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STM32L021D4 Datenblatt(PDF) 38 Page - STMicroelectronics

Teilenummer STM32L021D4
Bauteilbeschribung  Access line ultra-low-power 32-bit MCU Arm®-based Cortex®-M0, 16KB Flash, 2KB SRAM, 512B EEPROM, ADC, AES
PDF  114 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
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STM32L021D4 Datenblatt(HTML) 38 Page - STMicroelectronics

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Pin descriptions
STM32L021x4
38/114
DocID027982 Rev 5
9
12
151616
-
VSS
S
-
(5)
--
10
13
16
17
17
17
VDD
S
-
(6)
--
-
-
-
18
18
18
PA8
I/O
FT
-
MCO, LPTIM1_IN1,
EVENTOUT,
USART2_CK,
TIM2_CH1
-
11
14
17
19
19
19
PA9
I/O
FTf
-
MCO, I2C1_SCL,
LPTIM1_OUT,
USART2_TX,
TIM21_CH2,
COMP1_OUT
-
12
15
18
20
20
20
PA10
I/O
FTf
(7)
TIM21_CH1,
I2C1_SDA,
RTC_REFIN,
USART2_RX,
TIM2_CH3,
COMP1_OUT
-
----
21
21
PA11
I/O
FT
-
SPI1_MISO,
LPTIM1_OUT,
EVENTOUT,
USART2_CTS,
TIM21_CH2,
COMP1_OUT
-
----
22
22
PA12
I/O
FT
-
SPI1_MOSI,
EVENTOUT,
USART2_RTS_DE,
COMP2_OUT
-
13
16
19
21
23
23
PA13
I/O
FTf
-
SWDIO,
LPTIM1_ETR,
I2C1_SDA,
SPI1_SCK,
LPUART1_RX,
COMP1_OUT
-
Table 12. Pin definitions (continued)
Pin number
Pin name
(function
after reset)
Notes
Pin functions
Alternate functions Additional functions



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