Optional Lcd Power Supply Scheme; Current Consumption Measurement; Figure 12. Optional Lcd Power Supply Scheme; Figure 13. Current Consumption Measurement Scheme - STMicroelectronics STM32L151RE Manual
Ultra-low -power 32-bit mcu arm-based cortex-m3 with 512kb flash, 80kb sram, 16kb eerom, lcd, usb, adc, dac
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Electrical characteristics
6.1.7
Optional LCD power supply scheme
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
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Figure 12. Optional LCD power supply scheme
Figure 13. Current consumption measurement scheme
DocID025433 Rev 8
STM32L151xE STM32L152xE
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