M34506M4

4506 Group SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER REJ03B0106-0301 Rev.3.01 2005.02.07 DESCRIPTION The 4506 Group is a 4-bit single-chip microcomputer designed with CMOS technology. Its CPU is that of the 4500 series using a simple, high-speed instruction set. The computer is equipped with two 8-bit timers (each timer has a reload register), interrupts, and 10-bit A/D converter. The various microcomputers in the 4506 Group include variations of the built-in memory size as shown in the table below. FEATURES q Minimum instruction execution time ................................ 0.68 µs (at 4.4 MHz oscillation frequency, in high-speed mode) q Supply voltage .......................................................... 2.0 V to 5.5 V (It depends on the oscillation frequency and operating mode.) q Timers Timer 1 ...................................... 8-bit timer with a reload register Timer 2 ...................................... 8-bit timer with a reload register q Interrupt ........................................................................ 4 sources q Key-on wakeup function pins ................................................... 12 q Input/Output port ...................................................................... 14 q A/D converter .................. 10-bit successive comparison method q Watchdog timer q Clock generating circuit (ceramic resonator/RC oscillation) q LED drive directly enabled (port D) APPLICATION Electrical household appliance, consumer electronic p...