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AN2687 Datasheet(PDF) 16 Page - STMicroelectronics

No. de Pieza. AN2687
Descripción  STM8S20xxx LCD software driver
Descarga  22 Pages
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Fabricante  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
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AN2687 Datasheet(HTML) 16 Page - STMicroelectronics

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Consumption considerations
AN2687
16/22
Doc ID 14296 Rev 1
Figure 7.
LCD timing diagram with active and dead time (to increase Vrms)
COM1
ai15953
VCOM
+VDD/2
COM2
Segx_2 Off
T/4
T/2
3T/4
T
COM3
COM4
Vseg
Control period
Dead time
Active time
VCOM
+VDD/2
VCOM
+VDD/2
VCOM
+VDD/2
+VDD/2
Segx_1 On
Vseg
+VDD/2
CCR1_1
CCR1_2
OVF1
OVF2
Vseg
Segx
Dead time
Dead time Dead time
Dead time
Dead time
Segx_1 On
Segx_2 Off
Segx_3 On
Segx_4 On


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