UM1574 Hardware and layout
Doc ID 023645 Rev 1 9/48
4 Hardware and layout
This section describes STM8A-DISCOVERY hardware and layout which can be broken
down into common resources used both in STM8AF and STM8AL boards and the special
features belonging to each of them.
4.1 STM8A-DISCOVERY common resources
4.1.1 Embedded ST-LINK/V2
The ST-LINK/V2 programming and debugging tool is integrated both in STM8AF and
STM8AL boards. The embedded ST-LINK/V2 can be used to program/debug the MCU on
the board and supports SWIM for STM8 devices.
The ST-LINK/V2 must be connected with the dual type A to mini-B USB cable provided in
the blister.
Caution: First connect the dual type A on the PC side (both type A connectors must be plugged in)
then connect the mini-B USB to the board (STM8AF or STM8AL boards).
For programming or debugging the STM8A-DISCOVERY, the PC can be either connected to
the mini-B USB connector of the STM8AF or STM8AL board.
The connection on both mini-B usb of the STM8AF and STM8AL boards is not supported.
This operation can damage the boards.
For information about debugging and programming features refer to user manual UM1075
(ST-LINK/V2 in-circuit debugger/programmer for STM8 and STM32) which describes in
detail all the ST-LINK/V2 features.
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