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.

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 × 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 .

• Operating Temperature: 40°C to +85°C

• 256-ball BGA or 256-ball LFBGA Package