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MiMagic NMS7040/41 handheld device system-on-chip
[Vendor: NeoMagic]

The MiMagic System-on-Chip (SOC) is a highly integrated solution targeted at handheld Internet Appliance devices. The heart of the SOC incorporates a 32-Bit RISC CPU core, a high performance 128-bit hardware BitBLT engine for speedy processing and data display and 4 megabytes of built-in embedded DRAM. The SOC also integrates DMA, memory, interrupt, touch screen, audio, LCD, and TV-out (requires external encoder) controllers, a three-port USB host controller (transceivers included), plus a host of timers and peripheral interfaces. The SOC provides the capability to expand memory (Flash / ROM / SDRAM) memory externally up to a total of 512MB.

The primary user interface is accommodated through the use of inputs to the touch screen. The MiMagic SOC is an ideal candidate for personal entertainment devices, smart handheld devices, and WebPAD applications requiring efficient multimedia processing.

Operation of the MiMagic SOC is supported by Embedded Linux, to provide customers with a working development platform with exceptional functionality at a reasonable cost.

Specification summary . . .
  • Processor:

    • MIPS32 4Kc 32-bit RISC CPU
    • MMU/TLB
    • 16KB 4-way set-associative I-cache
    • 16KB 4-way set-associative D-cache
    • 32 x 16 Multiply & Divide Unit

  • Graphics/video subsystem:

    • 2D graphics engine (NMS7040)
    • 3D graphics engine (NMS7041)
    • drives CRT/LCD and TV (requires ext. encoder)
    • Max LCD resolution 1024x768 in 24 bpp
    • Max RGB TV resolution 800x600 in 16 bp

  • Embedded DRAM controller:

    • 4MB internal eDRAM
    • supports up to 512MB external expansion

  • Audio controller:

    • 8-channel ADP CM decode/playback
    • 1-channel record

  • Other controllers:

    • Interrupt controller
    • DMA controller
    • 3 USB device ports with on-chip tranceivers
    • Analog touch-screen controller
    • Dual RS232-compatible UARTs
    • Dual 32-bit timers, R TC and WDT
    • Dual analog joysticks
    • General purpose digital I/O

  • Three power management modes


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