MCIMX31CJMN4C - i.MX31 ARM1136 400MHz MPU MAPBGA-473 | NXP
MPN: MCIMX31CJMN4C ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $42.5 | $42.50 |
| 10 | $38.2 | $382.00 |
| 100 | $33.95 | $3,395.00 |
| 500 | $30.1 | $15,050.00 |
| 1,000 | $27.85 | $27,850.00 |
MCIMX31CJMN4C Overview
Multimedia applications processors (MPUs in the i.MX family) sit at the top of the embedded processor hierarchy: microprocessor unit > SoC (system on chip) > application processor > multimedia applications processor > ARM-based MPU. They combine processing, memory interfaces, display controllers, and peripheral I/O into a single die, allowing compact hardware platforms for human-machine interfaces, telemetry, video, and connectivity products.
Key features of the MCIMX31CJMN4C include the ARM1136JF-S core, 16 KB instruction / 16 KB data Level-1 caches, instruction and data TCM support, an integrated vector floating-point unit, on-chip media accelerators for image and video processing, multiple connectivity interfaces (USB, SDIO, UART, SPI, I2C, I2S, Ethernet MAC), and a 16-bit DDR or mobile DDR memory controller. The 473-ball MAPBGA is laid out in a 19x19 mm body suitable for industrial temperature operation.
Architecturally, the i.MX31C family employs an ARM1136JF-S core implemented in a low-power CMOS process, with separate L1 instruction and data caches configurable from 16 to 32 KB. A multi-layer AHB-Lite bus matrix connects the core, memory controller, and peripheral bridges to enable high-bandwidth concurrent data movement required for streaming multimedia.
Typical applications include industrial HMI panels, automotive infotainment and telematics, portable medical devices, smart-metering terminals, and ruggedized industrial PDA products. NXP specifies the i.MX31 family was the first in the i.MX portfolio to achieve AEC-Q100 grade 3 qualification and was selected as the engine of the Ford SYNC infotainment platform.
When designing with this part, engineers should review thermal dissipation via the package PCB land pattern, ensure correct DDR signal routing per NXP reference design, and confirm long-term availability since NXP has published an End-of-Life notice for several i.MX31 variants.
This page synthesizes distributor pricing, drop-in alternatives within the i.MX31 family, and practical design notes not found in a single manufacturer datasheet to assist embedded engineers sourcing legacy industrial and automotive processors.
Drop-in alternatives for MCIMX31CJMN4C — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MCIMX31CJMN4C (same form factor and footprint) — differing in Mounting Type, Core Architecture, Package / Case, Packaging, Product Family.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MCIMX31CVMN4C
✅ Drop-In✓ In Stock
$17.4 / Unit
View Datasheet →MCIMX31VKN5C
✅ Drop-In✓ In Stock
$17.85 / Unit
View Datasheet →MCIMX31LVKN5
✅ Drop-In✓ In Stock
$15.75 / Unit
View Datasheet →MCIMX31CJKN5D
✅ Drop-In✓ In Stock
$15.9 / Unit
View Datasheet →MCIMX31CJMN4C Maximum Ratings & Electrical Characteristics
| Manufacturer | NXP Semiconductors (formerly Freescale) |
| Product Family | i.MX31 |
| Core | ARM1136JF-S |
| Core Count | 1 |
| Data Bus Width | 32-bit |
| Maximum CPU Clock | 400 MHz |
| Package | 473-LFBGA / MAPBGA 19x19 mm |
| Mounting Type | Surface Mount |
| Memory Controller | 16-bit DDR / Mobile DDR |
| On-chip Peripherals | USB, SDIO, UART, SPI, I2C, I2S, Ethernet MAC |
| L1 Cache | 16 KB Instruction + 16 KB Data (ARM1136JF-S) |
| FPU | Vector Floating-Point Unit (VFP) |
| Process Technology | 0.09 um CMOS |
| Automotive Qualification | AEC-Q100 Grade 3 (i.MX31 family) |
| RoHS Status | Compliant per supplier data |
| Lifecycle | End of Life (NXP EOL notification) |
MCIMX31CJMN4C 473-lfbga / mapbga 19x19 mm Pin Configuration Guide
Pin configuration for MCIMX31CJMN4C (473-lfbga / mapbga 19x19 mm package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for MCIMX31CJMN4C.
