HT1622 台湾合泰 HT1622

features
operating voltage: 2.7v~5.2v
built-in rc oscillator
1/4 bias, 1/8 duty, frame frequency is 64hz
max. 32 8 patterns, 8 commons, 32 segments
built-in internal resistor type bias generator
3-wire serial interface
8 kinds of time base/wdt selection
time base or wdt overflow output
built-in lcd display ram
r/w address auto increment
two selectable buzzer frequencies
(2khz/4khz)
power down command reduces power
consumption
software configuration feature
data mode and command mode instructions
three data accessing modes
vlcd pin to adjust lcd operating voltage
cascade application