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Evaluates: USB2GPIOISO

USB2GPIOISO# Adapter Board

Master and Slave Connectors

The USB2GPIOISO# is designed to receive power

(VDD_M, GNDM and VDD_S, GNDS) from external

boards through the connectors XMA, XMB, XSA and XSB.

VDD_S is defined by the type of board connected to the

slave connectors. When the user selects certain tab in the

Munich GUI, VDD_M is automatically set to certain level,

either 1.8V, 2.5V, 3.3V, or 5.0V. Note that USB2GPIOISO#

does NOT provide power using VDD_S to the Pmod or EV

kit board, but instead expects to receive power from those

boards. Test points VDD_S and GND are provided to allow

powering the USB2GPIOISO# slave side and Pmod or EV

kit boards with external power supply.

Figure 4 shows the top view of the USB2GPIOISO# board,

with the different connectors and the pin 1 identifiers. Note

there are no jumpers or shunts on this board, all configuration

is done under software control. Care should be taken to

only insert the boards in the correct way as the connectors

are not keyed to avoid false insertions. Reversing the

connections (by turning the Pmod board upside down for

example) may result in damage to the USB2GPIOISO#

Pmod or EV kit board. Two LEDs are included to indicate if

VDD_M and VDD_S are powered.

#Denotes RoHS compliant

Figure 4. USB2GPIOISO# Orientation and Pinouts

Ordering Information

PART

TYPE

USB2GPIOISO#

Adapter Board