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STM8AL3L8x Datasheet(PDF) 103 Page - STMicroelectronics

Part # STM8AL3L8x
Description  Automotive 8-bit ultra-low-power MCU, 64 Kbyte Flash, RTC, LCD, data EEPROM, timers, USARTs, I2C, SPIs, ADC, DAC, COMPs
PDF  131 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM8AL3L8x Datasheet(HTML) 103 Page - STMicroelectronics

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DocID027179 Rev 6
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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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