UPD17P709 Datasheet | NEC

FEATURES - - - patible with the µPD17704, µPD17705, µPD17707, µPD17708, and µPD17709 Built-in one-time PROM Supply voltage : 32K bytes (16384 × 16 bits) : VDD = 5 V ±10% ORDERING INFORMATION Part number Package 80-pin plastic QFP (14 × 14 mm, 0.65-mm pitch) µPD17P709GC-3B9 The information in this document is subject to change without notice. Document No. U10142EJ2V0DS00 (2nd edition) Date Published November 1996 P Printed in Japan The mark shows major revised points. © µPD17P709 FUNCTION OVERVIEW Item Product (1/2) µPD17705Note 12288 × 16 bits (masked ROM) µPD17704Note 8192 × 16 bits (masked ROM) µPD17707 µPD17708 16384 × 16 bits (masked ROM) µPD17709 µPD17P709 16384 × 16 bits (one-time PROM) Program memory (ROM) General-purpose data memory (RAM) 672 × 4 bits 1120 × 4 bits 1776 × 4 bits Instruction execution time 1.78 µs (with 4.5-MHz crystal) General-purpose ports - I/O ports : 46 - Input ports : 12 - Output ports : 4 - Address stack : 15 levels - Interrupt stack : 4 levels - DBF stack : 4 levels (operated by software) - External : 6 (CE rising edge and INT0 to INT4) - Internal : 6 (timers 0 to 3, serial interfaces 0 and 1) 5 - - - - channels Basic timer (clock: 10, 20, 50, 100 Hz) 8-bit timer with gate counter (clock: 1 k, 2 k, 10 k, 100 k Hz) 8-bit timer (clock: 1 k, 2 k, 10 k, 100 k Hz) 8-bit timer, also used for PWM (clock: 440 Hz, 4.4 k Hz) Stack...