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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM8L052C6 датащи(PDF) 86 Page - STMicroelectronics |
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STM8L052C6 датащи(HTML) 86 Page - STMicroelectronics |
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86 / 102 page  Electrical parameters STM8L052C6 86/102 Doc ID 023331 Rev 1 8.3.9 LCD controller In the following table, data is guaranteed by design. Not tested in production. VLCD external capacitor The application can achieve a stabilized LCD reference voltage by connecting an external capacitor CEXT to the VLCD pin. CEXT is specified in Table 42. Table 42. LCD characteristics Symbol Parameter Min Typ Max. Unit VLCD LCD external voltage 3.6 V VLCD0 LCD internal reference voltage 0 2.6 V VLCD1 LCD internal reference voltage 1 2.7 V VLCD2 LCD internal reference voltage 2 2.8 V VLCD3 LCD internal reference voltage 3 2.9 V VLCD4 LCD internal reference voltage 4 3.0 V VLCD5 LCD internal reference voltage 5 3.1 V VLCD6 LCD internal reference voltage 6 3.2 V VLCD7 LCD internal reference voltage 7 3.3 V CEXT VLCD external capacitance 0.1 2 µF IDD Supply current(1) at VDD = 1.8 V 1. LCD enabled with 3 V internal booster (LCD_CR1 = 0x08), 1/4 duty, 1/3 bias, division ratio= 64, all pixels active, no LCD connected. 3µA Supply current(1) at VDD = 3 V 3 µA RHN (2) 2. RHN is the total high value resistive network. High value resistive network (low drive) 6.6 M Ω RLN (3) 3. RLN is the total low value resistive network. Low value resistive network (high drive) 360 k Ω V33 Segment/Common higher level voltage VLCDx V V23 Segment/Common 2/3 level voltage 2/3VLCDx V V12 Segment/Common 1/2 level voltage 1/2VLCDx V V13 Segment/Common 1/3 level voltage 1/3VLCDx V V0 Segment/Common lowest level voltage 0 V |
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