Overview
The MCIMX258CJM4A is an i.MX25 multimedia applications processor developed by NXP USA Inc. (formerly Freescale Semiconductor). This processor is designed to meet the high performance, low power, and integration requirements of industrial and general embedded markets. At its core, the MCIMX258CJM4A features the ARM® 926EJ-S™ core, operating at speeds of up to 400 MHz. The processor is equipped with a range of peripherals and interfaces, making it suitable for various consumer and industrial applications.
Key Specifications
| Parameter | Specification |
|---|---|
| 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 |
| 10/100 Ethernet MAC | Yes |
| HS USB 2.0 OTG + PHY | Yes |
| HS USB 2.0 Host + PHY | Yes |
| 12-bit ADC | Yes |
| SD/SDIO/MMC | Yes (2 interfaces) |
| I2C | Yes (3 interfaces) |
| SSI/I2S | Yes (2 interfaces) |
| CSPI | Yes (2 interfaces) |
| UART | Yes (5 interfaces) |
| FlexCAN | Yes (2 interfaces) |
| Security Features | Hardware-enabled security for secure e-commerce, Digital Rights Management (DRM), etc. |
Key Features
- High Performance and Low Power: The processor features an ARM 926EJ-S core with speeds up to 400 MHz, along with integrated power management to support low-power modes.
- Memory and Storage: Supports various memory types including DDR2, MobileDDR, NOR Flash, PSRAM, SDRAM, SRAM, and NAND Flash.
- Peripheral Interfaces: Includes 10/100 Ethernet MAC, HS USB 2.0 OTG and Host, 12-bit ADC, SD/SDIO/MMC, I2C, SSI/I2S, CSPI, UART, and FlexCAN interfaces.
- Display and Touchscreen Support: Features an LCD controller and integrated touchscreen controller.
- Security: Hardware-enabled security features for secure e-commerce and Digital Rights Management (DRM).
- Smart DMA Engine: A programmable Smart DMA (SDMA) controller with 32 DMA channels.
Applications
The MCIMX258CJM4A is versatile and can be used in a variety of applications, including:
- Industrial Automation: Suitable for industrial control systems, automation, and IoT devices.
- Consumer Electronics: Used in consumer products such as e-readers, portable media players, and other handheld devices.
- Medical Devices: Can be integrated into medical devices requiring high performance and low power consumption.
- Automotive Systems: Applicable in automotive infotainment and control systems.
- General Embedded Systems: Ideal for various embedded applications requiring a balance of performance and power efficiency.
Q & A
- What is the core architecture of the MCIMX258CJM4A?
The MCIMX258CJM4A features the ARM 926EJ-S core. - What is the maximum CPU speed of the MCIMX258CJM4A?
The maximum CPU speed is up to 400 MHz. - What types of memory does the MCIMX258CJM4A support?
The processor supports DDR2, MobileDDR, NOR Flash, PSRAM, SDRAM, SRAM, and NAND Flash. - Does the MCIMX258CJM4A have integrated security features?
Yes, it includes hardware-enabled security features for secure e-commerce and Digital Rights Management (DRM). - What display and touchscreen capabilities does the MCIMX258CJM4A have?
The processor features an LCD controller and an integrated touchscreen controller. - What is the purpose of the Smart DMA (SDMA) engine in the MCIMX258CJM4A?
The SDMA engine provides DMA capabilities with 32 DMA channels. - Does the MCIMX258CJM4A support Ethernet connectivity?
Yes, it includes a 10/100 Ethernet MAC. - What USB capabilities does the MCIMX258CJM4A have?
The processor supports HS USB 2.0 OTG and Host with PHY. - Can the MCIMX258CJM4A be used in automotive systems?
Yes, it is applicable in automotive infotainment and control systems. - What is the significance of the on-chip SRAM in the MCIMX258CJM4A?
The 128 KB on-chip SRAM helps in eliminating external RAM in applications with small footprint RTOS and enables ultra-low power LCD refresh.
