mc68hc05l25 Freescale Semiconductor, Inc, mc68hc05l25 Datasheet - Page 108

• Manufacturer Part Number: mc68hc05l25
• Description: M68hc05 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

LCD Driver
The electric potential waveform for the F segment (between FP0 and BP1) is illustrated in
As shown, the LCD ON voltage (V
108
FP0 WAVEFORM
FP1 WAVEFORM
FP2 WAVEFORM
—
—
—
DUTY = 1/3
BP2
BP2
BP2
BP1–FP0
0
0
0
BP0
BP1
BP2
Figure 11-10. BP0–BP2 and FP0–FP2 Output Waveforms
BP1
BP1
BP1
1
1
1
Figure 11-11. F Segment Potential Waveform
BP0
BP0
BP0
0
0
1
LCD
1FRAME
MC68HC05L25 Data Sheet, Rev. 3.1
) of the AC waveform is attained, so the F segment will turn ON.
Freescale Semiconductor
V
V
V
0
–V
–V
–V
V
V
V
V
V
V
V
V
V
V
V
V
LCD
LCD1
LCD2
DD
LCD1
LCD2
LCD3
DD
LCD1
LCD2
LCD3
DD
LCD1
LCD2
LCD3
LCD2
LCD1
LCD
Figure
V
V
V
V
V
V
V
V
V
V
V
V
DD
LCD1
LCD2
LCD3
DD
LCD1
LCD2
LCD3
DD
LCD1
LCD2
LCD3
11-11.