Quick View of DSOM-090M-J
The DSOM-090M-J is well-suited for tasks such as internet service routers, wireless routers, home security gateways, NAS services, and switch control processors.
Its robust hardware and advanced features make it an excellent choice for developers and system integrators looking to build high-performance, reliable, and secure network solutions.
The main difference between the DSOM-090M-I and DSOM-090M-J lies in the storage capacity of the eMMC (embedded MultiMediaCard) used. The DSOM-090M-I is equipped with a 4GB eMMC, while the DSOM-090M-J features an 8GB eMMC. This difference in storage capacity allows developers using the DSOM-090M-J to have more space for storing data, applications, and firmware, enabling them to handle larger and more complex networking and security tasks. The 8GB eMMC provides increased flexibility and scalability for developers working on projects that require higher storage requirements.
Consider the performance requirements of the application. If the application involves heavy data processing or requires frequent read/write operations to the eMMC storage, the DSOM-090M-J with an 8GB eMMC might offer better performance due to its larger storage capacity. However, if the application has minimal storage requirements and does not heavily rely on eMMC storage, the performance difference between the two options may be negligible.
Main chip block diagram of DSOM-090M-J MediaTek MT7621 SOM
Product Dimensions of DSOM-090M-J MediaTek MT7621 SOM
Parameters and Interfaces of DSOM-090M-J MediaTek MT7621 SOM
| CPU | MIPS 1004Kc(800MHz), I-Cache, D-Cache 32KB, 32KB, L2 Cache 256KB |
| RAM | DDR3L 512MB |
| Memory | eMMC 8GB |
| Wireless Standard | IEEE 802.11 a/b/g/n/ac |
| Operating Frequency | 2.4 GHz ~ 2.4835 GHz or 5.18GHz ~ 5.825GHz |
| Modulation | IEEE 802.11b： CCK， DQPSK， DBPSK 80211g/a: 64-QAM,16-QAM, QPSK, BPSK 802.11n: 64-QAM,16-QAM, QPSK, BPSK 802.11ac: 256-QAM,64-QAM,16-QAM, QPSK, BPSK |
| Wireless Transmit Rate | 802.11b: 1,2,5.5,11Mbps 802.11g: 6, 9, 12, 18, 24, 36, 48, 54Mbps 802.11n: MCS0~7, HT20 reach up to 72.2Mbps, HT40 reaches up to 150Mbps, HT40 reach up to 300Mbps (2T2R) 802.11ac: VHT20 reach up to 173.3Mbps, VHT40 reach up to 400Mbps VHT80 reaches up to 866.7Mbps |
| Wireless Encryption | WEP/ TKIP/ WPA/ WPA2 |
| Operation Voltage | DC12V/1.5 ( Recommend) |
| OS | OpenWRT |
| Temperature | Operating Temperature: 0° C ~85 °C |
| Storage Temperature: -40 °C ~85 °C | |
| Humidity | 10~90%(Non-condensing) |
| Barometric Pressure | 76Kpa ~ 106Kpa |
| Size | 38mm × 38mm |
| PCB Dimension | 65mm x 69mm x 2.5mm |
System on Module Application
Developer Resources of DSOM-090M-J
| Coreboard Development | ||
|---|---|---|
| [Software Quickstart] | DSOM-090M SDK Quick Start Guide V1.1.pdf | V1.1 |
| [Hardware Quickstart] | DSOM-090M MT7621 Key Components of Core Board Manual | |
| [SDK] | openwrt_MT7621.tar.gz | |
| [Firmware] | DSOM-090M_img-MT7621_AV1.0.0.bin | V1.0.0 |
| Carrier Board Development | ||
|---|---|---|
| [Carrier Board Datasheet] | DSOM-090M MT7621 Key Components of Development Board Manual | |
| [Carrier Board Schematic] | DSOM-090M MT7621 Carrier Board Schematic | |
| [Hardware Developmemt Guide] | DSOM-090M MTK7621 Development Board Hardware Manual V1.1 | |
| Tools | ||
|---|---|---|
| [Flash Tool] | tftp_server.rar | |
Model List
| Product Model | RAM | eMMC |
|---|---|---|
| DSOM-090M-J | 512 MB | 8 GB |
