VK1621B/VK1622 is a perfect replacement for HT1621B/HT1622, and is compatible with all packaged chips, die, wafers, bonding COB chips, etc.

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VK1621B/VK1622 is a perfect replacement for HT1621B/HT1622, and is compatible with all packaged chips, die, wafers, bonding COB chips, etc. [Copy link]

Product model: VK1621B

Product brand: VINTE/VINKA/Yuantai

Package: LQFP48 LQFP44 SSOP48DIP28 DICE/Bare chip COB Bonding chip Custom COG

Engineering services, technical support

VK1621B is a 128-mode (32x4), memory-mapped and multi-function LCD driver. The S/W configuration features of the VK1621 make it suitable for a variety of LCD applications including LCD display modules and display subsystems. Only three or four-wire host controllers are required to connect the VK1621 interface. VK1621 includes a power-off command to reduce power consumption. VK1621 Features: ★ Operating voltage: 2.4V ~ 5.2V ★ Built-in RC oscillator ★ External 32.768kHz crystal or frequency source input ★ 1/2 or 1/3 bias selection, and 1/2 or 1/3 or 1/4 LCD display application selection ★ Internal time base frequency source ★ Two selectable buzzer frequencies (2/3) ★ Shutdown command to reduce power consumption ★ Built-in time base generator and watchdog ★ Time base or WDT overflow output ★ 8 time base/timer clock sources ★ 32x4 LCD Driver★Built-in 32x4-bit display RAM★ Three-wire serial interface★ Internal LCD drive frequency source★Software configuration features★ Automatic increment of R/W address for data mode and command mode instructions★Three data access modes★Provide VLCD pin to adjust LCD operating voltage★

★ This product description is a functional introduction!

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Product model: VK1622

Product brand: VINTE/VINKA/Yuanta

Package: QFP64 LQFP64 LQFP44LQFP52 LQFP48 DICE Bare chip COB Bonding chip custom COG

Engineering service, technical support

Overview: VK1622 is a 32x8 LCD driver. It can be controlled by software program and is suitable for various LCD application circuits. Only 3 to 4 signal lines are needed to control the LCD driver. In addition, it can also enter power saving mode through commands. Operating voltage: 2.4V~5.2V* Built-in 256KHz RC oscillator* Provide 1/4 bias 1/8 COM cycle* Power saving mode* 32x8 LCD driver* Built-in 32x8bit display memory* 3-wire serial interface* Software program control* Data and command mode* Automatically increase read and write address* Provide VLCD pin to adjust LCD working voltage* Built-in resistive bias generation circuit* 8 base frequency selections for WDT* Overflow output for timer and WDT* External 32.768KHz quartz oscillator or 256KHz frequency can be connected* Two types of buzzer frequencies (2KHz/4KHz)* Built-in timebase generator and WDT* Time base or WDT overflow output* 8 types of timebase/WDT clock inputs* 3-wire serialinterface★ This product description is a functional introduction! 360683