STM32L151X8 datasheet(16/133 Pages) STMICROELECTRONICS

부품명	STM32L151x8

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

PDF	133 Pages

Scroll/Zoom	100%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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16 / 133 page

Functional overview

STM32L151x6/8/B STM32L152x6/8/B

16/133

DocID17659 Rev 12

VDD = 2.0 to 2.4 V

Conversion time

up to 500 Ksps

Functional(2)

Range 1,

Range 2 or

Range 3

Full speed operation

VDD = 2.4 to 3.6 V

Conversion time

up to 1 Msps

Functional(2)

Range 1,

Range 2 or

Range 3

Full speed operation

1. The CPU frequency changes from initial to final must respect "FCPU initial < 4*FCPU final" to limit VCORE

drop due to current consumption peak when frequency increases. It must also respect 5 µs delay between

two changes. For example to switch from 4.2 MHz to 32 MHz, you can switch from 4.2 MHz to 16 MHz,

wait 5 µs, then switch from 16 MHz to 32 MHz.

2. Should be USB compliant from I/O voltage standpoint, the minimum VDD is 3.0 V.

Table 4. CPU frequency range depending on dynamic voltage scaling

CPU frequency range

Dynamic voltage scaling range

16 MHz to 32 MHz (1ws)

32 kHz to 16 MHz (0ws)

Range 1

8 MHz to 16 MHz (1ws)

32 kHz to 8 MHz (0ws)

Range 2

2.1 MHz to 4.2 MHz (1ws)

32 kHz to 2.1 MHz (0ws)

Range 3

Table 3. Functionalities depending on the operating power supply range (continued)

Operating power

supply range

Functionalities depending on the operating power supply range

DAC and ADC

operation

USB

Dynamic voltage

scaling range

I/O operation

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