LH7A400

General description

The LH7A400, powered by an ARM922T, is a complete System-on-Chip with a high level of integration to satisfy a wide range of requirements and expectations.

This high degree of integration lowers overall system costs, reduces development cycle time and accelerates product introduction.

Features

• 32-bit ARM9TDMI ^™ RISC Core
  • 16 kB Cache: 8 kB Instruction and 8 kB Data
  • MMU (Windows CE^™ Enabled)
  • Up to 250 MHz; see Table 1 for options
• 80 kB On-Chip Static RAM
• Programmable Interrupt Controller
• External Bus Interface
  • Up to 125 MHz; see Table 1 for options
  • Asynchronous SRAM/ROM/Flash
  • Synchronous DRAM/Flash
  • PCMCIA
  • CompactFlash
• Clock and Power Management
  • 32.768 kHz and 14.7456 MHz Oscillators
  • Programmable PLL
• Programmable LCD Controller
  • Up to 1,024 x 768 Resolution
  • Supports STN, Color STN, AD-TFT, HR-TFT, TFT
  • Up to 64 k-Colors and 15 Gray Shades
• DMA (10 Channels)
  • AC97
  • MMC
  • USB
• USB Device Interface (USB 2.0, Full Speed)
• Synchronous Serial Port (SSP)
  • Motorola SPI^™
  • Texas Instruments SSI
  • National MICROWIRE^™
• Three Programmable Timers
• Three UARTs
  • Classic IrDA (115 kbit/s)
• Smart Card Interface (ISO7816)
• Two DC-to-DC Converters
• MultiMediaCard^™ Interface
• AC97 Codec Interface
• Smart Battery Monitor Interface
• Real Time Clock (RTC)
• Up to 60 General Purpose I/Os
• Watchdog Timer
• JTAG Debug Interface and Boundary Scan
• Operating Voltage
  • 1.8 V Core
  • 3.3 V Input/Output
• 5 V Tolerant Digital Inputs (except oscillator pins)
  • Oscillator pins P15, P16, R13, and T13 are 1.8 V +- 10 pct.
• Operating Temperature: -40Cel to +85Cel
• 256-ball BGA or 256-ball LFBGA Package

Products/packages

Products in the above table are all in production. Some variants are discontinued; click here for information on these variants.

Pricing/ordering/availability

Technical documents

Support Documents

lh7a400; IBIS model of LH7A400 ()

75016054; NXP 266-MHz ARM9 microcontroller with integrated LCD controller LH7A40x (2007-06-01)

75016051; The choice for embedded technologies (2007-07-01)

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