Documents Download

ED-HMI2120-070C Datasheet Download

ED-HMI2120-070C User Manual Download

ED-HMI2120-070C Installing OS Download

Optimization for white screen problem on 7-inch ED-HMI series

ED-HMI2120-101C Datasheet Download

ED-HMI2120-101C User Manual Download

ED-HMI2120-101C Installing OS Download

How to enable safty power off by on-board SuperCAP module

CE Certification Download

FCC Certification Download

Appications

Custom Design

Specifications

System
CPU	Broadcom BCM2711, quad core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz
VPU	H.265(HEVC), up to 4Kp60 decode H.264, up to 1080p60 decode, 1080p30 encode)
GPU	OpenGL ES 3.1 & Vulkan 1.0
Memory	Options for 1GB, 2GB, 4GB, 8GB LPDDR4-3200 SDRAM
Storage	- Options for 8GB, 16GB, 32GB eMMC storage - Micro SD card (user storage expansion) - M.2 NVMe SSD (optional)

Software
Operating System	- Raspberry Pi OS(Desktop) 32-bit - Raspberry Pi OS(Lite) 32-bit - Raspberry Pi OS(Desktop) 64-bit - Raspberry Pi OS(Lite) 64-bit

Front I/O
Camera	BBuilt-in 8-megapixel front camera(optional)

Side I/O
Power	1 x DC IN, 2-Pin 3.5mm spacing phoenix terminals with screw holes. It supports 9V~36V input, the signal is defined as VIN+/GND.
Audio	1 x Audio In/Stereo Out, 3.5mm audio jack connector. It can be used as MIC IN and LNE OUT. - When a headphone is connected, the audio output switches to the headphone. - When no headphone is connected, the audio output switches to the speaker.
RS485	2 x RS485, 6-Pin 3.5mm spacing phoenix terminals with IO isolator, equippes with electrostatic and surge protection, the single signal is defined as IGND/A/B.
RS232	2 x RS232, 6-Pin 3.5mm spacing phoenix terminals with IO isolator, equippes with electrostatic and surge protection, the single signal is defined as IGND/TX/RX.
1000M Ethernet	1 x adaptive 10/100/1000M ethernet port, RJ45 connector. It can be used to access the network. PoE can be supported through expansion module.
100M Ethernet	1 x adaptive 10/100M ethernet port, RJ45 connector. It can be used to access the network.
SD Card Slot	1 x Micro-SD card slot, uses to install SD card for storing user data.
SIM Card Slot	1 x Nano SIM card slot, uses to install SIM card for getting 4G signal.
Micro USB	1 x Micro USB port, supports to flash eMMC for the system.
HDMI	1 x HDMI port, type A connector. It compatibles with HDMI2.1 standard and supports 4K 60Hz.
USB 2.0	2 x USB2.0 ports, type A connector, support up to 480Mbps.
Antenna	2 x SMA ports, use to connect 4G antenna and Wi-Fi/BT antenna.
Speaker	1 x PA output, dual channel stereo audio output, built-in two 4Ω 3W speakers.

Buttons and Indicators
Reset	1 x Reset button, which can reset the device.
PWR	1 x red power indicator, uses to check the status of device power-on and power-off.
4G	1 x green 4G indicator, uses to check the status of 4G singal.
ACT	1 x green system indicator, uses to check the working status of device.
USER	1 x green user indicator, user can customize a status according to actual application.
COM1~COM4	4 x green UART indicators, uses to check the communication status of UART port.

Expansion Performance
EEPROM	Supports 4K byte storage and improves the ease of use of device.
Crypto Authentication	It can be matched to realize the required upper layer application and improves the security of device.
RTC	RTC with CR1220 battery backup, which can ensure that the system clock is not affected by device power-off. Note: A CR1220 battery is provided by default in China.
Buzzer	A tip or an abnormity can be configurated according to actual application, which realizes the alarm function.
Watch Dog	Realize the hardware Watch Dog based on the RTC alarm function to ensure the reliability of device.

