Features of RHEA

   1. High performing 220MHz CPU mounted (Up to 220MHz)
   2. Wireless interface (UART, SDIO, CF)
   3. 2MB SDRAM embedded
   4. Shortened development period through GUI/UI solution
      (applicable for separate license)
   5. MIDI/3D solution (Optional)

 Key features

CPU architecture
   1) Integrated SoC for Hnad-Held/Embedded devices
   2) ARM926EJ-S core : Max 200MHz
   3) External memory interface : Max 100 MHz 
   4) D-cache / 8KB I-Cache with MMU for supporting  MicroC/OS-II, Linux
   5) AMBA2.0, AHB/APB architecture
   6) Supply voltage for logic core : 1.2V
   7) External I/O interface : 1.8 ~ 3.3V

Memory subsystem
   1) SDRAM interface
     •16-bit Data Width, Up to 100 MHz interface,
     • 1x16bits(2Mbytes) Memory MCP
2) SD/MMC Card interface
     • SD memory card protocol 1.0 compatible
     • DMA / interrupt based operation
     •64B of Tx / Rx FIFO
3) CF+ Card interface
4) Static Memory (Nor flash, SRAM, Rom, etc) interface

System peripherals
   1) IIC : Supports single master mode, Software controlled data rate
   2) UART
   •Offers similar functionality to 16C550 UART device
   • Supports baud rates of up to 460.8Kbits/s
   • Supports 2 channels
   3) GPIO : Supports SW configurable GPIO, GPIO number : max 63 ports
   4) Clock controller
   •All block can be controlled by Clock controller
   • Embedded 1 PLL
   5) Watchdog timer
   • 16-bit counter for clock divider output
   • Reset / Interrupt signal generation (up to 1msec)
   • Single / repeat mode reset                       
   6) Timer
   •One time / continuous mod, Single / dual maximum mode
   • Programmable duty cycle / frequency / polarity
   • Supports 4 channels 
   7)  SSP : 16 bytes(8 Word)
   8)  GDMA : Supports 1 channel
   •Stream Operation : Stream Merge, Search Pattern, Level Shift
   9) Interrupt controller   
   • Active low / active high / edge-triggered / level-triggered
   • Supports FIQ/IRQ, Supports masking of each sources
   •Supports user-defined priority
   • Supports maximum 4 channel external interrupt 
  10)   Package : 144 pin FBGA (13mm X 13mm)

 RHEA Functional Specifications

 Application

 Application: DCT Phone ¹× CoIP(Cordless over IP) Phone Handset 

Other applications
   1) MP3P
   2) ARM-based devices
   3) Wireless media device

 Application Block Diagram