STM32F051R4U7(2012) 데이터 시트보기 (PDF) - STMicroelectronics

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STM32F051R4U7
(Rev.:2012)

Low- and medium-density advanced ARM™-based 32-bit MCU with 16 to 64 Kbytes Flash, timers, ADC, DAC and comm. interfaces

STMicroelectronics 

Electrical characteristics

STM32F051x

Figure 18. Five volt tolerant (FT and FTf) I/O input characteristics - CMOS port

VIL/VIH (V)

2.0

1.0

0.5

CMOS standard requirements VIH min= 0.7VDD

Input range not

guaranteed

VIHmin = 0.5VDD+0.2

VILmax = 0.475VDD-0.2

CMOS standard requirements VILmax = 0.3VDD

VDD (V)

2.0

3.6

MS30257V1

Figure 19. Five volt tolerant (FT and FTf) I/O input characteristics - TTL port

VIL/VIH (V)

2.0

1.0

0.8

0.5

2.0

TTL standard requirements VIHmin = 2 V

VIHmin = 0.5VDD+0.2

Input range not

guaranteed

VILmin = 0.475VDD-0.2

TTL standard requirements VILmax = 0.8 V

VDD (V)

2.7

3.6

MS30258V1

72/105

Doc ID 022265 Rev 3

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