參數(shù)資料
型號: S1C60N08F0A0100
元件分類: 微控制器/微處理器
英文描述: MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁數(shù): 95/145頁
文件大?。?/td> 1118K
代理商: S1C60N08F0A0100
S1C60N08 TECHNICAL HARDWARE
EPSON
I-41
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (LCD Driver)
4.8 LCD Driver (COM0–COM3, SEG0–SEG47)
4.8.1 Configuration of LCD driver
The S1C60N08 Series has four common terminals and 48 (SEG0–SEG47) segment terminals, so that an
LCD with a maximum of 192 (48
× 4) segments can be driven. The power for driving the LCD is gener-
ated by the internal circuit, so there is no need to supply power externally.
The driving method is 1/4 duty (or 1/3, 1/2 duty is selectable by mask option) dynamic drive, adopting
the four types of potential (1/3 bias), VDD, VL1, VL2 and VL3. Moreover, the 1/2 bias dynamic drive that
uses three types of potential, VDD, VL1 = VL2 and VL3, can be selected by setting the mask option (drive
duty can also be selected from 1/4, 1/3 or 1/2).
1/2 bias drive is effective when the LCD system voltage regulator is not used. The VL1 terminal and the
VL2 terminal should be connected outside the IC.
The frame frequency is 32 Hz for 1/4 duty and 1/2 duty, and 42.7 Hz for 1/3 duty (in the case of fOSC1 =
32.768 kHz).
Figures 4.8.1.1 to 4.8.1.6 show the drive waveform for each duty and bias.
Notes: "fOSC1" indicates the oscillation frequency of the oscillation circuit.
If there is any segment pad that is set to be DC type, the internal LCD voltage regulator cannot
be chosen in all models. Or, if the internal LCD voltage regulator is chosen in any model, the
segment pad cannot be set to be DC type.
Table 4.8.1.1 LCD voltage regulator and DC output from SEG terminals
LCD system voltage regulator
Use
Not use
DC output from SEG terminals
Not available
Available
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