mc68hc908lj24 Freescale Semiconductor, Inc, mc68hc908lj24 Datasheet - Page 369

• Manufacturer Part Number: mc68hc908lj24
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

MC68HC908LJ24/LK24 — Rev. 2.1
Freescale Semiconductor
LCCON[3:0] — LCD Contrast Control
LCCON3
These read/write bits select the bias voltage, V
controls the contrast of the LCD.
Maximum contrast is set when LCCON[3:0] =%0000;
minimum contrast is set when LCCON[3:0] =%1111.
FC
X
0
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Liquid Crystal Display (LCD) Driver
LCCON2
LC
Table 17-2. Resistor Ladder Selection
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Table 17-3. LCD Bias Voltage Control
Each resistor is approximately 37 kΩ (default)
Each resistor is approximately 146 kΩ
Fast charge mode
LCCON1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
LCCON0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Liquid Crystal Display (LCD) Driver
Action
bias
Bias Voltage
. This voltage
(% of V
11.6
13.5
15.3
17.2
18.8
20.5
22.0
23.6
25.0
26.4
27.7
0.6
2.9
5.2
7.4
9.6
DD
I/O Registers
)
Data Sheet
369