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NXP Semiconductors MCIMX6U4AVM08ACR
- Part No.:
- MCIMX6U4AVM08ACR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 624-LFBGA
- Datasheet:
-
MCIMX6U4AVM08ACR.pdf
- Description:
- IC MPU I.MX6DL 800MHZ 624MAPBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,912
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Product details
Overview
MCIMX6U4AVM08ACR from NXP Semiconductors is an automotive-grade i.MX 6DualLite applications processor featuring dual Arm® Cortex®-A9 cores (64-bit DDR), 800 MHz operation, integrated 2D graphics accelerator (GPU2Dv2), MediaLB (MLB) interface, and no Video Processing Unit (VPU) or EPDC. It targets infotainment head units requiring real-time HMI rendering, multi-channel audio processing, and CAN-based vehicle network integration.
For engineers reviewing the MCIMX6U4AVM08ACR datasheet, MCIMX6U4AVM08ACR pinout, MCIMX6U4AVM08ACR application, or MCIMX6U4AVM08ACR equivalent, key selection considerations include its dual-core 800 MHz CPU with TrustZone, MLB150/50 support for MOST networks, dual FlexCAN 1 Mbps interfaces, HDMI 1.4 output, and automotive temperature range (–40°C to +125°C).
Technical Context
The MCIMX6U4AVM08ACR implements a symmetric dual-core Arm Cortex-A9 MPCore platform with 32 KB L1 instruction and data caches per core, 512 KB shared L2 cache, NEON MPE coprocessor, and Snoop Control Unit (SCU). Its memory subsystem supports 16/32/64-bit DDR3/DDR3L/LPDDR2-800 with interleaving mode enabled.
It integrates dedicated multimedia accelerators including GPU2Dv2 (BitBlt), ASRC (asynchronous sample rate conversion for up to 10 channels), IPUv3H (image processing), and CAAM (cryptographic acceleration with 16 KB secure RAM). Power management includes DVFS, SW state retention, and on-chip LDOs for domain-specific voltage regulation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual Arm Cortex-A9 MPCore with TrustZone, 64-bit DDR interface |
| Max Operating Frequency | 800 MHz (limited to 792 MHz when 24 MHz USB clock is used) |
| Graphics Acceleration | GPU2Dv2 (2D BitBlt engine); no VPU or GPU3D enabled in this variant |
| Automotive Interfaces | Two FlexCAN 1 Mbps controllers, MLB150/50 port, ESAI audio interface |
| Memory Support | 16/32/64-bit DDR3/DDR3L/LPDDR2-800; NAND Flash with BCH up to 40-bit ECC |
| Temperature Range | –40°C to +125°C junction (A-grade automotive qualification) |
| Package | MAPBGA, 21 mm × 21 mm, 0.8 mm pitch, 484-ball footprint |
Pinout & Package
MCIMX6U4AVM08ACR is housed in a 484-ball MAPBGA package (21 mm × 21 mm, 0.8 mm pitch), compliant with JEDEC MO-271AB. Ball assignment follows the i.MX 6DualLite functional contact map defined in IMX6SDLAEC Rev. 9, Section 6.2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLK_24M | USB Reference Clock Input | Mandatory 24 MHz crystal input for USB PHY operation; limits max SoC speed to 792 MHz |
| ENET_RX_CLK | Ethernet Receive Clock | Provides timing reference for 10/100/1000 Mbps ENET MAC RX path |
| FLEXCAN1_TX | CAN1 Transmit Signal | Differential CAN bus output supporting ISO 11898-1 at up to 1 Mbps |
| MLB_CLK | MediaLB Clock Output | Drives MOST25/50/150 network clock; enables DTCP cipher acceleration for encrypted media streams |
| HDMI_CEC | HDMI Consumer Electronics Control | Enables system-level remote control interoperability via HDMI-CEC protocol |
Key Features
| Feature | Design Value |
|---|---|
| Smart Speed Technology | Dynamic power gating and clock gating across CPU, GPU2D, and peripheral domains reduce active power by >40% vs. fixed-frequency operation |
| ASRC Audio Conversion | Supports concurrent asynchronous sample rate conversion of up to 10 audio channels with ≤–120 dB THD+N, enabling mixed-source audio mixing without CPU overhead |
| CAAM Security Engine | Hardware-accelerated AES-128/256, SHA-1/256, RSA-2048, and TRNG certified to NIST SP800-90A; 16 KB embedded secure RAM for key storage |
| MLB150 Interface | Full MediaLB 150 Mbps physical layer support with integrated DTCP cipher block for secure audio/video transport over MOST networks |
| Boot ROM with A-HAB | Advanced High Assurance Boot v4 with SHA-256, 2048-bit RSA signature verification, version control, and warm boot capability ensures authenticated firmware loading |
Applications
| Automotive Infotainment Head Unit | Digital Instrument Cluster |
|---|---|
