UM0718
1.2.1
Configuring the hardware
The connectors must be configured correctly, as described in
Table 1.
Connectors
Connector
name
USB
Connector
ICC connector pins to re-program the MCU if needed. The connection is shown in the following
diagram:
J3
Note:
The following is the 10-pin PMBus interface connector description:
– Pin 1: Control signal 5
– Pin 2: Control signal 4
– Pin 3: Control signal 3
– Pin 4: Control signal 2
– Pin 5: VDD_OUT. Refers to slide switch position.
– Pin 6: Ground
J8 (PMBus)
– Pin 7: Control signal 1
– Pin 8: PMBus alert signal coming from the slave device.
– Pin 9: PMBus clock signal. This signal is always driven by the MCU in this demonstration board.
– Pin 10: PMBus data signal. This signal is bi-directional.
Note:
The user must connect the USB port of the PC or notebook to connect the demonstration
board. The demonstration board should also be connected with the compatible slave
module using the PMBus connector pins.
Table 2.
Switch name
SW1(Reset)
J9(EG1313)
www.BDTIC.com/ST
USB type B connector to communicate with the PC GUI
This 6-pin connection is a customized ICC connector from the normal
connector. This modification is performed to achieve the low-form factor of
the board.
The voltage on the control lines is either 5 V or 0 V depending on the
selection made through the GUI.
Switches
The reset switch restarts the application
The voltage on VDD_OUT can be varied (5 V/ 3.3 V/NC) by varying the slide
Doc ID 15846 Rev 1
Table
Description
Description
switch positions.
Getting started
1.
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