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STM32L151VD Datasheet(PDF) 18 Page - STMicroelectronics

Part # STM32L151VD
Description  Ultra-low-power 32-bit MCU ARM® Cortex®-M3, 384KB Flash, 48KB SRAM, 12KB EEPROM, LCD, USB, ADC, DAC, memory I/F
PDF  154 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L151VD Datasheet(HTML) 18 Page - STMicroelectronics

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Functional overview
STM32L151xD STM32L152xD
18/154
DocID022027 Rev 11
VDD=VDDA = 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=VDDA = 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. 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, the user 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 3. Functionalities depending on the operating power supply range (continued)
Functionalities depending on the operating power supply range
Operating power supply
range
DAC and ADC
operation
USB
Dynamic voltage
scaling range
I/O operation
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
2.1MHz to 4.2 MHz (1ws)
32 kHz to 2.1 MHz (0ws)
Range 3



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