MCIMX257DJM4A
| Part Description |
ARM926EJ-S Microprocessor IC i.MX25 1 Core, 32-Bit 400MHz 400-LFBGA (17x17) |
|---|---|
| Quantity | 867 Available (as of October 8, 2026) |
| Product Category | Microprocessors |
|---|---|
| Part Series | i.MX 257 |
| Manufacturer | NXP USA Inc. |
| Manufacturing Status | Active |
| Manufacturer Standard Lead Time | 16 Weeks |
| Datasheet |
Specifications & Environmental
| Core Processor | ARM926EJ-S | Device Package | 400-LFBGA (17x17) | Display & Interface Controllers | Keypad, LCD, Touchscreen | ||
|---|---|---|---|---|---|---|---|
| ECCN | 5A992C | Ethernet | 10/100Mbps (1) | Graphics Acceleration | No | ||
| HTS Code | 8542.31.0001 | Moisture Sensitivity Level | 3 (168 Hours) | Mounting Method | Surface Mount | ||
| Mounting Type | Surface Mount | Number of Cores/Bus Width | 1 Core, 32-Bit | Operating Temperature | -20°C ~ 70°C (TA) | ||
| Package / Case | 400-LFBGA | RAM Controllers | LPDDR, DDR, DDR2 | REACH Compliance | REACH Unaffected | ||
| RoHS Compliance | ROHS3 Compliant | Speed | 400MHz | Supplier Device Package | 400-LFBGA (17×17) | ||
| USB | USB 2.0 + PHY (2) | Voltage – I/O | 2.0V, 2.5V, 2.7V, 3.0V, 3.3V |
Overview of MCIMX257DJM4A – IC MPU I.MX25 400MHZ 400LFBGA
The MCIMX257DJM4A is an NXP i.MX25 applications processor built around a single ARM926EJ-S 32‑bit core running at up to 400 MHz. It combines a power‑efficient CPU implementation with integrated peripherals to serve embedded and industrial-class human‑machine and connectivity applications.
Targeted use cases include graphical remote controls, HMI panels, residential and commercial control systems, gateways and handheld devices that require a balanced mix of performance, low power and on‑chip integration.
Key Features
- Core Single ARM926EJ‑S 32‑bit core operating up to 400 MHz, offering deterministic processing for embedded control and user‑interface tasks.
- Memory Controllers On‑chip controllers for LPDDR, DDR and DDR2 memory; datasheet references support for DDR2 up to 133 MHz to enable responsive system memory performance.
- Connectivity Integrated 10/100 Mbps Ethernet MAC and support for CAN, providing common wired network and fieldbus options for embedded systems.
- USB Subsystem Two USB 2.0 controllers with on‑chip PHYs for host/device connectivity and peripheral interfaces without external PHY components.
- Display and Input On‑chip display interface controllers for LCD, keypad and touchscreen integration suitable for HMI and control panels.
- Power Management Advanced power management features and a power‑efficient ARM core design to minimize system power consumption across active and low‑power modes (described in the datasheet).
- Package and Mounting 400‑lead LFBGA package (17 × 17 mm, 0.8 mm pitch) in a surface‑mount form factor for compact system designs.
- Environmental and Qualification RoHS compliant; operating temperature range specified as −20 °C to 70 °C and listed qualification level as Consumer in the product data.
Typical Applications
- Human‑Machine Interfaces (HMI) Drives LCD screens, touch input and keypad interfaces for control panels and operator displays.
- Residential and Commercial Control Panels Provides processing, connectivity and memory support for automation, metering gateways and building control devices.
- Handheld Scanners and Printers Offers a compact processing platform with USB and memory interfaces suited to portable scanning and printing peripherals.
- Point‑of‑Sale Terminals Integrates Ethernet and USB connectivity for transaction devices requiring reliable I/O and user interfaces.
Unique Advantages
- Highly integrated connectivity: Integrated 10/100 Ethernet MAC plus two USB 2.0 PHYs reduce external component count and simplify board design.
- Flexible memory support: On‑chip controllers for LPDDR, DDR and DDR2 (up to 133 MHz DDR2 supported per datasheet) enable a range of memory configurations to match application cost and performance targets.
- Power‑aware architecture: Advanced power management features and a power‑efficient ARM926EJ‑S core help lower system power in both active and low‑power modes.
- Embedded interface mix: Built‑in display, keypad and touchscreen controllers plus CAN support make the device suitable for HMI and control applications without extensive external glue logic.
- Compact, surface‑mount package: 400‑LFBGA (17 × 17 mm) provides a dense, manufacturable footprint for space‑constrained designs.
- Compliance and temperature range: RoHS compliance and a −20 °C to 70 °C operating range align the device with typical consumer and embedded environmental requirements.
Why Choose MCIMX257DJM4A?
The MCIMX257DJM4A positions itself as a balanced, integrated applications processor for embedded designs that require a moderate performance MCU with robust peripheral integration. Its ARM926EJ‑S core at up to 400 MHz, combined with on‑chip Ethernet, dual USB PHYs and flexible memory controllers, delivers a compact platform for HMI, gateway, handheld and control applications.
Designed to support general embedded and industrial markets while carrying a consumer qualification, this device is suited to developers seeking a power‑efficient processing element that reduces external BOM and accelerates time to market through integrated interfaces and on‑chip system features.
Request a quote or submit a product inquiry to evaluate the MCIMX257DJM4A for your next embedded design.

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