
  • 3.3.3 Camera
  • 3.3.4 Switch Button
  • 3.4 Antenna
  • 3.4.1 WIFI/BT
  • 4 Internal Interface
  • 4.1 Mini PCIe
  • 4.2 RTC
  • 5 Wireless Communication
  • 5.1 WiFi
  • 5.2 Bluetooth
  • 5.3 Antenna
  • 5.3.1 WiFi / BT Antenna
  • 6 Electrical Characteristics
  • 6.1 Electrical Parameters
  • 7 FAQ

EDA Technology Co.,LTD– Electronics Development Accelerator CM4 MEDIA A SMALL MULTIMEDIA D ESKTOP COMPUTER Shanghai EDA Technology Co.,Ltd 2023-01-11

EDA Technology Co.,LTD– Electronics Development Accelerator Copyright Statement ED-CM4MEDIA and its related intellectual property rights are owned by Shanghai EDA Technology Co., Ltd. Shanghai EDA Technology Co., Ltd. owns the copyright of this document and reserves all rights. Without the written permission of Shanghai EDA Technology Co., Ltd, no part of this document may be modified, distributed or copied in any way or form. Disclaimers Shanghai EDA Technology Co., Ltd does not guarantee that the information in this hardware manual is up to date, correct, complete or of high quality. Shanghai EDA Technology Co., Ltd also does not guarantee the further use of this information. If the material or non-material related losses are caused by using or not using the information in this hardware manual, or by using incorrect or incomplete information, as long as it is not proved that it is the intention or negligence of Shanghai EDA Technology Co., Ltd, the liability claim for Shanghai EDA Technology Co., Ltd can be exempted. Shanghai EDA Technology Co., Ltd expressly reserves the right to modify or supplement the contents or part of this hardware manual without special notice.

EDA Technology Co.,LTD– Electronics Development Accelerator Release Note Date Version Description Note 2023-01-11 V1.0 Initial version

EDA Technology Co.,LTD– Electronics Development Accelerator

EDA Technology Co.,LTD– Electronics Development Accelerator

1 Product Overview

ED-CM4MEDIA is a multimedia computer based on Raspberry Pi Compute Module 4 (CM4 for short). It makes full use of CM4' s structural flexibility to solve the heat dissipation problem of CPU, wireless module and PMU, improves the reliability of wireless communication through external WIFI/BT antenna, adds WM8960 chip, supports dual speaker playback, has microphone, 3.5mm headphone jack and is equipped with SONY IMX219 eight-megapixel sensor to meet the daily photo requirements.

1.1 Target Application

 Multimedia entertainment  AI development  Intelligent instrument  Panoramic display  Intelligent life

1.2 Specifications and Parameters

CPU BCM2711 4 core, ARM Cortex-A72(ARM v8), 1.5GHz, 64bit CPU Memory 1GB / 2GB / 4GB / 8GB option eMMC flash 8GB / 16GB / 32GB option SD card 8GB / 16GB / 32GB option SSD 128GB / 256GB option Ethernet 1x Gigabit Ethernet WiFi / Bluetooth 2.4G / 5.8G Dual band WiFi, bluetooth5.0 HDMI 1x standard HDMI Micro-HDMI 1x Micro-HDMI USB Host 2x USB 3.0 Type A, 1x USB 2.0 Mini PCIe 1-lane PCIe 2.0, Highest support 5Gbps（default use SSD） Real time clock 1x RTC Speaker 2x Speaker Microphone 1x Microphone LED indicator Blue LED as power indicator and status indicator. Power input 5V@3A Dimensions 100(length) x 100(wide) x 19(high) mm Case CNC cutting aluminum alloy shell

EDA Technology Co.,LTD– Electronics Development Accelerator Function Parameters Antenna accessory Support optional WiFi/BT external antenna, which has passed wireless authentication together with Raspberry Pi CM4, and optional 4G external antenna. Working environment temperature Run at full speed at 0 ~ 60 ℃ ambient temperature. Operation system compatible with official Raspberry Pi OS, provides BSP software support package, and supports online installation and update of APT.