Expansion I/O
12V 1A	3 x DC OUT, 2-Pin 2.0mm spacing connector, support 12V 1A output. These pins are defined as GND/12V, reserve to provide power supply for extended LCD.
40-pin GPIO	1 x GPIO, 2x20-Pin 2.54mm pitch header, uses to lead out the GPIO ports of CM4. - These pins are defined as GPIO1~GPIO27/3V3/5V2/GND. - Compatibles with expansion modules, and reserves to connect expansion accessories.
10-pin GPIO	1 x GPIO Pin Header, 2x5-pin 2.54mm pitch header, uses to lead out the expansion GPIO ports. User can customize the function according to actual application, these pins are defined as 8xGPIO/3V3/GND.
HDMI	1 x FPC HDMI, 40-pin 0.5mm spacing FPC connector, which can be reserved to connect extended LCD, supports USB/I2C touch screen and backlight adjustment.
USB	1 x USB 2.0, 5-Pin 1.5mm spacing WTB connector, supporting to expand the USB 2.0 port.
M.2 B	1 x M.2 B, M.2 B Key connector, supporting to connect SSD. It is compatible with M.2 2230 and M.2 2242.

Touch Screen
Type	Multi-point Capacitive Touch Screen
Transmittance	≥85％
Connection Method	COF
Controller Interface	I2C
Driver Support	Linux
Multi-touch	10 points
Surface Hardness	6H

Electrical Characteristics
Input Voltage	9V ~ 36V DC
Maximum Power Consumption	25W

Mechanical Characteristics
	ED-HMI2120-070C	ED-HMI2120-101C
Dimensions	188mm x 123mm x 43.5mm (WxDxH, antenna is not included.)	258mm x 172mm x 42mm (WxDxH, antenna is not included.)
Weight	1Kg	1.2Kg
Installation	Embedded front installation	Embedded front installation

Wireless
Wi-Fi (optional)	2.4GHz and 5GHz dual-band Wi-Fi with antenna. - 2.4GHz Wi-Fi: Compatible with IEEE 802.11 b/g/n - 5GHz Wi-Fi: Compatible with IEEE 802.11 a/n/ac
Bluetooth  (optional)	Bluetooth 5.0 with antenna, compatible with 2402MHz ~ 2480MHz frequency
4G (optional)	Connect with various 4G LTE modules through the Mini PCIe interface. EC20-CN Module (China/India) LTE FDD: B1/B3 LTE TDD: B38/B39/B40/B41 TDSCDMA: B34/B39 WCDMA: B1 CDMA 1x/EVDO: BC0 GSM: 900/1800MH   EC25-AFX Module (North America) LTE-FDD:B2/B4/B5/B12/B13/B14/B66/B71 LTE-TDD WCDMA: B2/B4/B5 GSM/EDGE EC25-AUX Module (Latin America/Australia/New Zealand) LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B28 LTE-TDD: B40 WCDMA: B1/B2/B4/B5/B8 GSM/EDGE: B2/B3/B5/B8 EC25-EUX Module (Europe/Middle East/Africa/Thailand) LTE-FDD: B1/B3/B7/B8/B20/B28A LTE-TDD: B38/B40/B41 WCDMA: B1/B8 GSM/EDGE: B3/B8

Environmental & Regulatory
Operating Temperature	-20°C ~ 60°C
Storage Temperature	-25°C ~ 60°C
Ambient Humidity	5% ~ 95%(non-condensing)
Certifications	FCC FCC 47 CFR Part 15 Subpart B CE EN IEC 62368-1/EN IEC 62311/EN IEC 61000-3-2/EN IEC 61000-3-3 EN 55032/EN 55035/ EN 301 489-1/EN 301 489-3/EN 301 489-17/EN 301 489-52 EN 301 328/EN 301 440/EN 301 511/EN 301 908-1/EN 301 908-2

System Block Diagram

Dimension Unit:mm

ED-HMI2120-070C

ED-HMI2120-101C

Order Information