• Instruction execution time • Many interrupts

1.78 ms (with fX = 4.5-MHz crystal oscillator) External : 6 sources

• PLL frequency synthesizer Internal : 6 sources

Dual modulus prescaler (130 MHz MAX.), • Power-ON reset, CE reset, and power failure

programmable divider, phase comparator, charge detection circuit

pump • Supply voltage: VDD = 5 V ± 10

• Abundant peripheral hardware units

General-purpose I/O ports, serial interfaces, A/D

converter, D/A converter (PWM output), BEEP

output, frequency counter