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ST STM32 NUCLEO-L053R8 User Manual

ST STM32 NUCLEO-L053R8
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UM1724 Rev 14 19/68
UM1724 Hardware layout and configuration
67
Figure 9. Using ST-LINK/V2-1 to program the STM32 on an external application
Table 5. Debug connector CN4 (SWD)
Pin CN4 Designation
1 VDD_TARGET VDD from application
2 SWCLK SWD clock
3 GND ground
4 SWDIO SWD data input/output
5 NRST RESET of target STM32
6 SWO Reserved
MS34379V2
CN2 jumpers OFF
CN4
SWD connector

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ST STM32 NUCLEO-L053R8 Specifications

General IconGeneral
MicrocontrollerSTM32L053R8
CoreARM Cortex-M0+
Operating Frequency32 MHz
Flash Memory64 KB
SRAM8 KB
EEPROM2 KB
GPIO Pins51
Digital I/O Pins51
On-board DebuggerST-LINK/V2-1
Timers5
Communication InterfacesI2C, SPI, USART
ConnectorsArduino Uno V3, ST morpho
USBUSB 2.0 FS device

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