HL14203
1. General Description
The HL14203 is 1/3 duty LCD display driver. It can drive directly maximum
126 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
..................................... 42 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 ............................................... 64QFP
Package Dimensions
64QFP (14
×
14)
17.2
•
•
•
•
•
•
•
64QFP (10
×
10)
12.0
0.15
48
49
10.0
32
33
(1.6)
14.0
1.0
48
49
1.0
0.8
33
32
(1.6)
1.0
0.15
17.2
14.0
0.8
12.0
10.0
64 1
1.0
0.35
17
16
2.7
0.1
64
1
0.18
17
16
0.1
1.7max
0.5
1.25
Unit : mm
Unit : mm
3
Preliminary
1.25
0.5
0.5
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