NXP Semiconductors MCIMX6U1AVM08AC

Overview

MCIMX6U1AVM08AC from NXP Semiconductors is an automotive-grade i.MX 6DualLite applications processor featuring dual Arm® Cortex®-A9 cores operating at 800 MHz, 512 KB shared L2 cache, integrated MLB interface, no GPU or VPU, and MAPBGA-21x21 mm (0.8 mm pitch) packaging. It targets infotainment head units requiring deterministic real-time audio routing and MOST network integration.

For engineers reviewing the MCIMX6U1AVM08AC datasheet, MCIMX6U1AVM08AC pinout, MCIMX6U1AVM08AC application, or MCIMX6U1AVM08AC equivalent, key selection criteria include MLB150/50 support, dual CAN 2.0B compliance, ESAI audio interface capability, ASRC-based multi-source sample rate conversion, and automotive temperature range (-40°C to +125°C).

Technical Context

The MCIMX6U1AVM08AC implements a symmetric dual-core Arm Cortex-A9 MPCore platform with TrustZone security, where each core includes 32 KB L1 instruction and data caches, private timers, and watchdogs. The SCU enables cache coherency, and the 512 KB unified L2 cache is shared between both cores.

Its system-level architecture integrates dedicated multimedia accelerators including ASRC for concurrent 10-channel asynchronous sample rate conversion, ESAI supporting up to 260 kHz stereo I2S, and MLB controller for MOST25/50/150 networks with optional DTCP cipher acceleration - all without GPU or VPU hardware blocks.

Key Specifications

Pinout & Package

MCIMX6U1AVM08AC uses a 484-ball MAPBGA package (21 mm × 21 mm, 0.8 mm pitch), with ball assignments defined in Section 6.2 of IMX6SDLAEC Rev. 9. Pin functions follow standardized i.MX 6 signal naming per EB792 mapping document.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar automotive infotainment processor applications.

Compared with MCIMX6U1AVM08AC, MCIMX6U4AVM08AC adds GPU resources for richer UIs but increases power and BOM cost; MCIMX6S1AVM08AC reduces compute capacity and cache size while retaining identical automotive interface sets - making it viable only for strictly bounded workloads.

Availability

MCIMX6U1AVM08AC is available at Aetrix Electronics and suitable for automotive infotainment head units, digital instrument clusters, telematics control units, and audio domain controllers requiring stable component supply across extended product lifecycles.

Supply support for MCIMX6U1AVM08AC includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT applications.

The i.MX 6DualLite family, including MCIMX6U1AVM08AC, was designed specifically for cost-optimized automotive infotainment and HMI systems requiring robust networking (MLB/CAN), deterministic audio processing (ESAI/ASRC), and functional safety-aware architecture.

FAQ

What is the maximum operating frequency of the MCIMX6U1AVM08AC and how does USB clocking affect it?

The MCIMX6U1AVM08AC is rated for 800 MHz operation. When a 24 MHz crystal is used for USB functionality - which is mandatory for OTG and host ports - the maximum achievable SoC frequency is limited to 792 MHz due to internal PLL constraints documented in IMX6SDLAEC Rev. 9, Table 1 footnote. This derating ensures stable USB 2.0 high-speed signaling while maintaining core timing margins. MCIMX6U1AVM08AC maintains full functionality at 792 MHz, including all MLB, CAN, and ESAI peripherals.

Does the MCIMX6U1AVM08AC support hardware-accelerated video decoding or 3D graphics rendering?

No, the MCIMX6U1AVM08AC does not include VPU or GPU hardware blocks. Per Table 1 in IMX6SDLAEC Rev. 9, its part number suffix "1" indicates configuration with MLB only - excluding Video Processing Unit (VPU), 3D Graphics Processor (GPU3Dv5), and 2D Graphics Processor (GPU2Dv2). All video and graphics processing must be handled in software on the dual Cortex-A9 cores, limiting throughput for HD video playback or complex UI rendering. For hardware-accelerated video, consider MCIMX6U6AVM08AC instead.

How many independent audio sample rate domains does the ASRC in MCIMX6U1AVM08AC support?

The ASRC block in MCIMX6U1AVM08AC supports up to 10 concurrent channels of asynchronous sample rate conversion, organized into three independent sampling rate pairs (Section 3.1 of IMX6SDLAEC Rev. 9). Each pair defines distinct input and output clock domains, enabling simultaneous resampling of navigation voice (16 kHz), Bluetooth A2DP (44.1 kHz), and FM radio (48 kHz) streams without CPU intervention. This capability is fully retained in MCIMX6U1AVM08AC despite absence of GPU/VPU.

What automotive network interfaces are integrated into the MCIMX6U1AVM08AC?

The MCIMX6U1AVM08AC integrates two FlexCAN 2.0B controllers (each supporting 1 Mbps), one MLB150/50 controller for MOST network attachment, and an ESAI interface compliant with automotive audio standards. These interfaces enable direct connection to powertrain CAN buses, body control modules, MOST-based amplifier networks, and multi-channel audio codecs - eliminating need for external protocol translators. No Ethernet AVB or LIN controllers are included in this variant.

Is the MCIMX6U1AVM08AC qualified to AEC-Q100 and what grade does it meet?

Yes, the MCIMX6U1AVM08AC is qualified to AEC-Q100 Rev. G with Grade 2 rating, supporting operation from -40°C to +125°C junction temperature. This qualification is confirmed by its "A" temperature grade designation in the part number nomenclature (Figure 1, IMX6SDLAEC Rev. 9) and explicit coverage in the i.MX 6Solo/6DualLite Automotive and Infotainment Applications Processors data sheet (IMX6SDLAEC). It meets automotive reliability requirements for under-hood and dashboard-mounted applications.