Use Scenario: Central display unit integrating navigation, media playback, Bluetooth telephony, and vehicle telemetry in passenger vehicles. IC Role / Device Role / Timing Role: Primary application processor executing Linux/QNX OS, driving dual-display output (HDMI + LVDS), managing CAN bus diagnostics, and handling MLB-connected audio amplifiers. Use Value: Dual Cortex-A9 cores deliver deterministic UI responsiveness while GPU2D accelerates vector-based HMI rendering; MLB interface eliminates external bridge ICs for MOST audio subsystems. |
Use Scenario: Real-time driver information display with animated gauges, ADAS alerts, and redundant status indicators in modern instrument panels. IC Role / Device Role / Timing Role: Safety-critical display controller sourcing pixel data to dual independent displays (e.g., primary LCD + secondary HUD), synchronized via ASRC and IPUv3H for frame-accurate overlay composition. Use Value: Integrated ASRC enables seamless mixing of engine RPM (CAN-sourced) and voice prompt (ESAI-sourced) audio streams at different sample rates without jitter; dual FlexCAN ports allow isolated communication with body control and powertrain ECUs. |
| Telematics Control Unit (TCU) | Vehicle Connectivity Gateway |
Use Scenario: Cellular-connected module aggregating GPS, cellular modem, Wi-Fi/BT, and vehicle bus data for cloud telemetry and OTA updates. IC Role / Device Role / Timing Role: Host processor managing uSDHC-based eMMC storage, PCIe-connected LTE modem, and dual CAN interfaces for diagnostic logging and firmware distribution. Use Value: Hardware crypto acceleration (CAAM) enables secure TLS 1.2 handshake and signed firmware validation at boot; 512 KB L2 cache improves throughput for concurrent modem, GPS, and CAN data buffering. |
Use Scenario: In-vehicle gateway bridging CAN FD, Ethernet AVB, and legacy LIN buses for centralized vehicle network management. IC Role / Device Role / Timing Role: Protocol translation hub using SDMA-controlled DMA transfers between CAN controllers, ENET MAC, and internal memory; leverages GPC for low-latency interrupt routing. Use Value: Dedicated Smart DMA (SDMA) offloads CPU from protocol conversion tasks; MLB interface provides deterministic bandwidth for time-sensitive audio streaming alongside CAN traffic. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-core automotive applications processors.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCIMX6U6AVM08ACR | Includes VPU and GPU3D (OpenGL ES 2.0); same CPU, MLB, CAN, package | Required for 1080p video decode, 3D HMI, or camera-based ADAS preprocessing | Select MCIMX6U6AVM08ACR only if hardware video acceleration or 3D graphics are mandatory; otherwise MCIMX6U4AVM08ACR reduces BOM cost and thermal load. |
| MCIMX6S4AVM08ACR | Solo variant: single Cortex-A9 core, 32-bit DDR interface, identical peripheral set except no second CAN or MLB | Suitable for cost-sensitive entry-level clusters or audio-only nodes without dual-display or MOST requirements | Choose MCIMX6S4AVM08ACR when application workload fits within one core and MLB/CAN2 are unnecessary; retains same software compatibility and pinout family. |
Compared with MCIMX6U6AVM08ACR, MCIMX6U4AVM08ACR removes VPU/GPU3D to lower power and cost while retaining full MLB, dual CAN, and dual-display capability; versus MCIMX6S4AVM08ACR, it adds a second core, 64-bit DDR, MLB, and second CAN-enabling higher concurrency and automotive network integration without software porting.
Availability
MCIMX6U4AVM08ACR is available at Aetrix Electronics and suitable for automotive infotainment head units, digital instrument clusters, and telematics control units requiring stable component supply under AEC-Q100 Grade 2 conditions and long-term industrial lifecycle support.
Supply support for MCIMX6U4AVM08ACR 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 leader specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with deep expertise in Arm-based application processors and automotive-grade SoCs.
The i.MX 6DualLite product line was designed specifically for cost-optimized, high-reliability automotive infotainment and HMI applications-balancing dual-core performance, multimedia acceleration, and automotive interface compliance (CAN, MLB, ESAI) in a single die.
FAQ
What is the maximum operating frequency of the MCIMX6U4AVM08ACR and how does USB clocking affect it?
The MCIMX6U4AVM08ACR is rated for 800 MHz operation. However, when the mandatory 24 MHz USB reference clock is used-as required for USB OTG and host functionality-the maximum achievable SoC frequency is limited to 792 MHz due to internal PLL constraints. This is documented in Table 1 footnote of IMX6SDLAEC Rev. 9. The MCIMX6U4AVM08ACR must be configured accordingly in boot ROM and clock tree setup to maintain USB compliance at full performance.
