Small-size i.MX 91 System on Module/Computer on Module – a versatile, cost-sensitive solution.
The DART-MX91 features an energy-efficient architecture, robust security, industrial-grade temperature support, and a wide range of high-speed connectivity options—all within Variscite’s compact 55x30mm DART SoM footprint. Powered by the 1.4GHz Cortex™-A55 NXP i.MX 91 processor, the DART-MX91 is equipped with dual CAN-FD, dual GbE, dual USB, certified Wi-Fi6 802.11 ax/ac/a/b/g/n, with BT/BLE 5.4 and optional 802.15.4.
The DART-MX91 is compatible with Variscite’s DART Pin2Pin family, ensuring seamless scalability and an easy migration path to meet diverse performance and feature requirements—from entry-level platforms to high-performance solutions.
For the complete Pin2Pin product list, check out Variscite’s Pin2Pin System on Module product families.
* The Pin2Pin compatibility depends on pinmux options; please verify the detailed pinout table in the related SoM to confirm compatibility is maintained in your specific design.
** Variscite’s i.MX 91 System on Module (SoM) is in development at this stage. The information on this page is subject to change without notice. For additional information contact us.
CPU | Up to 1.4GHz Single Cortex-A55 NXP i.MX91 |
High Speed Interfaces | 2x USB2.0, 2x GbE |
Dimensions | Only 55 x 30 mm |
Certified WiFi/BT | Wi-Fi 6 802.11 ax/ac/a/b/g/n with optional 802.15.4 and BT/BLE 5.4 |
Temperature range | -40 to 85°C |
Product Longevity | 2039 |
Pin2pin Family |
CPU Name | NXP i.MX 91 |
CPU Type | Cortex™-A55 |
CPU Cores | 1 core |
CPU Clock (Max) | Up to 1.4GHz |
RAM | 512MB – 2GB LPDDR4 |
eMMC | 8 – 128 GB |
Multimedia | |
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Camera Interfaces | 8bit Parallel |
Display | |
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Parallel RGB | 1366x768p60 or 1280x800p60 |
Touch controller | Capacitive |
Audio | |
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Headphone driver | Yes |
Microphone | Digital, Analog (stereo) |
Digital audio serial interface | 3 x I2S(SAI),S/PDIF,RX TX, PDM 4CH |
Line In/Out | Yes |
Connectivity | |
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SD / MMC | x2 |
UART | x8, up to 5 Mbps |
I2C | x7 |
I3C | x2 |
SPI | x7 |
CAN Bus | x2 |
RTC | On carrier |
JTAG | x1 |
ADC | x4 |
Networking | |
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Ethernet | 2x 10/100/1000 Mbps |
Wi-Fi | Certified Wi-Fi 6 dual-band 802.11ax/ac/a/b/g/n with optional 802.15.4 |
Bluetooth | BT/BLE5.4 |
Linux | Yocto, Debian |
Mechanical Specifications | |
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Dimensions (W x L) | 55 x 30mm |
Electronic Specifications | |
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Supply voltage | 3.3V or 3.4-5V |
Digital I/O voltage | 3.3V/1.8V |
Environmental Specifications | |
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Commercial operating temperature | 0 to 70°C |
Extended operating temperature | -25 to 85°C |
Industrial operating temperature | -40 to 85°C |
Storage temperature | -40 to 85°C |
Storage humidity | 5% to 95% |
DART-MX91[x]_[xxxx]C_[xxxx]R_[xx]G_[AC]_[EC]_[WBD/WBE]_[SDEX]_[X]T | |
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MX91[x]: | Processor type: |
[xxxx]C: | CPU clock speed: 1400MHz: 1400C |
[xxxx]R: | LP-DDR4: 512 MB: 512R, 1536 MB: 1536R, 2048 MB: 2048R |
[xx]G: | eMMC: 8 GB : 8G, 16 GB : 16G, 32 GB : 32G, 64 GB : 64G |
[AC]: | Audio Codec |
[EC]: | GbE PHY (second port always via RGMII) |
[WBD/WBE] | WBD: Built-in certified single band Wi-Fi 802.11 ax/ac/a/b/g/n + BT/BLE 5.4 |
[SDEX] | Default: no extra SDIO |
[x]T: | C : 0 to 70°C, E: -25 to 85°C, I : -40 to 85°C |
Note: All options in [brackets] are optional add-ons that can be either removed or selected from a list of options |
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