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STM8L151C4U6 데이터시트(PDF) 97 Page - STMicroelectronics

부품명 STM8L151C4U6
상세설명  8-bit ultralow power MCU, up to 32 KB Flash, 1 KB Data EEPROM RTC, LCD, timers, USART, I2C, SPI, ADC, DAC, comparators
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제조업체  STMICROELECTRONICS [STMicroelectronics]
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STM8L151C4U6 데이터시트(HTML) 97 Page - STMicroelectronics

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STM8L151xx, STM8L152xx
Electrical parameters
Doc ID 15962 Rev 5
97/122
9.3.8
LCD controller (STM8L152xx only)
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 43.
Table 43.
LCD characteristics(1)
1.
Data guaranteed by Design, not tested in production.
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(2) at VDD = 1.8 V
2.
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(2) at VDD = 3 V
3
µA
RHN
(3)
(= 3 X RH)
3.
RHN is the total resistive network value. The bridge is made of 3 RH serial resistors.
Low drive resistive network
6.6
M
Ω
RLN
(4)
(= 3 X RL)
4.
RLN is the total resistive network value. The bridge is made of 3 RL serial resistors.
High drive resistive network
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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