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STM8L052C6 Datasheet(PDF) 86 Page - STMicroelectronics

Part # STM8L052C6
Description  Value Line, 8-bit ultralow power MCU, 32-KB Flash, 256-byte data EEPROM, RTC, LCD, timers, USART, I2C, SPI, ADC
PDF  102 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM8L052C6 Datasheet(HTML) 86 Page - STMicroelectronics

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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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