NXP Semiconductors MCIMX508CVM8B

Overview

MCIMX508CVM8B from NXP Semiconductors (formerly Freescale) is an ARM Cortex-A8-based multimedia applications processor operating at 800 MHz, featuring integrated EPDC for electrophoretic displays, ePXP pixel processing pipeline, 2D GPU (200 Mpix/s), and dual USB 2.0 PHYs. It supports LPDDR2/DDR2 up to 266 MHz and targets portable e-reader and industrial HMI systems requiring low-power grayscale display control.

For engineers reviewing the MCIMX508CVM8B datasheet, MCIMX508CVM8B pinout, MCIMX508CVM8B application, or MCIMX508CVM8B equivalent, key selection criteria include EPDC availability, 400-pin 17×17 mm MAPBGA package with independent USB VDDA rails, 256 KB L2 cache, and support for simultaneous eLCDIF + EPDC operation in 16-bit mode.

Technical Context

The MCIMX508CVM8B implements a 64-bit AXI fabric (266 MHz) as its central interconnect, aggregating ARM CPU, ePXP, EPDC, eLCDIF, GPU2D, SDMA, FEC, and DCP crypto engine. Its memory subsystem includes 32 KB L1 instruction and data caches, 256 KB unified L2 cache, 128 KB on-chip RAM, and boot ROM with HAB4 secure boot.

Power management leverages Smart Speed™ technology with DVFS, SRPG power gating for ARM/NEON, and four PLLs-including one with eight independently controllable outputs-enabling precise clocking for display and connectivity modules. The EPDC block is exclusive to MCIMX508 variants and enables direct-drive active-matrix E-INK panels up to 4096×4096 at 20 Hz.

Key Specifications

Pinout & Package

MCIMX508CVM8B uses the 400-pin MAPBGA package (Case 400), 17 × 17 mm, 0.8 mm pitch. This package removes DRAM_SDCLK_1, DRAM_SDCLK_1_B, DRAM_A14, DRAM_SDODT1, UART2_CTS, and UART2_RTS versus the 416-pin variant, and provides independent USB_OTG_VDDA25 and USB_H1_VDDA25 rails-eliminating substrate-level shorts present in smaller packages.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar multimedia applications processors with electrophoretic display support.

Compared with MCIMX508CVM8B, MCIMX508CVK8B trades USB supply independence for compactness, while MCIMX507CVM8B removes GPU2D to lower cost and power-both retain EPDC and ePXP but differ in thermal, layout, and graphics capability trade-offs.

Availability

MCIMX508CVM8B is available at Aetrix Electronics and suitable for e-reader systems, industrial HMI panels, medical data loggers, and retail electronic shelf labels requiring stable component supply and long-term lifecycle support.

Supply support for MCIMX508CVM8B 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 formed from the spin-off of Philips' semiconductor division, now specializing in secure connectivity solutions for automotive, industrial, and IoT markets.

The i.MX50 product line was designed specifically for portable multimedia applications demanding high-performance ARM processing, low-power electrophoretic display control, and hardware-accelerated graphics-all within strict thermal and power envelopes.

FAQ

What display interfaces does the MCIMX508CVM8B support?

The MCIMX508CVM8B supports two primary display interfaces: the Electrophoretic Display Controller (EPDC) for E-INK panels and the enhanced LCD Interface (eLCDIF) for color LCDs. When both are active simultaneously, the eLCDIF operates in 16-bit mode due to pin multiplexing constraints. The EPDC is exclusive to MCIMX508 variants and supports resolutions up to 4096×4096 at 20 Hz.

Does the MCIMX508CVM8B include a graphics accelerator?

Yes, the MCIMX508CVM8B integrates a GPU2Dv1 2D graphics accelerator compliant with OpenVG 1.1, delivering up to 200 Mpix/s performance. This hardware block offloads pixel operations such as compositing and scaling from the ARM Cortex-A8 core, improving UI responsiveness and reducing CPU utilization in graphical applications.

What is the package type and pin count of the MCIMX508CVM8B?

The MCIMX508CVM8B uses a 400-pin MAPBGA package (Case 400), measuring 17 × 17 mm with 0.8 mm pitch. This package differs from the 416-pin variants by removing six pins-including DRAM_A14 and UART2_RTS-and providing independent USB analog power rails, enhancing signal integrity for high-speed USB host operation.

How does the MCIMX508CVM8B handle secure boot and firmware authentication?

The MCIMX508CVM8B implements High-Assurance Boot 4 (HAB4) with SHA-256 hashing and 2048-bit RSA signature verification. During boot, it validates firmware images against cryptographic keys stored in on-chip fuses, preventing unauthorized code execution. This feature is mandatory for medical and industrial devices requiring regulatory compliance and firmware integrity assurance.

What memory types are supported by the MCIMX508CVM8B DRAM controller?

The MCIMX508CVM8B DRAM Memory Controller supports LPDDR2, DDR2, and LPDDR1 memories at clock rates up to 266 MHz over a 32-bit interface. It also integrates hardware BCH32 error correction for NAND Flash (SLC/MLC), eMMC 4.4 support via eSDHCv3-3 port, and interfaces for NOR Flash, PSRAM, and OneNAND-providing flexible, high-bandwidth external memory options.