DESCRIPTION

The LH79524/LH79525, powered by an ARM720T, is a complete System-on-Chip with a high level of integration to satisfy a wide range of requirements and applications.

FEATURES

• Highly Integrated System-on-Chip

• High Performance: 76.205 MHz CPU Speed,

50.803 MHz maximum AHB clock (HCLK)

• 32-bit ARM720T™ RISC Core

– LH79524: 32-bit External Data Bus

– 208 LFBGA package

– LH79525: 16-bit External Data Bus

– 176 LQFP package

• 8 kB Cache with Write Back Buffer

• MMU (Windows CE™ Enabled)

• 16 kB On-Chip SRAM

• Flexible, Programmable Memory Interface

– SDRAM Interface

– 512 MB External Address Space

– 32-bit External Data Bus (LH79524)

– 16-bit External Data Bus (LH79525)

– SRAM/Flash/ROM Interface

– 15-bit External Address Bus

– 32-bit External Data Bus (LH79524)

– 16-bit External Data Bus (LH79525)

• Multi-stream DMA Controller

– Four 32-bit Burst-Based Data Streams

• Clock and Power Management

– 32.768 kHz Oscillator for Real Time Clock

– 10 MHz to 20 MHz Oscillator and On-chip PLL

– Active, Standby, Sleep, Stop1, and Stop2 Modes

– Externally-supplied Clock Options

• On-Chip Boot ROM

– Allows Booting from 8-, 16-, or 32-bit Devices

– NAND Flash Boot

• Low Power Modes

– Active Mode: 85 mA (MAX.)

– Standby Mode: 50 mA (MAX.)

– Sleep Mode: 3.8 mA (TYP.)

– Stop Mode 1: 420 A (TYP.)

– Stop Mode 2: 25 A (TYP.)

• USB Device

– Compliant with USB 2.0 Specifications (Full Speed)

– Four Endpoints

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