mc68hc05l25 Freescale Semiconductor, Inc, mc68hc05l25 Datasheet - Page 108
mc68hc05l25
Manufacturer Part Number
mc68hc05l25
Description
M68hc05 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC05L25.pdf
(152 pages)
- Current page: 108 of 152
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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.
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