The RA6963 is a dot matrix LCD Controller which fully compatible with T6963C. It supports various LCD Driver for standard or custom-made LCD module. The RA6963 built-in a 256-word CG (Character Generator) ROM that for ASCII, Japanese and numeric display in Text mode. It also supports Graphics mode and mixed display with Text. The supported maximum external display RAM is 64Kbyte and the display Window can be moved freely within the allocated memory range. The RA6963 has an 8-bit parallel data bus that can be directly connected to an 8080 series MCU.

The RA6963 supports a very broad range of LCD formats by allowing selection of different combinations via a set and combination text-and-graphic modes, and includes various attribute functions.


Support Display Range :
 Columns - 32, 40, 64, 80
 Rows - 2, 4, 6, 8, 10, 12,14,
     16, 20, 24, 28, 32

8-bit of 8080 MPU interface

Built-in 256-word Font ROM :
Basic ASCII/Japanese/Numeric

Max. 64Kbyte External Display SRAM

Character/Graphics and Mixed Mode

Font Size :
 Horizontal -> 5, 6, 7, 8 Pixels
 Vertical -> 8 Pixels

Bold Font and Reverse Display

Support Various LCD Driver

Support 1/16 ~1/128 Duty

Built-in X'tal Oscillator or Using External Clock

Related product Specification
Functions RA6963 RA8835A
Product Guide RA6963 : PDF RA8835A : PDF
Resolution(Max) External display RAM 64KB max External display RAM Up to 640x256 pixel
Operation Voltage 4.5~5.5V 2.7~5.5V
MPU Interface 8-bit ,8080 8-bit 6800,8080
Graphic / Text Graphic/ Text Graphic/ Text
Embedded Font RAM CGROM (128 word) CGROM (160 word)
Character Font Horizontal: 5, 6, 7, 8 Vertical: 8 (fixed) 5 x 7
Horizontal Scroll V V
Vertical Scroll V V
Read/Write Display Data V V
S/W & H/W Reset V V
Clock Source X’tal OSC X’tal OSC
CLK (MHz) 0.4~8 1~18
Package LQFP67 QFP60/TQFP60
Operation Temperature -30 ~ +85℃ -30 ~ +80℃
Compatible T6963C S1D13305