Connectors, test pins and jumpers

UM1502

12/23

Doc ID 022625 Rev 1

Table 1 to Table 5 provide a detailed description of the test pins, connectors and jumpers

used in the demonstration board.

Table 1.

Connector pinout description

Connector

Description

J1

Power supply

J2

I²C interface (see also Table 5)

J3

PWM modulation (see also Table 4)

J4

Debugging / programming interface (see also Table 3)

Table 2.

Test points description

Test point

Description

TP1

Power supply, positive pole

TP2

3.3 V DC (fixed voltage output from regulator)

TP3

Power supply, negative pole (GND)

TP4

I²C interface, serial clock, SCL

TP5

I²C interface, serial data, SDA

TP6

PWM modulation

TP7

Zero offset button

Table 3.

MCU programming connector (J4)

Pin

Description

1

VDD / 5 VDC

2

SWIM / debug

3GND

4

RST / NRST / RESET

Table 4.

PWM modulation connector (J3)

Pin

Description

13.3 VDC

2

Output signal

3GND