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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. Among the major CPU features are:

• Efficient register-oriented architecture
• Selectable CPU clock sources
• Idle and Stop power-down mode release by interrupt
• 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.

S3C80M4/F80M4 MICROCONTROLLER
The S3C80M4/F80M4 single-chip CMOS microcontroller is fabricated using the highly advanced CMOS process, Its design is based on the SAM88RC CPU core. Stop and Idle (Power-down) modes were implemented to reduce power consumption.

The S3C80M4 is a microcontroller with a 4K-byte mask-programmable ROM embedded.
The S3F80M4 is a microcontroller with a 4K-byte Flash ROM embedded.
Using a proven modular design approach, Samsung engineers have successfully developed the S3C80M4/F80M4 by integrating the following peripheral modules with the powerful SAM8 core:

• Two programmable I/O ports, including one 8-bit port, one 7-bit port (Total 15 pins).
• Four bit-programmable pins for external interrupts.
• One 8-bit basic timer for oscillation stabilization and watchdog functions (system reset).
• One 8-bit timer/counter.
• 8-bit high-speed PWM.

FLASH
The S3F80M4 microcontroller is available in Flash version. The S3F80M4 microcontroller has an on-chip FLASH ROM instead of a masked ROM. The S3F80M4 is comparable to the S3C80M4, both in function and in pin configuration.

• CPU
  - SAM88 RC CPU core
• Memory
  - Program Memory (ROM)
  - 4K X 8 bits program memory
  - Data Memory (RAM)
  - 128 X 8 bits data memory
• Instruction Set
  - 78 instructions
  - Idle and stop instructions added for power-down modes
• 15 I/O Pins
  - 15 normal I/O pins
  - Bit programmable ports
• Interrupts
  - 6 interrupt levels and 6 interrupt sources
• 8-Bit Basic Timer
  - Watchdog timer function
  - 4 kinds of clock source
• 8-Bit Timer/Counter 0
  - Programmable 8-bit internal timer
  - External event counter function
• 8-Bit High-Speed PWM
  - 8-bit PWM 1-ch
  - 6-bit base +2-bit extension
• Oscillation Sources
  - Crystal, ceramic, or RC for main clock
  - Main clock frequency: 0.4 MHz - 10 MHz
• Two Power-Down Modes
  - Idle: only CPU clock stops
  - Stop: selected system clock and CPU clock stop
• Power Consumption
  - RUM Mode: 4mA at 10MHz, 5V
  - Stop Mode: 100uA at 5V
• Instruction Execution Times
  - 400nS at 10 MHz fosc(minimum)
• Operating Temperature Range
  - -25°C to +85°C
• Operating Voltage Range
  - 2.4 V to 5.5 V at 0.4 - 4.2MHz
  - 2.7 V to 5.5 V at 0.4 - 10MHz
• Package Type
  - 20-DIP-300A, 20-SOP-375
  - 16-DIP-300A, 16-SOP-375
• IVC
  - Internal Voltage Converter for 5V operation