RAM Mapping LCD Controller & Driver
| Common1111 | VDD | LCD Voltage | Duty | Bias | Serial Data | Built-in OSC. | Ext.Crystal1111 | vffff |
| HT1620 | 4 | 32 | 2.4V-3.3V | 3/2VDD | 1/2,1/3,1/4 | 1/2,1/3 | 1 | - | √ | 64QFP |
| HT1621 | 4 | 32 | 2.4V-5.2V | 3V-VDD | 1/2,1/3,1/4 | 1/2,1/3 | 1 | √ | √ | 28SKDIP,48DIP/SSOP/LQFP,Gold Bump |
| HT1622 | 8 | 32 | 2.7V-5.2V | 3V-VDD | 1/8 | 1/4 | 1 | √ | - | 64QFP |
| HT16220 | 8 | 32 | 2.7V-5.2V | 3V-VDD | 1/8 | 1/4 | 1 | - | √ | 64QFP |
| HT1623 | 8 | 48 | 2.7V-5.2V | 3V-VDD | 1/8 | 1/4 | 1 | √ | √ | 100QFP |
| HT1625 | 8 | 64 | 2.7V-5.2V | 3V-VDD | 1/8 | 1/4 | 1 | √ | √ | 100QFP |
| HT1626 | 16 | 48 | 2.7V-5.2V | 3V-VDD | 1/16 | 1/5 | 1 | √ | √ | 100QFP |
| HT1647 | 16 | 64 | 2.7V-5.2V | 3V-VDD | 1/16 | 1/4,1/5 | 4 | √ | √ | 100QFP |
| HT1650 | 32 | 64 | 2.7V-5.2V | 3V-VDD | 1/16,1/32 | 1/5,1/6 | 4 | √ | √ | 128QFP |
| HT1660 | 32 | 96 | 2.7V-5.2V | 3V-VDD | 1/16,1/32 | 1/5,1/6 | 4 | √ | √ | 160QP |
| HT1670 | 32 | 128 | 2.7V-5.2V | 3V-VDD | 1/16,1/32 | 1/5,1/6 | 4 | √ | √ | 208QFP |
| HT0610 | 33 | 120 | 2.4V-3.5V | 3xVDD-10.5V | 1/16,1/32,1/33 | 1/5,1/7 | 4 | √ | √ | TCP |