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S3C8-SERIES MICROCONTROLLERS Samsung's S3C8-series of 8-bit single-chip CMOS microcontrollers offers a fast and efficient CPU, a wide range of integrated peripherals, and various mask-programmable ROM sizes. The major CPU features are:

- Efficient register-oriented architecture
- Selectable CPU clock sources
- Idle and Stop power-down mode released by interrupt or reset
- Built-in basic timer with watchdog function

A sophisticated interrupt structure recognizes up to eight-interrupt levels. Each level can have one or more interrupt sources and vectors. Fast interrupt processing (within a minimum of four CPU clocks) can be assigned to specific interrupt levels.

S3C8489/C848A/P848A MICROCONTROLLER
The S3C8489/C848A/P848A single-chip CMOS microcontrollers are fabricated using the highly advanced CMOS process technology based on Samsung’s latest CPU architecture.

The S3C8489 is a microcontroller with a 32K-byte mask-programmable ROM embedded.
The S3C848A is a microcontroller with a 48K-byte mask-programmable ROM embedded.
The S3P848A is a microcontroller with a 48K-byte OTP ROM embedded.

Using a proven modular design approach, Samsung engineers have successfully developed the S3C8489/C848A/P848A by integrating the following peripheral modules with the powerful SAM8 core:

- Seven programmable I/O ports, including seven 8-bit ports for a total of 56 pins.
- Fourteen bit-programmable pins for external interrupts.
- One 8-bit basic timer for oscillation stabilization and watchdog function (system reset).
- Four 8-bit timer/counter and two 16-bit timer/counter with selectable operating modes.
- Two asynchronous UART
- One synchronous SIO
- One Watch timer for real-time clock
- One Pattern generation Module
- 10-bit 8-channel A/D converter

The S3C8489/C848A/P848A is versatile microcontroller for home appliances and ADC applications, etc. They are currently available in 64-pin QFP and 64-pin SDIP package.