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STM32L152C6 数据表(PDF) 101 Page - STMicroelectronics

部件名 STM32L152C6
功能描述  Ultra-low-power 32-bit MCU ARM-based Cortex-M3, 128KB Flash, 16KB SRAM, 4KB EEPROM, LCD, USB, ADC, DAC
PDF  121 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32L152C6 数据表(HTML) 101 Page - STMicroelectronics

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STM32L151x6/8/B, STM32L152x6/8/B
Electrical characteristics
Doc ID 17659 Rev 8
101/121
6.3.20
LCD controller (STM32L152xx only)
The STM32L152xx embeds a built-in step-up converter to provide a constant LCD reference
voltage independently from the VDD voltage. An external capacitor Cext must be connected
to the VLCD pin to decouple this converter.
Table 61.
LCD controller 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
2.73
VLCD2
LCD internal reference voltage 2
2.86
VLCD3
LCD internal reference voltage 3
2.98
VLCD4
LCD internal reference voltage 4
3.12
VLCD5
LCD internal reference voltage 5
3.26
VLCD6
LCD internal reference voltage 6
3.4
VLCD7
LCD internal reference voltage 7
3.55
Cext
VLCD external capacitance
0.1
2
µF
ILCD
(1)
1.
LCD enabled with 3 V internal step-up active, 1/8 duty, 1/4 bias, division ratio= 64, all pixels active, no LCD
connected
Supply current at VDD = 2.2 V
3.3
µA
Supply current at VDD = 3.0 V
3.1
RHtot
(2)
2.
Guaranteed by design, not tested in production.
Low drive resistive network overall value
5.28
6.6
7.92
M
Ω
RL
(2)
High drive resistive network total value
192
240
288
k
Ω
V44
Segment/Common highest level voltage
VLCD
V
V34
Segment/Common 3/4 level voltage
3/4 VLCD
V
V23
Segment/Common 2/3 level voltage
2/3 VLCD
V12
Segment/Common 1/2 level voltage
1/2 VLCD
V13
Segment/Common 1/3 level voltage
1/3 VLCD
V14
Segment/Common 1/4 level voltage
1/4 VLCD
V0
Segment/Common lowest level voltage
0
ΔVxx(3)
3.
Based on characterization, not tested in production.
Segment/Common level voltage error
TA = -40 to 85 °C
± 50
mV



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