UPD17P068 Datasheet | NEC

FEATURES - patible with the µPD17068 - One-time PROM : 12160 × 16 bits - Operating voltage : VDD = 5 V ± 10 % ORDERING INFORMATION Part Number Package 100-pin plastic QFP (14 × 20mm) µ PD17P068GF-3BA The information in this document is subject to change without notice. Document No. U10336EJ1V0DS00 Date Published November 1995 P Printed in Japan © µPD17P068 FUNCTIONAL OUTLINE Part Number Item µPD17068 Mask ROM µPD17P068 One-time PROM Program memory (ROM) - 12160 × 16 bits Table reference area: 12160 × 16 bits - 6144 × 16 bits - 1007 × 4 bits (including area serving also as VRAM) Data buffer: 4 × 4 bits, general register: 16 × 4 bits - 672 × 4 bits (also used as data memory (RAM)) - 12 × 4 bits - 12 × 4 bits - 12 × 4 bits - 2 µs (when using 8-MHz crystal resonator) - 12 levels (stack manipulation possible) - I/O ports - Input ports - Output ports : 19 : 4 : 21 : 192 characters max. per screen (up to 350 characters with program) : 16 × 16-dot mode 15 lines × 24 columns : 14 × 16-dot mode 17 lines × 24 columns : 255 types (user programmable) : 16 × 16 dots and 14 × 16 dots selectable (2 dots can be placed between characters) : 15 colors : Vertical : 16 sizes (specifiable for each line) Horizontal : 24 sizes (specifiable for each character) Character ROM (CROM) Data memory (RAM) Video RAM (VRAM) System register Register file General port register Instruction execution time Stack levels General ports - Number of displayable characters - Display format IDC (Image Display Controller) - Character types - Character format - Color - Character...