LC651432N

Ordering number : ENN6498 CMOS IC LC651432N/F/L, 651431N/F/L Four-Bit CMOS Microcontrollers for Small-Scale Control Applications Overview The LC651431N/F/L and LC651432N/F/L are the smallscale control models in Sanyo’s LC6500 Series of 4-bit microcontrollers and feature the same basic architecture and instruction set. These microcontrollers are appropriate for a wide range of applications, from applications that require only a limited number of circuits and controls and were previously implemented in standard logic to larger application such as audio equipment, including tape decks and disc players, office equipment, communication equipment, automotive equipment, and home appliances. Furthermore, since these products have equivalent basic functions (although there are differences in some functions and characteristics) and are pin compatible with the earlier LC6543N/F/L and LC6546N/F/L products, they can be used to replace those devices. Features Fabricated in a CMOS process for low power operation (Standby mode can be controlled by CPU instructions.) ROM/RAM LC651432N/F/L —ROM: 2 K × 8 bits, RAM: 128 × 4 bits LC651431N/F/L —ROM: 1 K × 8 bits, RAM: 64 × 4 bits Instruction set: The 80-instruction set common to the whole LC6500 Series Wide operating supply voltage range of 2.2 to 6.0 V (L versions) Instruction cycle time of 0.92 µs (F versions) On-chip serial I/O function Highly flexible I/O ports Number of ports — 7 ports (Up to 25 pins) All ports — Can be us...