Introduction
Motorola’s i.MX family of microprocessors has demonstrated leadership in the portable handheld market. Continuing this legacy, the i.MX series provides a leap in performance with an ARM9™ microprocessor core and highly integrated system functions. The i.MX products specifically address the requirements of the personal, portable product market by providing intelligent integrated peripherals, an advanced processor core, and power management capabilities.

Features
To support a wide variety of applications, the MC9328MX1 provides a robust array of features, including the following:
• ARM920T Microprocessor Core
• AHB to IP Bus Interfaces (AIPIs)
• External Interface Module (EIM)
• SDRAM Controller (SDRAMC)
• DPLL Clock and Power Control Module
• Three Universal Asynchronous Receiver/Transmitters (UART 1 UART 2 and UART 3)
• Two Serial Peripheral Interfaces (SPI)
• Two General-Purpose 32-bit Counters/Timers
• Watchdog Timer
• Real-Time Clock/Sampling Timer (RTC)
• LCD Controller (LCDC)
• Pulse-Width Modulation (PWM) Module
• Universal Serial Bus (USB) Device
• Multimedia Card and Secure Digital (MMC/SD) Host Controller Module
• Memory Stick® Host Controller (MSHC)
• SmartCard Interface Module (SIM)
• Direct Memory Access Controller (DMAC)
• Two Synchronous Serial Interfaces and Inter-IC Sound (SSI 1 and SSI 2/I2S) Module
• Inter-IC (I2C) Bus Module
• Video Port
• General-Purpose I/O (GPIO) Ports
• Bootstrap Mode
• Analog Signal Processing (ASP) Module
• Bluetooth Accelerator (BTA)
• Multimedia Accelerator (MMA)
• 256-pin MAPBGA Package

Target Applications
   The MC9328MX1 is targeted for advanced information appliances, smart phones, Web browsers, digital MP3 audio players, handheld computers based on the popular Palm OS platform, and messaging applications such as Motorolas wireless cellular products, including the AccompliTM 008 GSM/GPRS interactive communicator.