MC9328MX21

The i.MX21 boasts a robust array of features that can support a wide variety of applications. Below is a brief description of i.MX21 features.
· ARM926EJ-S Core Complex
· enhanced Multimedia Accelerator (eMMA)
· Optional Security System
· Display and Video Modules
· LCD Controller (LCDC)
· Smart LCD Controller (SLCDC)
· CMOS Sensor Interface (CSI)
· Bus Master Interface (BMI)
· Wireless Connectivity
· Fast Infra-Red Interface (Fast IR)
· Wired Connectivity
· USB On-The-Go (USBOTG) Controller
· Four Universal Asynchronous Receiver/Transmitters (UART1, UART2, UART3, and UART4)
· Two Configurable Serial Peripheral Interfaces (CSPI1 and CSPI2) for High Speed Data Transfer
· Inter-IC (I2C) Bus Module
· Two Synchronous Serial Interfaces (SSI) with Inter-IC Sound (I2S)
· Digital Audio Mux
· One-Wire Controller
· Keypad Interface
· Memory Expansion and I/O Card Support
· Two Multimedia Card and Secure Digital (MMC/SD) Host Controller Modules
· Memory Interface
· External Interface Module (EIM)
· SDRAM Controller (SDRAMC)
· NAND Flash Controller (NFC)
· PCMCIA/CF Interface
· Standard System Resources
· Clock Generation Module (CGM) and Power Control Module
· Three General-Purpose 32-Bit Counters/Timers
· Watchdog Timer
· Real-Time Clock/Sampling Timer (RTC)
· Pulse-Width Modulator (PWM) Module
· Direct Memory Access Controller (DMAC)
· General-Purpose I/O (GPIO) Ports
· Debug Capability

Freescale's i.MX MC9328MX21  family of microprocessors has demonstrated leadership in the portable handheld market. Building on the success of the MX  MC9328MX21(Media Extensions) series, the i.MX21 MC9328MX21 (MC9328MX21) provides a leap in performance with an ARM926EJ-S™ microprocessor core that provides native security and accelerated Java support in addition to highly integrated system functions. The i.MX products specifically address the needs of the smartphone and portable product markets with their intelligent integrated peripherals, advanced processor core, and power management capabilities. The i.MX21 features the advanced and power-efficient ARM926EJ-S core operating at speeds up to 266 MHz and is part of a growing family of Smart Speed products that offer high performance processing optimized for lowest power consumption. On-chip modules such as a video accelerator module, LCD controller, USB On-The- Go, CMOS sensor interface, and two synchronous serial interfaces offer designers a rich suite of peripherals that can enhance any product seeking to provide a rich