Overview
The MCIMX257CJM4A is a 32-bit microprocessor from NXP USA Inc., part of the i.MX25 series. This applications processor is designed to meet the needs of both consumer and industrial markets, offering a balance of high performance, low power consumption, and extensive integration. At its core, the MCIMX257CJM4A features the ARM926EJ-S processor, which operates at speeds up to 400 MHz. The processor includes various peripherals and interfaces, making it suitable for a wide range of applications, including secure devices, industrial control systems, and multimedia devices.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Core | ARM926EJ-S |
| CPU Speed | Up to 400 MHz |
| Package Type | 400-LFBGA |
| Supply Voltage | 1.2/1.5/1.8/3.3 V |
| Operating Temperature | -40°C to +85°C |
| Memory Support | Up to 133 MHz DDR2, mDDR, or SDRAM; external NAND or NOR flash |
| On-chip SRAM | 128 KB |
| Connectivity | 10/100 Ethernet MAC, HS USB 2.0 OTG + PHY, HS USB 2.0 Host + PHY, FlexCAN (2), I2C (3), SSI/I2S (2), CSPI (2), UART (5) |
| Display Controller | Supports up to SVGA (800 x 600) resolution TFT LCD |
| Camera Interface | CMOS/CCD sensor interface |
| Security Features | Tamper detection, secure boot, true random number generator, volatile key storage, user-programmable E-fuses |
Key Features
- High-Performance CPU: The ARM926EJ-S core operates at speeds up to 400 MHz, ensuring high performance and efficiency.
- Integrated Peripherals: Includes 10/100 Ethernet MAC, high-speed USB OTG and host, FlexCAN, I2C, SSI/I2S, CSPI, and UART interfaces.
- Display Support: Capable of supporting up to SVGA (800 x 600) resolution TFT LCDs.
- Camera Interface: Supports CMOS/CCD sensor interfaces for camera and video applications.
- Security Enhancements: Features tamper detection, secure boot, true random number generator, volatile key storage, and user-programmable E-fuses for enhanced security.
- Memory and Storage: Supports external DDR2, mDDR, or SDRAM, as well as external NAND or NOR flash.
- Power Management: Optimized for low power consumption with integrated 128 KB SRAM for improved system performance and low-power LCD refresh.
Applications
- Industrial Control Systems: Suitable for industrial automation, control systems, and IoT devices due to its robust feature set and reliability.
- Secure Devices: Ideal for secure applications such as wired or wireless payment terminals, POS systems, and secure residential gateways for smart metering.
- Multimedia Devices: Supports multimedia applications with its integrated camera interface, display controller, and audio peripherals.
- General Embedded Systems: Applicable in various general embedded systems requiring high performance, low power, and extensive integration.
Q & A
- What is the CPU core of the MCIMX257CJM4A?
The CPU core is the ARM926EJ-S.
- What is the maximum CPU speed of the MCIMX257CJM4A?
The maximum CPU speed is up to 400 MHz.
- What type of package does the MCIMX257CJM4A use?
The package type is 400-LFBGA.
- What are the supported memory types for the MCIMX257CJM4A?
The processor supports external DDR2, mDDR, or SDRAM, as well as external NAND or NOR flash.
- Does the MCIMX257CJM4A have integrated security features?
Yes, it includes tamper detection, secure boot, true random number generator, volatile key storage, and user-programmable E-fuses.
- What display resolutions does the MCIMX257CJM4A support?
The processor supports up to SVGA (800 x 600) resolution TFT LCDs.
- Does the MCIMX257CJM4A have a camera interface?
Yes, it supports CMOS/CCD sensor interfaces for camera and video applications.
- What are the operating temperature ranges for the MCIMX257CJM4A?
The operating temperature range is -40°C to +85°C.
- What connectivity options are available on the MCIMX257CJM4A?
The processor includes 10/100 Ethernet MAC, high-speed USB OTG and host, FlexCAN, I2C, SSI/I2S, CSPI, and UART interfaces.
- Is the MCIMX257CJM4A suitable for secure applications?
Yes, it is designed with enhanced security features, making it suitable for secure devices such as payment terminals and secure residential gateways.
