DESCRIPTION

The advent of 3G technology opens up a wide range of multimedia applications in mobile information appliances. The LH7A404 is designed from the ground up with a 32-bit ARM922 Core to provide high processing performance, low power consumption, and a high level of integration. Features include 80 kB on-chip SRAM, fully static design, power management unit, low voltage (1.8 V Core, 3.3 V I/O) and on-chip PLL.

FEATURES

• 32-bit ARM9TDMI™ RISC Core

– 16 kB Cache: 8 kB Instruction and 8 kB Data Cache

– MMU (Windows CE™ Enabled)

– Up to 266 MHz; See Table 1 for speed options

• 80 kB On-Chip Static RAM

• Vectored Interrupt Controller

• External Bus Interface

– Up to 133 MHz; See Table 1 for bus speed options

– Asynchronous and Synchronous interface RAM,

Flash, PC Card and 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

• 9 Channel, 10-bit A/D Converter

– Touch Screen Controller

– Brownout Detector

• DMA (12 Channels)

– External DMA Channels

– AC97

– MMC

– USB

• USB 2.0 Full Speed Host (two downstream ports)

• USB 2.0 Full Speed Device

• Synchronous Serial Port (SSP)

– Motorola SPI™, Texas Instruments SSI, National

Semiconductor MICROWIRE™

• On-board Boot ROM

– Variety of Boot Modes: external ROM, NAND

Flash, Serial EEPROM, or XMODEM

• PS/2 Keyboard/Mouse Interface (KMI)

• Three Programmable Timers

• Three UARTs, one with Classic IrDA (115 kbit/s)

• Smart Card Interface (ISO7816)

• Four Pulse Width Modulators (PWMs)

• MultiMediaCard Interface with Secure Digital

(MMC 2.11/SD 1.0)

• AC97 Codec Interface

• Smart Battery Monitor Interface

• Real Time Clock (RTC)

• Up to 64 General Purpose I/O Channels

• Watchdog Timer

• JTAG Debug Interface and Boundary Scan

• Operating Voltage

– 1.8 V (200 MHz), 2.1 V (266 MHz) Core

– 3.3 V Input/Output (Except XTALIN is 1.8 V)

• 5 V Tolerant Digital Inputs (excludes oscillator pins)

– Oscillator pins T19, T20, Y18, Y19: 1.8 V ± 10

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

• 324-Ball LFBGA Package