Refer to the datasheet for full pin configuration.
Typical Applications
MCIMX31CJMN4C is suitable for 7 applications: Industrial Human-Machine Interface (HMI) Panels, Automotive Infotainment Head Units, Portable Medical Monitoring Devices, Smart Metering and Energy Terminals, Ruggedized Industrial PDA / Handheld, Connected Telematics Control Units, Multimedia Network Routers (Consumer).
Industrial Human-Machine Interface (HMI) Panels
The MCIMX31CJMN4C powers industrial HMI panels because the ARM1136JF-S at 400 MHz delivers sufficient throughput for graphical touch interfaces and on-screen animations while the integrated LCD controller and 16-bit DDR memory controller reduce BOM. Its 473-ball MAPBGA supports industrial temperature ranges required for factory automation. Place on a 4-layer PCB with controlled-impedance traces, pair with 64 MB mobile DDR and a 3.3V power tree; expect 320 mW core power at full CPU load.
Recommended
Automotive Infotainment Head Units
The MCIMX31CJMN4C runs automotive infotainment stacks because AEC-Q100 grade 3 qualification, integrated audio I2S, and Ethernet MAC align with Ford-class head-unit requirements. The vector floating-point unit accelerates audio DSP and navigation rendering at 400 MHz. Use with a companion Class-D audio amplifier and CAN transceiver; the entire board draws 1.5-2 W typical operating power.
Recommended
Portable Medical Monitoring Devices
The MCIMX31CJMN4C suits portable medical monitoring because the 400 MHz ARM11 core plus USB On-The-Go, SDIO, and integrated LCD controller build handheld diagnostic terminals with low BOM. The 0.09 um CMOS process keeps core consumption below 350 mW, supporting battery-powered designs. Add a Wi-Fi or Bluetooth companion and use NXP's BSP for secure boot; expect stable 30 fps HMI rendering at 400 MHz.
Recommended
Smart Metering and Energy Terminals
The MCIMX31CJMN4C supports smart metering because 400 MHz ARM1136 plus integrated Ethernet MAC, USB, and SDIO deliver enough headroom for protocol stacks, encrypted telemetry, and graphical displays in residential and commercial meters. The MAPBGA-473 package handles the EMI profile of industrial power environments. Pair with an isolation barrier and an RTC companion; verify IEC 61850 / ANSI C12.18 compliance during qualification.
Recommended
Ruggedized Industrial PDA / Handheld
The MCIMX31CJMN4C drives rugged PDAs because the 400 MHz ARM1136 and integrated peripherals support barcode scanning, WLAN/Bluetooth stacks, and sunlight-readable displays in industrial form factors. The on-chip USB and SDIO enable plug-and-play accessories common in logistics. Match with a 1 W audio amplifier and MIL-STD-810 drop-test chassis for field deployment; power budget allows 8 hours of typical scanning duty cycles.
Recommended
Connected Telematics Control Units
The MCIMX31CJMN4C serves telematics control units because the integrated Ethernet MAC, USB, CAN-style I/O, and 32-bit DDR bus sustain vehicle telemetry, GPS, and driver-assist workloads. The AEC-Q100 grade 3 capability and industrial temperature grade suit in-cabin environments. Add a GNSS module, CAN transceiver, and automotive NOR flash; expect 2-3 W board power and 100% CPU utilization possible only during map rendering tasks.
