Interfacing an LCD to the MC9S08LC60, Rev. 0
Interfacing the LCD MCU to an LCD Glass
Freescale Semiconductor
8
3.1
LCD Glass Detailed Description
The LCD panel used in the DEMO9S08LC60 has a viewable area of approximately 75 mm
×
25 mm and
. It is a custom 160-segment LCD TN-type glass that combines nine individual
alphanumeric segment groups with numerous individual segments in the form of labels, punctuation,
icons, etc. The alphanumeric segment groups are labeled 1 to 9 starting from the leftmost character
position. The LCD panel is manufactured by S-Tek Displays (part number GD3980P).
Figure 5. Custom LCD from S-Tek Displays
The LCD panel’s segment layout is not the only important aspect of its design. Other LCD glass
specifications, such as those mentioned in
, also dictate how the LCD glass must be driven by
an LCD driver for optimal performance.
provides a summary of GD3980P parameters.
Table 2. GD3890P Parameters
GD3890P Parameters
Units
Values
Driving Voltage
Volts
3
Duty
1/4
Driving Frequency
Hz
64
Operating Temperature
C
0-50
Display Mode
Positive, Reflective
Viewing Angle
o’clock
6
