HT1647    4-level Gray Scale 64x16 LCD Controller for I/O MCU

Revision # 1.30   Modifications made on November 10, 2005

• A Technical Document section was added.
• At the D.C. Characteristics table, the Max. value for the R_PH was modified.
• The package Information section was added.

Revision # 1.20   Modifications made on September 17, 2004

• The LCD Controller Product Line Selection Table was deleted.
• At the D.C. Characteristics Table, the Test Condition values for the LCD Sink/Source Currents; I_OL3, I_OH3, I_OL4, and I_OH4 were updated.
• At the A.C. Characteristics Table, the Test Condition values for the LCD Frame Frequency; f_LCD1, f_LCD2 and f_LCD3 were updated.
• Tables 1 and 2 for the Frame 89Hz mode and Frame 170Hz mode were transferred from p.15 to p.11 under the Gray Scale display section.

Revision # 1.10   Modifications made on May 4, 2000

• The internal resistor type bias generator configurations or the resistor circuitry was changed.
• Some items and/or labels on the Application Circuits were updated.