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STM32L162VC-A 데이터시트(PDF) 111 Page - STMicroelectronics

부품명 STM32L162VC-A
상세설명  AES-128 bit encryption hardware accelerator
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STM32L162VC-A 데이터시트(HTML) 111 Page - STMicroelectronics

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STM32L162xC/C-A
Electrical characteristics
111
6.3.22
LCD controller
The device 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 64. 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.
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. Guaranteed by characterization results.
Segment/Common level voltage error
TA = -40 to 105 ° C
--
± 50
mV



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