參數(shù)資料
型號: MC68HC08LT8CFGE
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP44
封裝: 10 X 10 MM, 1.40 MM THICKNESS, 0.80 MM PITCH, ROHS COMPLIANT, MS-026BCB, LQFP-44
文件頁數(shù): 133/156頁
文件大小: 1107K
代理商: MC68HC08LT8CFGE
Liquid Crystal Display (LCD) Driver
MC68HC08LT8 Data Sheet, Rev. 1
78
Freescale Semiconductor
Figure 8-3. Simplified LCD Schematic (1/3 Duty, 1/3 Bias)
8.4.1 LCD Duty
The setting of the LCD output waveform duty is dependent on the number of backplane drivers required.
Three LCD duties are available:
Static duty — BP0 is used only
1/3 duty — BP0, BP1, and BP3 are used
1/4 duty — BP0, BP1, BP2, and BP3 are used
When the LCD driver module is enabled the backplane waveforms for the selected duty are driven out of
the backplane pins. The backplane waveforms are periodic and are shown are shown in Figure 8-5,
LCD
FP0
FP1
FP24
BP0
BP1
BP2
RFP
RBP
VLCD
VLCD1
VLCD2
VLCD3
Vbias
RLCD
VR
VLCD
LCCON[3:0]
BIAS
CONTROL
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