HL15703
1. General Description
The HL15703 is 1/3 duty LCD display driver. It can drive directly maximum
171 segments. Also it has four general purpose output ports and a key scan
function that accepts input from up to 30 keys.
2. Features
• LCD display ..................................... 57 segments x 3 commons
1/3 duty - 1/2 bias
1/3 duty - 1/3 bias
• Key scan ............................................ Maximum 30 keys
Input 5 pins, Output 6 pins
• Power down mode ............................. Sleep mode and all segments off mode
• Port
Output .................................................. 4 pins
( Including the LCD segment port )
• Serial I/O .............................................. Data transfer and receive
• Power on reset ..................................... Supply voltage detection ( SVD )
• RC oscillator
• Package ............................................... 80QFP
Package Dimensions
80QFP
64
65
23.2
0.35
0.5
0.15
41
40
25
80 1
24
20.0
2.70
0.1
21.6
3
Unit : mm
Preliminary