Download LCD Driver Selection Table Date: 1-Dec

LCD Driver Selectio
Holtek 型號
HT1621
HT1621
HT1622
代換型號
SL3204
SL32043
SL3208A
不要改 PCB?
否
是
是
不要改軟件?
是
是
是
功能和 Holtek 完全一樣?
是
否
是
32 x 4
32 x 4
32 x 8
2.4v - 5.2v
2.4v - 5.2v
3v - 5.2v
Built-in 256kHz
Built-in 256kHz
Built-in 256kHz
Segment & Com
Operating Voltage
RC Oscillator
External freq. source
32.768khz or 256kHz
Bias
1/2, 1/3
1/2, 1/3
1/4
Duty
1/2, 1/3, 1/4
1/2, 1/3, 1/4
1/8
Watchdog Timer
Yes
Yes
Builti-in Time base or WDT overflow output
Yes
Yes
Display Ram
32 x 4 bits
32 x 4 bits
64 x 4 bits
3-wire Serial interface
Yes
Yes
Yes
Tone output(Buzzer)
Yes
Yes
EL application (only available by internal RC OSC)
Yes
Internal LCD driving Frequency source
Yes
Yes
Yes
Power down command reduces power consumption
Yes
Yes
Yes
Software configuration feature
Yes
Yes
Yes
3
1
3
8 kinds of time base/WDT sources
Yes
Yes
Yes
R/W address auto increment
Yes
Yes
Yes
Data accessing modes
Cascade application
Common output resistance
Liquid Crystal drive range (Vcc=5V +/- 10%)
Yes
B