STM32L152CBU6 データシートの表示（PDF） - STMicroelectronics

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STM32L152CBU6

Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3, 128KB Flash, 16KB SRAM, 4KB EEPROM, LCD, USB, ADC, DAC

STMicroelectronics 

STM32L151x6/8/B STM32L152x6/8/B

Electrical characteristics

6.1.7

Optional LCD power supply scheme

Figure 13. Optional LCD power supply scheme

VDD

N x 100 nF

+ 1 x 10 μF

VDD1/2/.../N

Step-up

Converter

VSEL

Option 1

VLCD

100 nF

Option 2

CEXT

VLCD

VSS1/2/.../N

LCD

MS32462V1

1. Option 1: LCD power supply is provided by a dedicated VLCD supply source, VSEL switch is open.

2. Option 2: LCD power supply is provided by the internal step-up converter, VSEL switch is closed, an

external capacitance is needed for correct behavior of this converter.

6.1.8

Current consumption measurement

Figure 14. Current consumption measurement scheme

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[—)

Q)

—)

1[9''

1[966

9/&'

9''$

95()

95()

966$

069

DocID17659 Rev 12

51/133

104

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