4-BIT MICROCONTROLLERS

Basic functions ● Instructions: maximum 105, minimum instruction execution time: 1.0μs ● ROM tabel look-up instruction ● 5-bit to 8-bit data conversion instruction ● Subroutine nesting: maximum 15 levels ● Interrupt sources: 2 external, 4 internal ● Interval timer ● Serial interface

4-BIT MICROCONTROLLERS

Basic functions ● Instructions: maximum 105, minimum instruction execution time: 1.0μs ● ROM tabel look-up instruction ● 5-bit to 8-bit data conversion instruction ● Subroutine nesting: maximum 15 levels ● Interrupt sources: 2 external, 4 internal ● Interval timer ● Serial interface

4-BIT MICROCONTROLLERS

Basic functions ● Instructions: maximum 105, minimum instruction execution time: 1.0μs ● ROM tabel look-up instruction ● 5-bit to 8-bit data conversion instruction ● Subroutine nesting: maximum 15 levels ● Interrupt sources: 2 external, 4 internal ● Interval timer ● Serial interface

4-BIT MICROCONTROLLERS

Basic functions ● Instructions: maximum 105, minimum instruction execution time: 1.0μs ● ROM tabel look-up instruction ● 5-bit to 8-bit data conversion instruction ● Subroutine nesting: maximum 15 levels ● Interrupt sources: 2 external, 4 internal ● Interval timer ● Serial interface

CMOS 4-BIT MICROCONTROLLER

TOSHIBA Original CMOS 4-Bit Microcontroller