* Program memory (ROM)
* µPD63 : 512 × 10 bits
* µPD63A: 768 × 10 bits
* µPD64 : 1002 × 10 bits
* Data memory (RAM): 32 × 4 bits
* Built-in carrie.

Equipped with low-voltage 1.8 V operation, a carrier generation circuit for infrared remote control transmission, a standby release function through key entry, and a programmable timer, the µPD63, 63A, and 64 are suitable for infrared remote control .

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