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): 145/156頁
文件大?。?/td> 1107K
代理商: MC68HC08LT8CFGE
I/O Registers
MC68HC08LT8 Data Sheet, Rev. 1
Freescale Semiconductor
89
LCCON[3:0] — LCD Contrast Control
These read/write bits select the bias voltage, Vbias. This voltage controls the contrast of the LCD.
Maximum contrast is set when LCCON[3:0] =%0000;
minimum contrast is set when LCCON[3:0] =%1111.
Table 8-2. Resistor Ladder Selection
FC
LC
Action
X
0
Each resistor is approximately 37 k
(default)
0
1
Each resistor is approximately 146 k
1
Fast charge mode
Table 8-3. LCD Bias Voltage Control
LCCON3
LCCON2
LCCON1
LCCON0
Bias Voltage
(approximate % of VDD)
0000
0.6
0001
2.9
0010
5.2
0011
7.4
0100
9.6
0101
11.6
0110
13.5
0111
15.3
1000
17.2
1001
18.8
1010
20.5
1011
22.0
1100
23.6
1101
25.0
1110
26.4
1111
27.7
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