CS1621 is an LCD driver controller which can drive a 128-point LCD screen. The circuit has built-inserial communication interface, which can be directly connected with the main control equipment for function setting.
Voltage Range :
2.4V to 5.5VPackage :
SOP24/SSOP24/SOP28/QFP44/SSOP48/LQFP48.Working voltage: 2.4V to 5.5V
Maximum 32×4 mode, 4COM,32SEG
LCD display with 1/2 or 1/3 bias and 1/2, 1/3 or 1/4 duty ratio can be selected.
Built-in bias resistor
The VLCD pin is used to adjust the LCD working voltage.
Internal 32×4bit display RAM
Internal 256kHz RC oscillator
External 32kHz crystal oscillator or 256kHz frequency input.
Built-in serial interface
Clock sources for eight timebase /WDT clocks
Buzzer driving signal with selectable frequency
Support low power standby mode
Working environment temperature: -40 to 85°C
Packaging form: SOP24/SSOP24/SOP28/QFP44/SSOP48/LQFP48
AiP1722 is a single-chip controller/driver for LCD. It consists of 15 segment output circuits and 4 common output circuits.The AiP1722 chip contains a backlight driver block using 64 steps PWM control withsoftware instructions.The AiP1722 chip contrans a 3-line serial interface so that it can connect straight to a MCU.
Details
AiP1723 is a driver with key scan interface control dedicated circuit, integrated MCU digital interface, datalatches, LCD driver, keyboard scanning, Symphony backlight driver circuit. It is mainly used in segment code LCD display applications that require extended keys and backlight electronic coded switch functions,such ashome video systems, wall-hung boilers and other products of the display driver.
Details
IPv6 network supported
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