1.3 System Diagram

EDA Technology Co.,LTD– Electronics Development Accelerator

1.4 Functional Layout

Item Function Description Item Function Description A1 Standard 3.5mm headphone jack A2 RJ45 Gigabit network port A3 USB 3.0 A4 USB 2.0 A5 Micro-SD card slot A6 Micro-HDMI port A7 Standard HDMI port A8 Type-C power port A9 CM4 slot A10 Power button

EDA Technology Co.,LTD– Electronics Development Accelerator Item Function Description Item Function Description B1 Onboard microphone B2 5W speaker B3 5W speaker B4 CR1220 button cell, powered for RTC. B5 Mini PCIe B6 Micro SIM card slot

1.5 Packing List

 1x CM4 Media  1x WIFI/BT antenna  [option] 1x 4G antenna

1.6 Order Code

EDA Technology Co.,LTD– Electronics Development Accelerator

2 Product Appearance and Structure

2.1 Product Appearance

EDA Technology Co.,LTD– Electronics Development Accelerator

2.2 Product Photo

2.3 Dimensions

unit: mm，tolerance：±0.1mm

EDA Technology Co.,LTD– Electronics Development Accelerator

3 Interfaces and Connectors

3.1 Front Panel

3.1.1 Power Input

CM4 Media uses Type-C interface for 5V@3A power input.

3.1.2 HDMI

CM4 Media has a standard HDMI Type A (full-size) interface, which uses CM4 HDMI0 signals and supports HDMI2.1 video output with a maximum resolution of 4Kp60.

EDA Technology Co.,LTD– Electronics Development Accelerator

3.1.3 Micro-HDMI

CM4 Media has a Micro-HDMI interface, which can be connected to the micro-HDMI and connected to the display screen, supporting the use as a dual screen.

3.1.4 Micro SD Card

CM4 Media supports the use of SD card as the main system, and of course it also supports the use of SD card as extended storage. Please note that if you choose to use eMMC, SD card is not supported.

3.1.5 SIM Slot

Below the SD card in the above picture, if you choose to buy a SIM card slot with 4G function, users can choose whether to bring a 4G module. We have configured a Quectel EC20 full netcom 4G module in China, which supports mobile, Unicom and telecom network standards, with optional GPS support. The 4G module is extended by USB 2.0, and supports one Nano-SIM card.

3.2 Right Panel

EDA Technology Co.,LTD– Electronics Development Accelerator 3.2.1 USB 2.0 CM4 Media has a USB 2.0 port. Pin ID Pin Name 1 5V 2 D- 3 D+

4 GND

3.2.2 USB 3.0 CM4 Media has a two USB 3.0 port. Pin ID Pin Name 1 5V 2 D- 3 D+

5 StdA_SSRX-

6 StdA_SSRX+

7 GND_DRAIN

8 StdA_SSTX-

9 StdA_SSTX+

3.2.3 Headset 3.5mm Jack CM4 Media has a 3.5mm standard headphone jack, which supports automatic switching to headphones when plugged in.

3.2.4 Gigabit Ethernet

There is an adaptive 10/100/1000Mbsp Ethernet on CM4 Media, which uses RJ45 interface. It is recommended to use Cat6 (Category 6) network cable to cooperate with it. Pin ID Pin Name

1 TRD0+

2 TRD0-

3 TRD1+

EDA Technology Co.,LTD– Electronics Development Accelerator

4 TRD2+

5 TRD2-

6 TRD1-

7 TRD3+

8 TRD3-

3.3 Rear Panel

3.3.1 On-board Microphone

CM4 Media has an onboard microphone, which can be used as a recording device without headphones inserted.

3.3.2 Speaker

CM4 Media has two speakers for stereo playback.

3.3.3 Camera

CM4 Media has an 8-megapixel Sony camera, which can be used with the built-in libcamera to easily realize functions such as taking photos and recording videos.

3.3.4 Switch Button

CM4 Media has an on-off button. Press the button to turn it on, and long press it to turn it off.

