Description

The SN8F2271BJ is an 8-bit micro-controller with low power consumption and high performance. It features CMOS technology and has an excellent IC structure. The chip has a program memory of up to 2K/1K-word OTP ROM, 64 bytes of data memory, one 8-bit T0 basic timer, one 8-bit timer/event counter, a watchdog timer, three interrupt sources (T0, TC0, INT0), 13 I/O pins, and 8 levels stack buffer. The user can choose different oscillator configurations, including high-performing crystal, ceramic resonator, or cost-saving RC.

Specifications and features

• Memory configuration:
  • OTP ROM size: 2048 * 16 bits for SN8P021X series
  • OTP ROM size: 1024 * 16 bits for SN8P011X series
  • RAM size: 64 * 8 bits
• I/O pin configuration (Total 13 pins):
  • One input port: 1 pin with wakeup function
  • Two Input/output ports: 12 pins
• 56 powerful instructions:
  • All instructions are 1 word with 1 or 2 cycles execution
  • Execution time: 1 cycle uses 4 clocks of oscillator
  • All ROM area JMP instruction
  • All ROM area Subroutine CALL instruction
  • All ROM area lookup table function (MOVC instruction)
• Three interrupt sources:
  • Two internal interrupts: T0, TC0
  • One external interrupt: INT0
• Eight levels stack buffer
• An 8-bit basic timer
• An 8-bit timer/event counter
• A watchdog timer
• Acceptable oscillator type:
  • Crystal or ceramic resonator up to 8MHz
  • RC oscillator up to 2 MHz
• Package:
  • PDIP: 16, 18, 20

Application Scenarios

The SN8F2271BJ can be used in various electronic applications that require low power consumption and high performance. It is suitable for projects that need an 8-bit micro-controller with program memory, data memory, timers, and interrupt capabilities. The different oscillator configurations make it versatile for different system clock needs.

Comparison

• Low power consumption
• High performance
• Flexible oscillator configurations
• Multiple interrupt sources
• Ample I/O pins

• Limited program memory size
• Limited data memory size