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Chapter 3
LH75411 SoC
3.1 LH75411 Features
• ARM7TDMI-S™ Core
• Up to 70 MHz System Clock (HCLK)
– Internal PLL Driven or External Clock Driven
– Crystal Oscillator/Internal PLL Can Operate with Input Frequency Range of
14 MHz to 20 MHz.
• 32KB On-chip SRAM
– 16KB Tightly Coupled Memory (TCM) SRAM
– 16KB Internal SRAM.
• Clock and Power Management
– Low Power Modes: Standby, Sleep, Stop.
• Eight Channel, 10-bit A/D Converter
• Integrated Touch Screen Controller
• Four DMA Channels
• Color and Grayscale LCD Controller
– 12-bit (4096) Direct Mode Color, up to VGA (640 × 480 Dots per Inch)
– 8-bit (256) Direct or Palletized Color, up to SVGA (800 x 600 DPI)
– 4-bit (16) Direct Mode Color/Grayscale, up to XGA (1024 x 768 DPI)
– 12-bit Video Bus
– Supports Supertwist Nematic (STN), Thin Film Transistor (TFT), High Reflective TFT
(HR-TFT), and Advanced TFT (AD-TFT) Displays.
• Serial interfaces
– Two 16C550-type UARTs
– One 82510-type UART.
• Synchronous Serial Port (SSP)
– Motorola SPI™
– National Semiconductor Microwire™
– Texas Instruments SSI.
• Real-Time Clock (RTC)
• Three Counter/Timers
– Capture/Compare/PWM Compatibility
– Watchdog Timer (WDT).
• Low-Voltage Detector
• JTAG Debug Interface and Boundary Scan
7/2/03
3-1
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