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Variscite unveils two i.MX8 QuadMax modules

Feb 22, 2019 — by Eric Brown — 406 views

Variscite announced Linux-powered “VAR-SOM-MX8” and “SPEAR-MX8” modules with an up to an i.MX8 QuadMax SoC plus up to 8GB LPDDR4 and 64GB eMMC. It also previewed a VAR-SOM-6UL COM.

At Embedded World next week in Nuremberg, Germany, Variscite will showcase its Linux and Android driven i.MX8-family computer-on-modules, including new VAR-SOM-MX8 and SPEAR-MX8 modules that feature NXP’s highest-end i.MX8 SoC up to a QuadMax model (see farther below). We have already covered most of the other showcased products, including the 14nm fabricated, quad -A53 i.MX8M Mini based DART-MX8M-Mini. When we covered the DART-MX8M-Mini in September, Variscite didn’t have an image or product page, but both are now available here



VAR-SOM-MX8 (left) and previously announced DART-MX8M-Mini
(click images to enlarge)

Other showcased COMs that we covered in recent months include the quad -A35 i.MX8X based VAR-SOM-MX8X and the quad -A53 i.MX8M based DART-MX8M. Variscite also announced a VAR-SOM-6UL module with support for the i.MX6 UL (UltraLite), ULL, and most recent ULZ low-power IoT SoCs. The board has yet to be fully documented, but we’ve listed what’s available farther below.


Variscite’s VAR-SOM and DART families
(click image to enlarge)

 
VAR-SOM-MX8

Due to ship with the similar, but more advanced, SPEAR-MX8 (see farther below) in the second quarter, the 67.6 x 51.6mm VAR-SOM-MX8 is pin-to-pin compatible with other VAR-SOM modules, including the new wireless-enabled version of the circa-2014 VAR-SOM-MX6.

The VAR-SOM-MX8 ships with the high-end i.MX8 QuadMax or the mid-range QuadPlus models. The i.MX8 QuadMax features 2x Cortex-A72 cores, 4x Cortex-A53 cores, 2x Vivante GC7000XSVX GPUs, and 2x Cortex-M4F real-time cores. The QuadPlus is identical except that it only has one Cortex-A72 core.



VAR-SOM-MX8 rear view and block diagram
(click images to enlarge)

Other i.MX8 modules that support both the QuadMax and QuadPlus include Congatec’s Conga-SMX8 SMARC module, which also offers the DualMax variant. The others focus on the QuadMax, including the Toradex Apalis iMX and iWave iW-RainboW-G27M.

The VAR-SOM-MX8 runs Yocto Project based Linux (Sumo release) or Android 9.0 “Pie,” both with Linux kernel 4.14.78. The module ships with 2GB to 8GB LPDDR4 and 4GB to 64GB eMMC. It supports 2x GbE ports and offers a wireless module with certified 802.11ac and Bluetooth 4.2 BLE.

Media I/O includes HDMI v2.0a, eDP 1.4, and DP 1.3, all with resolution up to 4Kp60. There are also MIPI-DSI and dual-channel LVDS connections for up to 1920 x 1080 pixels with resistive or capacitive touch support. For audio, you get analog I/O, a headphone driver, digital and analog stereo mic support, and I2S/SAI digital audio.

The module supports USB 3.0 OTG and USB 2.0 host ports, as well as 5x UART, 4x I2C, 4x SPI, and 2x CAN/CAN-FD (FlexibleData-Rate). Other I/O includes PCIe Gen 3.0, SD/MMC, and optional JTAG. The 3.3V module supports 0 to 70°C, -20 to 85°C, and -40 to 85°C temperature ranges. There’s a product longevity guarantee through 2033.

 
SPEAR-MX8

The SPEAR-MX8 is only slightly larger than the VAR-SOM-MX8, at 68 x 55mm, but it packs in a lot more features. On the other hand, it lacks the pin-to-pin compatibility with other VAR-SOM models. The module offers only the high-end i.MX8 QuadMax.



SPEAR-MX8 and block diagram
(click images to enlarge)

The SPEAR-MX8 appears to have all the features of the VAR-SOM-MX8 with several key additions. These include support for SATA III storage, an HDMI 1.4 input, and dual MIPI-CSI2 camera links. It adds a third USB connection, which is variably listed as a second USB 3.0 and a second USB 2.0 OTG. You also get a second PCIe link and a third CAN port. The module has a heftier 3.4-4.5V DC input.

 
VAR-SOM-6UL

Variscite did not have much to say about the upcoming VAR-SOM-6UL module, which like the smaller, 50 x 25mm DART-6UL, uses a slightly stripped down i.MX6 ULZ SoC in addition to the UL and ULL models. All these single Cortex-A7 SoCs, which are here clocked to 900MHz, are notable for their low power consumption.



VAR-SOM-6UL

The VAR-SOM-6UL will ship with certified dual-band WiFi 802.11ac, Bluetooth/BLE, and support for dual Ethernet ports, dual USB ports, and serial interfaces. Media interfaces include 24-bit Parallel LCD, 18-bit LVDS up to WXGA, audio I/O, and a camera input.

 
Further information

The VAR-SOM-MX8 and SPEAR-MX8 modules are available in eval kits for “early partners” and will launch in Q2. There’s no ship date for the VAR-SOM-6UL, which is now open for pre-orders for eval kits and samples.

More information may be found in Variscite’s i.MX Embedded World announcement, as well as the VAR-SOM-MX8 product page and wiki and the SPEAR-MX8 product page.

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