UPD16432B

DATA SHEET MOS INTEGRATED CIRCUIT µPD16432B 1/8, 1/15 DUTY LCD CONTROLLER/DRIVER DESCRIPTION The µPD16432B is a controller/driver with 1/8 and 1/15 duty dot matrix LCD display capability. It has 60 segment outputs, 10 common outputs, and 5 dual segment/common outputs, giving a maximum display capability of 12 columns × 2 lines (at 1/15 duty). LED drive outputs, key scanning key source outputs, and key data inputs are also provided, making it ideal for use in a car stereo front panel, etc. FEATURES Dot matrix LCD controller/driver Pictograph display segment drive capability (max. 64) LCD driver unit power supply VLCD independently settable (Max. 10 V) On-chip key scan circuit (8 × 4 matrix) Alphanumeric character and symbol display capability provided by on-chip ROM (5 × 7 dots) 240 characters + 16 user-defined characters Display contents 1/8 duty: 13 columns × 1 line, 64 pictograph displays, 4 LEDs 1/15 duty: 12 columns × 2 lines, 60 pictograph displays, 4 LEDs Serial data input/output (SCK, STB, DATA) On-chip oscillator Reduced power consumption possible using standby mode ORDERING INFORMATION Part Number Package 100-pin plastic QFP (0.5 pitch, 14 × 14), Standard ROM code µPD16432BGC-001-9EU Document No. S11092EJ5V0DS00 (5th edition) Date Published April 1998 N CP(K) Printed in Japan © 1998 µPD16432B BLOCK DIAGRAM SEG61/COM14 SEG65/COM10 SEG1/KS1 SEG8/KS8 SEG9 SEG60 COM9 4 LED Driver 4 4-Bit LED Output Latch 4 5 5 Segment Driver 65 5 Co...