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SAM88RCRI PRODUCT FAMILY
Samsung's SAM88RCRI family 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.
A address/data bus architecture and a large number of bit-configurable I/O ports provide a flexible programming environment for applications with varied memory and I/O requirements. Timer/counters with selectable operating modes are included to support real-time operations.

S3C9444 MICROCONTROLLER
The S3C9444 single-chip 8-bit microcontroller is designed for useful A/D converter , SIO application field. The S3C9444 uses powerful SAM88RCRI CPU and S3C9444 architecture. The internal register file is logically expanded to increase the on-chip register space.
The S3C9444 has 2K/4K bytes of on-chip program ROM and 208 bytes of RAM. The S3C9444 is a versatile general-purpose microcontroller that is ideal for use in a wide range of electronics applications requiring simple timer/counter, PWM. In addition, the S3C9444's advanced CMOS technology provides for low power consumption and wide operating voltage range.
Using the SAM88RCRI design approach, the following peripherals were integrated with the SAM88RCRI core:

• Two configurable I/O ports (6 pins)
• Three interrupt sources with one vector and one interrupt level
• One 8-bit timer/counter with time interval mode
• Analog to digital converter with three input channels and 10-bit resolution

The S3C9444 microcontroller is ideal for use in a wide range of electronic applications requiring simple timer/counter, ADC. S3C9444 is available in a 8-pin DIP and a 8-pin SOP package.

MTP
The S3F9444 is an MTP (Multi Time Programmable) version of the S3C9444 microcontroller.
The S3F9444 has on-chip 4-Kbyte multi-time programmable flash ROM instead of masked ROM. The S3F9444 is fully compatible with the S3C9444, in function, in D.C. electrical characteristics and in pin configuration.

• CPU
  - SAM88RCRI CPU core
  - The SAM88RCRI core is low-end version of the current SAM87 core.
• Memory
  - 2/4-Kbyte internal program memory
  - 208-byte general purpose register area
• Instruction Set
  - 41 instructions
  - The SAM88RCRI core provides all the SAM87 core instruction except the word-oriented instruction, multiplication, division, and some one-byte instruction.
• Instruction Execution Time
  - 400 ns at 10 MHz fOSC (minimum)
• Interrupts
  - 3 interrupt sources with one vector
  - One interrupt level
• General I/O
  - Two I/O ports (Max 6 pins)
  - Bit programmable ports
• Built-in reset Circuit
  - Low voltage detector for safe reset
• Timer/Counters
  - One 8-bit basic timer for watchdog function
  - One 8-bit timer/counter with time interval modes
• A/D Converter
  - Three analog input pins
  - 10-bit conversion resolution
• Oscillation Frequency
  - 1 MHz to 10 MHz external crystal oscillator
  - Maximum 10 MHz CPU clock
  - Internal RC: 3.2 MHz (typ.), 0.5 MHz (typ.) in VDD = 5 V
• Operating Temperature Range
  - -25°C to + 85°C
• Operating Voltage Range
  - 2.0 V (LVR Level) to 5.5 V
• Smart Option
• Package Types
  - 8-DIP-300
  - 8-SOP-225