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STM8L151C8 데이터시트(PDF) 107 Page - STMicroelectronics |
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STM8L151C8 데이터시트(HTML) 107 Page - STMicroelectronics |
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107 / 134 page ![]() DocID17943 Rev 6 107/134 STM8L15xx8, STM8L15xR6 Electrical parameters 121 9.3.9 LCD controller (STM8L152xx only) In the following table, data are guaranteed by Design, not tested in production. VLCD external capacitor (STM8L152xx only) The application can achieve a stabilized LCD reference voltage by connecting an external capacitor CEXT to the VLCD pin. CEXT is specified in Table 45. Table 45. 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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