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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM8AL3188TCX датащи(PDF) 103 Page - STMicroelectronics |
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STM8AL3188TCX датащи(HTML) 103 Page - STMicroelectronics |
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103 / 131 page  DocID027179 Rev 6 103/131 STM8AL318x STM8AL3L8x Electrical parameters 117 9.3.9 LCD controller (STM8AL3L8x only) In the following table, data are guaranteed by design, not tested in production. VLCD external capacitor (STM8AL3L8x only) The application achieves a stabilized LCD reference voltage when connecting an external capacitor CEXT to the VLCD pin. CEXT is specified in Table 48. Table 48. LCD characteristics Symbol Parameter Min. Typ. Max. Unit VLCD LCD external voltage - - 3.6 V VLCD0 LCD internal reference voltage 0 - 2.6 - VLCD1 LCD internal reference voltage 1 - 2.7 - VLCD2 LCD internal reference voltage 2 - 2.8 - VLCD3 LCD internal reference voltage 3 - 3.0 - VLCD4 LCD internal reference voltage 4 - 3.1 - VLCD5 LCD internal reference voltage 5 - 3.2 - VLCD6 LCD internal reference voltage 6 - 3.4 - VLCD7 LCD internal reference voltage 7 - 3.5 - CEXT VLCD external capacitance 0.1 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. -3 - µA Supply current(1) at VDD = 3 V - 3 - 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) - 240 - k Ω V33 Segment/Common higher level voltage - - VLCDx V V34 Segment/Common 3/4 level voltage - 3/4VLCDx - V23 Segment/Common 2/3 level voltage - 2/3VLCDx - V12 Segment/Common 1/2 level voltage - 1/2VLCDx - V13 Segment/Common 1/3 level voltage - 1/3VLCDx - V14 Segment/Common 1/4 level voltage - 1/4VLCDx - V0 Segment/Common lowest level voltage 0 -- |
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