FEATURES
· High-capacity ROM and RAM
· Instruction cycle:
0.45/0.89/1.78/3.56/7.11 ms (with crystal resonator of
fX = 4.5 MHz)
· Many internal hardware units
General-purpose I/O ports, A/D converter, serial
interface (I2C bus and UART mode), timers, frequency
counter, power-ON clear circuit
· Hardware for PLL frequency synthesizer
Dual modulus prescaler, programmable divider,
phase comparator, charge pump
· Vectored interrupt sources: 17
· Supply voltage
:VDD = 4.5 to 5.5 V (during PLL and CPU operations)
:VDD = 3.5 to 5.5 V (during CPU operation)