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