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UM1771 Datasheet(PDF) 2 Page - STMicroelectronics

Part # UM1771
Description  The EVAL6474H-DISC is a low cost development tool based
PDF  38 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM1771 Datasheet(HTML) 2 Page - STMicroelectronics

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Contents
UM1771
2/38
DocID026392 Rev 2
Contents
1
Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2
Board specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3
General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.1
Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
3.2
L6474 stepper motor controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.3
Charge pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4
Device configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.1
Advanced current control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.2
Overcurrent protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.3
Speed profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5
Programming section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.1
STM32F105RB microcontroller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.2
Firmware loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.2.1
DfuSe installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.2.2
Generate a DFU file from an HEX file . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.2.3
Board settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5.2.4
DFU loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
5.3
Using the EVAL6474H-DISC with the firmware for the GUI (FWGUI) . . . 25
5.3.1
Sanity check of the board with the firmware for the GUI (FWGUI) . . . . 25
5.3.2
Parameters exportation from the GUI to the FW library . . . . . . . . . . . . . 31
5.4
Using the EVAL6474H-DISC with the firmware library
(FW L6474) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.4.1
FW library package contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.4.2
FW L6474 library description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.4.3
Create a project using the FW library package . . . . . . . . . . . . . . . . . . . 34
6
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
7
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37



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