Arbor’s “EmQ-RK390” Qseven module runs Linux or Android on a Rockchip RK3399 with up to 4GB of soldered RAM and 16GB soldered eMMC, plus PCIe and GbE support and an extended temperature range.
In January, Arbor Technology announced that it would show a Rockchip RK3399 “EmQ-RK390” Qseven 2.1 module at the Embedded World show in late February. We never saw a follow-up announcement or product page, but a datasheet has been posted. The module runs Ubuntu, Buildroot, or Android 8.1 on the hexa-core RK3399.
Earlier Arbor Qseven modules have included the Intel Apollo Lake based EmQ-i2401. We’ve seen only a handful of RK3399-based COMs of any kind. One of them is Theobroma’s Qseven form-factor RK3399-Q7.
EmQ-RK390 (left) and block diagram
(click images to enlarge)
The RK3399, which has dominated high-end community backed Arm SBCs over the last two years, features dual Cortex-A72 cores at up to 2.0GHz and a quad-core bank of Cortex-A53 cores at up to 1.42GHz. There’s also a high-end, quad-core Mali-T864 GPU.
The 70 x 70mm EmQ-RK390 supports -20 to 70°C temperatures and ships with 2GB or 4GB of soldered LPDDR3 and 16GB soldered eMMC. There’s no on-board wireless, but you get a USB-based Realtek RTL8153B GbE controller and a PCIe x4 interface to connect you to the Internet on a carrier board or end product.
EmQ-RK390 media interfaces include dual-channel, 24-bit LVDS and HDMI — probably the 4K-ready 2.0 model supported by the RK3399. You also get 2x MIPI-CSI (4- and 2-lane) and an I2S audio interface.
The EmQ-RK390 supports 4x USB 2.0, 5x UART, and a single USB 3.0 port. The module also provides 8-bit GPIO, SDIO, and I2C interfaces.
The 5V EmQ-RK390 module provides humidity resistance, as well as an optional heatspreader, heatsink, and cable kit. An EPIC form-factor carrier board is said to be available, but there were no further details.
No pricing or availability information was provided for the EmQ-RK390, and at publication time there was still no product page listed on Arbor’s computer-on-module page. More information may be found on Arbor’s EmQ-RK390 datasheet (PDF).
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