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STM32L071CB Folha de dados(PDF) 16 Page - STMicroelectronics

Nome de Peças STM32L071CB
Descrição Electrónicos  Access line ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, ADC
PDF  136 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L071CB Folha de dados(HTML) 16 Page - STMicroelectronics

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Functional overview
STM32L071xx
16/136
DocID027101 Rev 3
VDD = 2.0 to 2.4 V
Conversion time up
to 1.14 Msps
Range 1, range 2 or
range 3
Full speed operation
VDD = 2.4 to 3.6 V
Conversion time up
to 1.14 Msps
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". 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.
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
32 kHz to 4.2 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
ADC operation
Dynamic voltage
scaling range
I/O operation
Table 5. Functionalities depending on the working mode
(from Run/active down to standby) (1)(2)
IPs
Run/Active
Sleep
Low-
power
run
Low-
power
sleep
Stop
Standby
Wakeup
capability
Wakeup
capability
CPU
Y
--
Y
--
--
--
Flash memory
O
O
O
O
--
--
RAM
Y
Y
Y
Y
Y
--
Backup registers
Y
Y
Y
Y
Y
Y
EEPROM
O
O
O
O
--
--
Brown-out reset
(BOR)
OO
O
O
O
O
O
O
DMA
O
O
O
O
--
--
Programmable
Voltage Detector
(PVD)
OO
O
O
O
O
-
Power-on/down
reset (POR/PDR)
YY
Y
Y
Y
Y
Y
Y
High Speed
Internal (HSI)
OO
--
--
(3)
--



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