LH7A404中文資料恩智浦數(shù)據(jù)手冊PDF規(guī)格書

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