Overview
The MCIMX257CJN4A is an i.MX25 multimedia applications processor developed by NXP USA Inc. This processor is designed to meet the needs of consumer and industrial applications, particularly those requiring data acquisition and enhanced user interfaces. At its core, the MCIMX257CJN4A features the ARM 926EJ-S processor, operating at speeds of up to 400 MHz. It is known for its high performance, low power consumption, and extensive integration of various peripherals and interfaces, making it suitable for a wide range of embedded systems.
Key Specifications
| Specification | Details |
|---|---|
| Processor Core | ARM 926EJ-S |
| CPU Speed | Up to 400 MHz |
| L1 I/D Cache | 16K I/D |
| On-chip SRAM | 128 KB |
| Memory Support | Up to 133 MHz DDR2, MobileDDR, DDR, NOR Flash, PSRAM, SDRAM, SRAM, NAND Flash, and managed NAND |
| Package | 17 x 17 mm, 0.8 mm pitch, MAPBGA-400 |
| Temperature Range | –20 to +70°C |
| USB Interfaces | HS USB 2.0 OTG + PHY, HS USB 2.0 Host + PHY |
| Ethernet | 10/100 Ethernet MAC |
| ADC | 12-bit ADC |
| SD/SDIO/MMC | Support for SD/SDIO 1-bit, 4-bit; MMC 1-bit, 4-bit, 8-bit |
Key Features
- High Performance and Low Power: The processor combines high performance with low power consumption, making it ideal for battery-powered devices and applications requiring efficient energy use.
- Integrated Peripherals: Includes a CMOS image sensor interface, A/D controller with integrated touchscreen controller, programmable Smart DMA (SDMA) controller, and support for various memory types.
- Security Features: Offers hardware-enabled security features such as secure boot, secure software downloads, information encryption, and robust tamper detection.
- Interface Flexibility: Supports connections to various external memories and includes interfaces like Fast Ethernet, HS USB OTG, and HS USB Host.
- Display and Audio Capabilities: Features an LCD controller supporting black-and-white, gray-scale, and color LCD panels, as well as a Pulse-Width Modulator (PWM) for generating sound.
- Connectivity Peripherals: Includes a Controller Area Network (CAN) module, FlexCAN, and multiple UART, I2C, SSI/I2S, and CSPI interfaces.
Applications
The MCIMX257CJN4A is versatile and can be used in a variety of consumer and industrial applications. Some key use cases include:
- Industrial Automation: Suitable for control systems, data acquisition, and other industrial automation tasks due to its robust peripherals and interfaces.
- Consumer Electronics: Ideal for devices such as smart home appliances, medical devices, and other consumer electronics that require high performance and low power consumption.
- Embedded Systems: Can be used in various embedded systems requiring advanced security features, multiple interfaces, and efficient processing.
Q & A
- What is the core processor of the MCIMX257CJN4A?
The core processor is the ARM 926EJ-S. - What is the maximum CPU speed of the MCIMX257CJN4A?
The maximum CPU speed is up to 400 MHz. - How much on-chip SRAM does the MCIMX257CJN4A have?
The MCIMX257CJN4A has 128 KB of on-chip SRAM. - What types of memory does the MCIMX257CJN4A support?
The processor supports up to 133 MHz DDR2, MobileDDR, DDR, NOR Flash, PSRAM, SDRAM, SRAM, NAND Flash, and managed NAND. - What is the package size and type of the MCIMX257CJN4A?
The package is 17 x 17 mm, 0.8 mm pitch, MAPBGA-400. - What is the operating temperature range of the MCIMX257CJN4A?
The operating temperature range is –20 to +70°C. - Does the MCIMX257CJN4A support USB interfaces?
Yes, it supports HS USB 2.0 OTG + PHY and HS USB 2.0 Host + PHY. - Does the MCIMX257CJN4A have Ethernet capabilities?
Yes, it includes a 10/100 Ethernet MAC. - What security features are available on the MCIMX257CJN4A?
The processor includes hardware-enabled security features such as secure boot, secure software downloads, information encryption, and robust tamper detection. - What types of display interfaces does the MCIMX257CJN4A support?
The MCIMX257CJN4A supports black-and-white, gray-scale, and color LCD panels.
