Overview
The MCIMX257CJM4AR2 is a multimedia applications processor from NXP USA Inc., part of the i.MX25 series. This processor is designed to meet the growing needs of industrial and general embedded markets with its high performance, low power consumption, and extensive integration. At its core, it features the ARM926EJ-S processor, operating at speeds of up to 400 MHz. The i.MX25 series is known for its versatility and robust feature set, making it suitable for a wide range of applications.
Key Specifications
Parameter | Value |
---|---|
Processor Core | ARM926EJ-S |
CPU Speed | Up to 400 MHz |
L1 I/D Cache | 16K I/D |
On-chip SRAM | 128 KB |
Package Type | 400-LFBGA (17x17 mm, 0.8 mm Pitch) |
Supply Voltage | 1.2/1.5/1.8/3.3V |
External Data Bus Width | 16-bit |
Memory Support | Up to 133 MHz DDR2, MobileDDR, DDR, NOR Flash, PSRAM, SDRAM, SRAM, NAND Flash |
Ethernet | 10/100 Ethernet MAC |
USB | HS USB 2.0 OTG + PHY, HS USB 2.0 Host + PHY |
ADC | 12-bit ADC |
SD/SDIO/MMC | Support for SD/SDIO/MMC (2) |
Key Features
- High Performance and Low Power: The ARM926EJ-S core provides high performance while maintaining low power consumption.
- Integrated Peripherals: Includes a CMOS image sensor interface, A/D controller with integrated touchscreen controller, and programmable Smart DMA (SDMA) controller.
- Interface Flexibility: Supports various types of external memories such as MobileDDR, DDR, DDR2, NOR Flash, PSRAM, SDRAM, SRAM, NAND Flash, and managed NAND.
- Security Features: Hardware-enabled security features for secure e-commerce, Digital Rights Management (DRM), and other secure applications.
- Connectivity: Features 10/100 Ethernet MAC, HS USB 2.0 OTG + PHY, HS USB 2.0 Host + PHY, and multiple serial interfaces like I2C, SSI/I2S, CSPI, and UART.
- Display and Audio: Includes an LCD controller supporting various display types and an AUDMUX for audio routing.
- Power Management: The Clock Control Module (CCM) manages low-power modes (wait, stop, and doze) for power conservation.
Applications
The MCIMX257CJM4AR2 is versatile and can be used in a variety of applications, including:
- Industrial Automation: For control systems, HMI interfaces, and other industrial automation tasks.
- Consumer Electronics: Suitable for devices such as set-top boxes, digital media players, and other consumer electronic products.
- Medical Devices: Can be used in medical devices requiring high performance and low power consumption.
- Automotive Systems: Applicable in automotive infotainment systems and other vehicle electronics.
- General Embedded Systems: Ideal for various embedded systems requiring robust processing and multiple peripheral interfaces.
Q & A
- What is the processor core of the MCIMX257CJM4AR2?
The processor core is the ARM926EJ-S. - What is the maximum CPU speed of the MCIMX257CJM4AR2?
The maximum CPU speed is up to 400 MHz. - How much on-chip SRAM does the MCIMX257CJM4AR2 have?
The device has 128 KB of on-chip SRAM. - What types of memory does the MCIMX257CJM4AR2 support?
It supports up to 133 MHz DDR2, MobileDDR, DDR, NOR Flash, PSRAM, SDRAM, SRAM, and NAND Flash. - Does the MCIMX257CJM4AR2 have integrated Ethernet capabilities?
Yes, it includes a 10/100 Ethernet MAC. - What USB interfaces are available on the MCIMX257CJM4AR2?
It features HS USB 2.0 OTG + PHY and HS USB 2.0 Host + PHY. - Is the MCIMX257CJM4AR2 suitable for secure applications?
Yes, it includes hardware-enabled security features for secure e-commerce, DRM, and other secure applications. - What display types are supported by the LCD controller?
The LCD controller supports black-and-white, gray-scale, passive-matrix color (CSTN), and active-matrix color (TFT) LCD panels. - How does the Clock Control Module (CCM) contribute to power management?
The CCM manages low-power modes (wait, stop, and doze) by disabling peripheral clocks appropriately for power conservation. - What are some common applications of the MCIMX257CJM4AR2?
It is used in industrial automation, consumer electronics, medical devices, automotive systems, and general embedded systems.