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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.

S3C830A MICROCONTROLLER
The S3C830A single-chip microcontroller are fabricated using the highly advanced CMOS process. Its design is based on the powerful SAM88RC CPU core. Stop and idle (power-down) modes were implemented to reduce power consumption.
The S3C830A is a microcontroller with a 48K-byte mask-programmable ROM embedded.
The S3P830A is a microcontroller with a 48K-byte one-time-programmable ROM embedded.
Using the SAM88RC modular design approach, the following peripherals were integrated with the SAM88RC CPU core:
- Large number of programable I/O ports (Total 72 pins)
- PLL frequency synthesizer
- 16-bits intermediate frequency counter
- Two synchronous SIO modules
- Two 8-bit timer/counters
- One 16-bit timer/counter
- Low voltage reset
- A/D converter with 4 selectable input pins

OTP
The S3C830A microcontroller is also available in OTP (One Time Programmable) version, S3P830A.
The S3P830A microcontroller has an on-chip 48K-byte one-time-programmable EPROM instead of masked ROM.
The S3P830A is comparable to S3C830A, both in function and in pin configuration.

• CPU
  - SAM88RC CPU core
• Memory
  - 2064-byte internal register file (including LCD display RAM)
  - 48K-byte internal program memory area
• Instruction Set
  - 78 instructions
  - Idle and Stop instructions
• 72 I/O Pins
  - 32 normal I/O pins
  - 40 pins sharing with LCD segment signals
• Interrupts
  - 8 interrupt levels and 17 internal sources
  - Fast interrupt processing feature
• 8-Bit Basic Timer
  - Watchdog timer function
  - 4 kinds of clock source
• Timer/Counter 0
  - Programmable 8-bit internal timer
  - External event counter function
  - PWM and capture function
• Timer/Counter 1
  - Programmable 8-bit interval timer
  - External event counter function
• Timer/Counter 2
  - Programmable 16-bit interval timer
  - External event counter function
• Watch Timer
  - Interval Time: 50ms, 0.5s, 1.0s at 4.5 MHz
  - 1/1.5/3/6 kHz buzzer output selectable
• Analog to Digital Converter
  - 4-channel analog input
  - 8-bit conversion resolution
• Two 8-bit Serial I/O Interface
  - 8-bit transmit/receive mode
  - 8-bit receive mode
  - Selectable baud rate or external clock source
• PLL Frequency Synthesizer
  - VIN level: 300mVpp (minimum)
  - AMVCO range: 0.5 MHz-30 MHz
  - FMVCO range: 30 MHz-150 MHz
• 16-Bit Intermediate Frequency (IF) Counter
  - VIN level: 300mVpp (minimum)
  - AMIF range: 100 kHz-1 MHz
  - FMIF range: 5 MHz-15 MHz
• LCD Controller/Driver
  - 40 segments and 4 common terminals
  - 4/3/2 common and static selectable
  - Internal or external resistor circuit for LCD bias
• Low Voltage Reset (LVR)
  - Low voltage check to make system reset
  - VLVR: 3.5 V (typical)
• Two Power-Down Modes
  - Idle mode: only CPU clock stops
  - Stop mode: system clock and CPU clock stop
• Oscillation Source
  - Crystal or ceramic for system clock (fx)
• Instruction Execution Time
  - 890 ns at 4.5 MHz (minimum)
• Operating Temperature Range
  - -25 °C to +85 °C
• Operating Voltage Range
  - 3.0 V to 5.5 V at 0.4 MHz-4.5 MHz
  - 4.5 V to 5.5 V in PLL/IFC block
• Package Type
  - 100-pin QFP package