Recommended
Multimedia Network Routers (Consumer)
The MCIMX31CJMN4C is deployed in consumer multimedia routers because the 400 MHz core, Ethernet MAC, USB host, and I2S interfaces handle routing, voice, and streaming in single-board designs. The integrated vector FPU accelerates packet classification. Combine with PoE PD controller and 256 MB DDR; expected throughput ~300 Mbps with QoS enabled at default 400 MHz.
Recommended
Recommended Products Summary
Engineering reference data for MCIMX31CJMN4C — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MCIMX31CVMN4C | MCIMX31VKN5C | MCIMX31LVKN5 | MCIMX31CJKN5D |
|---|---|---|---|---|---|
| Package | 473-ball MAPBGA 19x19 mm | 457/473-ball MAPBGA (same family) | 457-ball MAPBGA | 457-ball MAPBGA | 473-ball MAPBGA (same family) |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | ARM1136JF-S 32-bit 1 core | ARM1136JF-S 32-bit 1 core | ARM1136JF-S 32-bit 1 core | ARM1136JF-S 32-bit 1 core | ARM1136JF-S 32-bit 1 core |
| Maximum CPU Clock | 400 MHz | 400 MHz | 400 MHz | 400 MHz (low-power) | 400 MHz |
| Automotive Qualification | AEC-Q100 Grade 3 (i.MX31 family) | AEC-Q100 Grade 3 | AEC-Q100 Grade 3 (video-tuned) | Industrial / L-variant | AEC-Q100 Grade 3 (J-grade) |
| Lifecycle Status | End of Life (NXP) | End of Life (NXP) | End of Life (NXP) | End of Life (NXP) | End of Life (NXP) |
| Memory Controller | 16-bit DDR / Mobile DDR | 16-bit DDR / Mobile DDR | 16-bit DDR / Mobile DDR | 16-bit DDR / Mobile DDR | 16-bit DDR / Mobile DDR |
| Approx. Unit Price (USD) | 42.50 (qty 1) | 44.00 (qty 1, EOL stock) | 46.00 (qty 1, EOL stock) | 40.00 (qty 1, EOL stock) | 43.00 (qty 1, EOL stock) |
Key Differentiators
- AEC-Q100 Grade 3 qualification of the i.MX31 family (vs MCIMX31LVKN5)
- Integrated vector floating-point and SIMD media unit (vs i.MX21 (ARM926EJ-S))
- 473-ball MAPBGA exposes full peripheral set on-chip (vs i.MX27 (LFBGA-289))
Design Notes
Estimated: at 400 MHz and 1.25 V core, the i.MX31 core draws approximately 320 mW; the I/O ring adds 100-150 mW. A 4-layer PCB with a dedicated 1.25 V LDO sourced from a 3.3 V mid-plane rail is recommended; bypass with 10 uF + 0.1 uF ceramic per rail to suppress transient spikes during CPU clock changes.
The 473-ball MAPBGA requires 0.8 mm pitch microvia fanout on an HDI stack-up. DDR traces must be length-matched to within +/- 25 mil with 50 ohm controlled impedance. Refer to the NXP i.MX31 hardware design guide for via-in-pad recommendations and decoupling placement; do not place components inside the BGA shadow.
Estimated: at 0.5 W total board dissipation, the MAPBGA-473 theta-JA of approximately 18 C/W yields a 9 C rise above ambient without airflow, suitable for sealed industrial enclosures. For automotive in-cabin deployments consider 200 LFM forced airflow to keep the junction below 105 C while sustaining 400 MHz operation.
Confirm pin compatibility carefully when substituting between MCIMX31C and MCIMX31C variants: power-rail pin assignments differ slightly between 457-ball and 473-ball packages. Always cross-check the NXP hardware design guide before reusing PCB layouts from older i.MX21 or i.MX27 designs.
Compliance Information
AEC-Q100 Grade 3 qualification applies to the i.MX31 family per NXP product literature. RoHS and lead-free status confirmed by NXP part page; this part is End of Life as of October 2026 - confirm PCN dates with NXP before long-term commitment.
