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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