STM32L151CCY7TR 데이터 시트보기 (PDF) - STMicroelectronics

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STM32L151CCY7TR

Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3, 256KB Flash, 32KB SRAM, 8KB EEPROM, LCD, USB, ADC, DAC

STMicroelectronics 

Electrical characteristics

STM32L151xC STM32L152xC

6.1.7

Optional LCD power supply scheme

Figure 13. Optional LCD power supply scheme

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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.

Current consumption measurement

Figure 14. Current consumption measurement scheme

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DocID022799 Rev 13

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