поискавой системы для электроныых деталей |
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STE2004 датащи(PDF) 9 Page - STMicroelectronics |
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STE2004 датащи(HTML) 9 Page - STMicroelectronics |
9 / 66 page 9/66 STE2004 3.7 Temperature Coefficients As the viscosity, and therefore the contrast, of the LCD are subject to change with temperature, there's the need to vary the LCD Voltage with temperature. STE2004 provides the possibility to change the VLCD in a linear fashion against temperature with eight different Temperature Coefficient selectable through T2, T1 and T0 bits. Only four of them are available through basic instruction set. Table 5. Table 6. Figure 7. Finally, the VLCD voltage at a given (T) temperature can be calculated as: VLCD(T) = VLCDo · [1 + (T-To) · TC] NAME TC1 TC0 Value Unit TC0 0 0 -0.0· 10-3 1/ °C TC2 0 1 -0.7 · 10-3 1/°C TC3 1 0 -1.05· 10-3 1/°C TC6 1 1 -2.1 · 10-3 1/°C NAME T2 T1 T0 Value Unit TC0 0 0 0 -0.0· 10-3 1/ °C TC1 0 0 1 -0.35 · 10-3 1/°C TC2 0 1 0 -0.7 · 10-3 1/°C TC3 0 1 1 -1.05· 10-3 1/°C TC4 1 0 0 -1.4 · 10-3 1/°C TC5 1 0 1 -1.75· 10-3 1/°C TC6 1 1 0 -2.1 · 10-3 1/°C TC7 1 1 1 -2.3· 10-3 1/°C 00h 01h 02h 03h 04h 05h …. 7Fh 00h 01h 02h 7Ch 7Dh 7Eh 03h 04h 7Dh 7Eh 7Fh 05h …. 7Ch A1 A1 B A0 + B PRS = [0;0] PRS = [0;1] VO VLCD 00h 01h 02h 03h 04h 7Dh 7Eh 7Fh 05h 7Ch PRS = [1;0] …. A2 |
Аналогичный номер детали - STE2004 |
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Аналогичное описание - STE2004 |
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