Abstract: In a programmable logic device having a programmable logic array 15 adapted to receive a plurality of input signals and provide a plurality of output signals (product terms) through an AND logic which depend on the input signals and information stored in the logic array and a macrocell associated with the logic array, the macrocell including a first OR gate group 11 including a plurality of OR gates, each for ORing the predetermined number of the product terms from the logic array; a demultiplexor group 12 including a plurality of demultiplexors each coupled to output of the corresponding OR gate in the first OR gate group 11, each for generating two or more output signals per one input signal; a second OR gate group 13 including a plurality of OR gates each coupled to a corresponding one of outputs of each of the plurality of demultiplexors, each for ORing the corresponding outputs from the plurality of demultiplexors to form a sum data path for the product terms; and an input/output circuit 14 for receiving

Abstract: Air conditioning and heating system drives convection fan motor to control distribution of indoor temperature by controlling device with the first sensor and the second sensor, wherein the first sensor and the second sensor is individually connected to controlling device of air conditioning and heating set, and radio transmission device is attached to air conditioning and heating set and remocon. According to difference of temperature between remocon and air conditioning and heating set, main controlling device controls convection motor, electronic pump, driver controlling portion. It has higher heat efficiency by dividing operation of emitting heat and cooling device into more steps.