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LH79524/LH79525


INTRODUCTION | SPECIFICATION | PACKAGE | SUPPORT

LH79524/LH79525

System-on-Chip with ARM720T microcontroller, 16KB SRAM, LCD controller up to true color or XGA, touch screen controller, MMU, AHB, APB, 32-bit external memory interface, USB 1.1 full speed device, 10/100 ethernet, I 2 C, 10-bit ADC

LH79524/79525 System-on-Chip with ARM720T microcontroller, 16KB SRAM, LCD controller up to true color or XGA, touch screen controller, MMU, AHB, APB, 32-bit external memory interface, USB 1.1 full speed device, 10/100 ethernet, I 2 C, 10-bit ADC

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. The SoC has a fully static design, power management unit, and low voltage operation (1.8 V Core, 3.3 V I/O). With the on-chip voltage regulator, a single 3.3 V supply can be used as well. Robust peripherals and a low-power RISC core provide high performance at a reasonable price.

< 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 uA (TYP.)
    • Stop Mode 2: 25 uA (TYP.)
  • USB Device
    • Compliant with USB 2.0 Specifications (Full Speed)
    • Four Endpoints
  • Ethernet MAC, with MII and MDIO Interfaces
    • IEEE 802.3 Compliant
    • 10 and 100 Mbit/s Operation
  • Analog-to-Digital Converter/Brownout Detector
    • 10-bit ADC
    • Pen Sense Interrupt
    • Integrated Touch Screen Controller (TSC)
  • I 2 C Module
  • Integrated Codec Interface Support Features (I 2 S)
  • Watchdog Timer
  • Vectored Interrupt Controller
    • 16 Standard and 16 Vectored IRQ Interrupts
    • Interrupts Individually Configurable as IRQ or FIQ
  • Three UARTs
    • 16-entry FIFOs for Rx and Tx
    • IrDA SIR Support on all UARTs
  • Three 16-bit Timers with PWM capability
  • Real Time Clock
    • 32-bit Up-counter with Programmable Load
    • Programmable 32-bit Match Compare Register
  • Programmable General Purpose I/O Signals
    • LH79524: 108 available pins on 14 ports
    • LH79525: 86 available pins on 12 ports
  • Programmable Color LCD Controller
    • 16 (LH79524) or 12 (LH79525) Bits-per-Pixel
    • Up to 800 x 600 resolution
    • STN, Color STN, HR-TFT, AD-TFT, TFT
    • TFT: Supports 64 k (LH79524) or 4 k (LH79525) Direct Colors or 256 colors selected from a Palette of 64 k Colors; 15 Shades of Gray
    • Color STN: Supports 3,375 Direct Colors or 256 Colors Selected from a Palette of 3,375 Colors
  • Synchronous Serial Port
    • Supports Data Rates Up to 1.8452 Mbit/s
    • Compatible with Common Interface Schemes
  • JTAG Debug Interface and Boundary Scan
  • 5 V Tolerant Digital Inputs (excludes oscillator pins)
    • XTALIN and XTAL32IN pins are 1.8 V +- 10pct
  • On-Chip regulator allows single 3.3 V supply

< Block Diagrams >

< Pinning >

Product
Ordering Code
LH79524N0E100A0 9352 850 41551
LH79524N0F100A0 9352 850 39551
LH79524N0F100A1 9352 850 53551
LH79525N0M100A0 9352 850 42551
LH79525N0Q100A0 9352 850 43551
LH79525N0Q100A1 9352 850 52551
- Applica Notes -  
- AN10256-2 Using IAP for LPC2000 ARM devices
   
- Support Documents-  
- LH79524/LH79525 Static Memory System Design
- H79525 Driving Color STN Displays with the LH79525
- LH7xxxx Interfacing the Static Memory Controller with I/O Devices
- Software Board Support Package for the LH79524/LH79525/SDK79524
- 75016051: The choice for embedded Technologies
- LH79524, LH79525 User Manual
- LH79524, LH79525 Errata Sheet

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