
Cirrus Logic
OVERVIEW
The EP9307 is an ARM920T-based system-on-a-chip (SOC) design with a large peripheral set targeted to a variety of applications:
• Thin client computers for business and home
• Internet radio
• Internet access devices
• Industrial computers
• Specialized terminals
• Point of sale terminals
• Test and measurement equipment
The ARM920T microprocessor core with separate 16- kbyte, 64-way set-associative instruction and data caches is augmented by the MaverickCrunch™ coprocessor, enabling high-speed floating point calculations.
FEATURES
• 200-MHz ARM920T Processor
• 16-kbyte Instruction Cache
• 16-kbyte Data Cache
• Linux®, Microsoft® Windows® CE-enabled MMU
• 100-MHz System Bus
• MaverickCrunch™ Math Engine
• Floating Point, Integer and Signal Processing Instructions
• Optimized for digital music compression and decompression algorithms.
• Hardware interlocks allow in-line coding.
• MaverickKey™ IDs
• 32-bit unique ID can be used for DRM-compliant, 128-bit random ID.
• Integrated Peripheral Interfaces
• 32-bit SDRAM Interface (up to 4 banks)
• 32/16-bit SRAM/FLASH/ROM
• Serial EEPROM Interface
• 1/10/100 Mbps Ethernet MAC
• Three UARTs
• Three-port USB 2.0 Full-speed Host (OHCI) (12 Mbits per second)
• IrDA Interface
• LCD and Raster Interface with Graphics Accelerator
• Touchscreen Interface with ADC
• 8 x 8 Keypad Scanner
• One Serial Peripheral Interface (SPI) Port
• 6-channel or 2-channel Serial Audio Interface (I2S)
• 2-channel, Low-cost Serial Audio Interface (AC97)
• Internal Peripherals
• 12 Direct Memory Access (DMA) Channels
• Real-time Clock with Software Trim
• Dual PLL controls all clock domains.
• Watchdog Timer
• Two General-purpose 16-bit Timers
• One General-purpose 32-bit Timer
• One 40-bit Debug Timer
• Interrupt Controller
• Boot ROM
• Package
• 272 pin TFBGA