EDA Technology Co.,LTD– Electronics Development Accelerator

3.4 Antenna

3.4.1 WIFI/BT

There is a WIFI antenna interface on the back panel of CM4 Media, which supports 2.4 GHz and 5.0 GHz IEEE 802.11b/G/N/AC dual-band WiFi. We provide a dual-band external antenna, which has passed the wireless authentication together with Raspberry Pi CM4. 3.4.2 4G If CM4 Media with 4G function is selected, the rear panel will have a 4G antenna interface on the left.

4 Internal Interface

4.1 Mini PCIe

EDA Technology Co.,LTD– Electronics Development Accelerator There is a Mini PCIe expansion interface on CM4 Media, which is used to drive SSD hard disk. If users want to use 4G, it can also be used to drive 4G modules: Pin Definition Pin Definition

1 GND 28 NC

3 B1 30 NC

4 GND 31 PCIE_TXN

5 NC 32 NC

6 NC 33 PCIE_TXP

7 PCIE_CLK_nREQ 34 GND

8 USIM_VDD 35 GND

9 GND 36 USB_DM

10 USIM_DATA 37 GND

11 GND 38 USB_DP

12 USIM_CLK 39 3V3

13 PCIE_CLKP 40 GND

14 USIM_RST 41 3V3

15 GND 42 LED_WWAN

16 NC 43 GND

17 NC 44 NC

18 GND 45 NC

19 NC 46 NC

20 NC 47 NC

21 GND 48 NC

22 GPIO10/PCIE_nRST 49 NC

EDA Technology Co.,LTD– Electronics Development Accelerator

23 PCIE_RXN 50 GND

25 PCIE_RXP 52 3V3

26 GND 53 GND

27 GND 54 GND

4.2 RTC

CM4 Media is integrated with RTC. For the version sold in China, we will install CR1220 button cell (RTC backup power supply) by default when shipping. In this way, the system can be guaranteed to have an uninterrupted and reliable clock, which is not affected by factors such as equipment power down. RTC clock chip is mounted on i2c-0 bus, and the device address is 0x51.

5 Wireless Communication

5.1 WiFi

Customers can purchase CM4 Media with WiFi version, which supports 2.4 GHz and 5.0 GHz IEEE 802.11b/G/N/AC dual-band WiFi. 2.4G band parameter Feature frequency range 802.11b/g/n(HT20): 2412-2472MHz 802.11n(HT40): 2422-2462MHz modulation system 802.11b:DSSS 802.11g/n:OFDM Frequency Step 5M 5G band parameter Feature frequency range 802.11a/n/ac: 5150-5350MHz 5470-5725MHz 5725-5850MHz modulation system BPSK

EDA Technology Co.,LTD– Electronics Development Accelerator Frequency step 5M

5.2 Bluetooth

CM4 media support bluetooth 5.0。 parameter Feature frequency range 2402-2480MHz modulation system GFSK,DPSK Frequency step 2M

5.3 Antenna

5.3.1 WiFi / BT Antenna

Antenna type External antenna frequency band 2400-2500MHz, 5150-5850 MHz antenna gain 2 dBi impedance 50 OHM

6 Electrical Characteristics

6.1 Electrical Parameters

Parameters Minimum Typical Max Unit System power input 5 V Working temperature 0 25 60 ℃ Storage temperature 0 25 60 ℃ Working environment humidity 20 90 %

7 FAQ

EDA Technology Co.,LTD– Electronics Development Accelerator

7.1 Username and Password

User name：pi password：raspberry Root user does not have a password, so users need to set their own passwords.

8 Product Change Record

9 About us

9.1 About EDATEC

EDATEC, located in Shanghai, is one of Raspberry Pi's global design partners. Our vision is to provide hardware solutions for Internet of Things, industrial control, automation, green energy and artificial intelligence based on Raspberry Pi technology platform. We provide standard hardware solutions, customized design and manufacturing services to speed up the development and time to market of electronic products.

9.2 Contact us

Mail – sales@edatec.cn / support@edatec.cn Phone – +86-18621560183 Website – https://www.edatec.cn Address – Room 301, Building 24, No.1661 Jialuo Highway, Jiading District, Shanghai