SAMSUNG\'s S3C44B0X 16/32-bit RISC microprocessor is designed to provide a cost-effective and high performancemicro-controller solution for hand-held devices and general applications. To reduce total system cost, S3C44B0Xalso provides the following: 8KB cache, optional internal SRAM, LCD controller, 2-channel UART with handshake, 4-channel DMA, System manager (chip select logic, FP/ EDO/SDRAM controller), 5-channel timers with PWM, I/Oports, RTC, 8-channel 10-bit ADC, IIC-BUS interface, IIS-BUS interface, Sync. SIO interface and PLL for clock.The S3C44B0X was developed using a ARM7TDMI core, 0.25 um CMOS standard cells, and a memory compiler. Itslow-power, simple, elegant and fully static design is particularly suitable for cost-sensitive and power sensitiveapplications. Also S3C44B0X adopts a new bus architecture, SAMBA II (SAMSUNG ARM CPU embeddedMicrocontroller Bus Architecture).An outstanding feature of the S3C44B0X is its CPU core, a 16/32-bit ARM7TDMI RISC processor (66MHz) designedby Advanced RISC Machines, Ltd. The architectural enhancements of ARM7TDMI include the Thumb de-compressor, an on-chip ICE breaker debug support, and a 32-bit hardware multiplier.By providing a complete set of common system peripherals, the S3C44B0X minimizes overall system costs andeliminates the need to configure additional components. The integrated on-chip functions that are described in thisdocument are as follows:
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