4
Evaluation board operation without STM32 Nucleo board
4.1
User connector inputs and outputs
If you wish to connect the
evaluation board to your own-board embedding another
microcontroller, refer to the following figure and table for details regarding the signal type of each pin.
Figure 29.
User connector pinning
Table 6.
User connector pin description
Pin no.
Name
Description
Type from user side
Voltage level
1
NC
Not connected
NA
NA
2
GND
Power supply GND
(insulated from mains
voltage)
Power supply
GND
3
ZVS
ZVS picture signal
Input
VDD/GND
4
G1
AC switch n°1 gate
control command
Output
VDD/GND
5
LED1
LED n°1 command
Output
VDD/GND
6
G2
AC switch n°2 gate
control command
Output
VDD/GND
7
T1
AC switch n°1 control
push button
Input
VDD/GND
8
G3
AC switch n°3 gate
control command
Output
VDD/GND
9
T3
AC switch n°3 control
push button
Input
VDD/GND
10
MODE
Mode switch voltage
Input
Refer to
Section 4.2 MODE
switch voltage
11
T2
AC switch n°2 control
push button
Input
VDD/GND
12
TP-
tp decrease push
button
Input
VDD/GND
13
LED3
LED n°3 command
Output
VDD/GND
14
TP+
tp increase push button Input
VDD/GND
UM2304
Evaluation board operation without STM32 Nucleo board
UM2304
-
Rev 3
page 22/46
