Description
DATA SHEET µPD17072,17073 4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE FOR DIGITAL TUNING SYSTEM MOS INTEGRATED CIRCUIT .
µPD17072 and 17073 are low-voltage 4-bit single-chip CMOS microcontrollers containing hardware ideal for
organizing a digital tuning system.
Features
* 17K architecture: general-purpose register system
* Program memory (ROM) 6 KB (3072 × 16 bits): µPD17072 8 KB (4096 × 16 bits): µPD17073
* General-purpose data memory (RAM) 176 × 4 bits
* Instruction execution time 53.3 µs (with 75-kHz crystal resonator: normal oper