HT1621B controller equivalent, ram mapping 32x4 lcd controller.
Operating voltage: 2.4V ~ 5.2V Built-in 256kHz RC oscillator External 32.768kHz crystal or 256 kHz frequency source input Selection of 1/2 or 1/3 bias, and selection of 1.
Internal time base frequency sources Two selectable buzzer frequencies (2kHz/4kHz) Power down command reduces power cons.
The HT1621 is a 128 pattern (32x4), memory mapping, and multi-function LCD driver. The S/W configuration feature of the HT1621 makes it suitable for multiple LCD applications including LCD modules and display sub-systems. Only three or four lines are.
Image gallery
TAGS
Download (Size : 301.86KB)