UM1574 Hardware and layout
Doc ID 023645 Rev 1 19/48
4.2.2 STM8AF board LEDs
The STM8AF board includes the following LEDs:
● LD1 COM: LD1 default status is red. LD1 turns to green to indicate that
communications are in progress between the PC and the ST-LINK/V2.
● LD2 PWR: red LED indicates that the board is powered and that 5 V is output from
L99PM62GXP power management IC.
● User LD3: red LED is a user LED connected to the I/O PA3 of the STM8AF5288T.
● User LD4: green LED is a user LED connected to the I/O PD3 of the STM8AF5288T.
● User LD5: green LED is a user LED connected to the I/O PD0 of the STM8AF5288T.
● User LD6: green LED is a user LED connected to the I/O PE3 of the STM8AF5288T.
● User LD7: green LED is a user LED connected to the I/O PC3 of the STM8AF5288T.
4.2.3 STM8AF board Push buttons
STM8AF board includes two push buttons:
● USER1: User button connected to the I/O PE2 of STM8AF5288T.
● USER2: User button connected to the I/O PE1 of STM8AF5288T.
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