Contents

UM1561

2/39

Doc ID 023556 Rev 1

Contents

1

System overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2

Firmware workspace with IAR embedded workbench IDE . . . . . . . . . . 5

3

STM32F1xx microcontroller - several peripherals used to manage the

STEVAL-ISV003V1 demonstration board . . . . . . . . . . . . . . . . . . . . . . . . 7

4

STM32F1xx - internal peripherals for DC-DC section . . . . . . . . . . . . . . 8

5

STM32F1xx - internal peripherals for DC-AC section . . . . . . . . . . . . . 11

6

Data sensing section for the closed loop control . . . . . . . . . . . . . . . . 15

7

STM32F1xx MCU peripherals configuration . . . . . . . . . . . . . . . . . . . . . 21

8

Implementation of digital phase locked loop . . . . . . . . . . . . . . . . . . . . 23

9

Digital closed loop control and diagnostic functions implemented . . 27

10

MPPT - maximum power point algorithm . . . . . . . . . . . . . . . . . . . . . . . 33

11

Input/output protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

12

Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38