Does the MCIMX6U4AVM08ACR include hardware video decoding capability?
No, the MCIMX6U4AVM08ACR does not include a Video Processing Unit (VPU). Per Table 1 in IMX6SDLAEC Rev. 9, the "4" in the part number suffix indicates GPU-only configuration (with MLB, no VPU, no EPDC). Video decode functions must be implemented in software or via external silicon. For hardware-accelerated 1080p decode, MCIMX6U6AVM08ACR (which includes VPU) is the direct alternative within the same package and pinout family.
What automotive interfaces are integrated into the MCIMX6U4AVM08ACR?
The MCIMX6U4AVM08ACR integrates two FlexCAN 2.0B controllers (1 Mbps), a full MediaLB 150 Mbps interface with DTCP cipher acceleration, an ESAI audio interface supporting up to 260 kHz sampling, and an asynchronous sample rate converter (ASRC) for multi-source audio synchronization. These interfaces meet core requirements for MOST-based audio systems, CAN-based diagnostics, and high-fidelity in-vehicle entertainment-validated under AEC-Q100 Grade 2 conditions.
Is the MCIMX6U4AVM08ACR pin-compatible with other i.MX 6DualLite variants in the same package?
Yes, the MCIMX6U4AVM08ACR shares identical 484-ball MAPBGA mechanical dimensions, ball pitch (0.8 mm), and functional ball mapping with all other VM08xx variants-including MCIMX6U6AVM08ACR and MCIMX6U1AVM08ACR-as confirmed in Section 6.2 of IMX6SDLAEC Rev. 9. Signal multiplexing is consistent across the family; differences are implemented via fuse settings and software configuration, not pin assignment.
What security features are enabled in the MCIMX6U4AVM08ACR and how are they utilized?
The MCIMX6U4AVM08ACR includes CAAM (Cryptographic Acceleration and Assurance Module) with NIST-certified AES/SHA/RSA engines and 16 KB secure RAM, Arm TrustZone for memory and interrupt isolation, A-HAB v4 for secure boot with SHA-256 and 2048-bit RSA, and SNVS for tamper-resistant RTC and key storage. These features enable secure firmware updates, DRM-compliant media playback, and encrypted CAN message signing-all without CPU intervention, preserving real-time determinism for automotive applications.
MCIMX6U4AVM08ACR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 624-LFBGA
- Series:
- i.MX6DL
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Core Processor:
- ARM® Cortex®-A9
- Number of Cores/Bus Width:
- 2 Core, 32-Bit
- Speed:
- 800MHz
- Co-Processors/DSP:
- Multimedia; NEON™ SIMD
- RAM Controllers:
- LPDDR2, LVDDR3, DDR3
- Graphics Acceleration:
- Yes
- Display & Interface Controllers:
- Keypad, LCD
- Ethernet:
- 10/100/1000Mbps (1)
- SATA:
- -
- USB:
- USB 2.0 + PHY (4)
- Voltage - I/O:
- 1.8V, 2.5V, 2.8V, 3.3V
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Security Features:
- ARM TZ, Boot Security, Cryptography, RTIC, Secure Fusebox, Secure JTAG, Secure Memory, Secure RTC, Tamper Detection
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 624-MAPBGA (21x21)
- Additional Interfaces:
- CAN, I2C, I2S, MMC/SD/SDIO, SAI, SPI, SSI, UART
MCIMX6U4AVM08ACR FAQ
1.How can I place an order for MCIMX6U4AVM08ACR through Aetrix?
Please submit a Request for Quotation (RFQ) for MCIMX6U4AVM08ACR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MCIMX6U4AVM08ACR reliable?
The price and inventory of MCIMX6U4AVM08ACR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCIMX6U4AVM08ACR is usually 5 days.
3.What payment methods are accepted for MCIMX6U4AVM08ACR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCIMX6U4AVM08ACR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCIMX6U4AVM08ACR?
MCIMX6U4AVM08ACR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCIMX6U4AVM08ACR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MCIMX6U4AVM08ACR?
For technical support, including MCIMX6U4AVM08ACR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCIMX6U4AVM08ACR requirements.
6.How does Aetrix verify that MCIMX6U4AVM08ACR is sourced from the original manufacturer or authorized distributors?
All MCIMX6U4AVM08ACR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MCIMX6U4AVM08ACR meets industry standards.
7.What is the process for return or replacement of MCIMX6U4AVM08ACR?
All MCIMX6U4AVM08ACR units undergo pre-shipment inspection (PSI). If there is an issue with MCIMX6U4AVM08ACR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MCIMX6U4AVM08ACR part is unused and in its original packaging.
Return procedure for MCIMX6U4AVM08ACR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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