User I/O pin connections

The following table shows the User I/O pin connections.

Table 19. User I/O pin connections

Pin

Signal

I/O

Description

Pin 1

Output 1

Output

This is a user output bit. It operates at a 3.3V swing, with a 100Ω series resistance.

Pin 2

Output 2

Output

This is a user output bit. It operates at a 3.3V swing, with a 100Ω series resistance.

Pin 3

Output 3

Output

This is a user output bit. It operates at a 3.3V swing, with a 100Ω series resistance.

Pin 4

Output 4

Output

This is a user output bit. It operates at a 3.3V swing, with a 100Ω series resistance.

Pin 5

Output 5

Output

This is a user output bit. It operates at a 3.3V swing, with a 100Ω series resistance.

Pin 6

Input 1

Input

This is a user input bit. It has a 100K weak pull-up to the unit internal +3.3V supply, and requires a Vih(min) of 2.0V and a Vil(max) of 0.8V. It can safely be driven by 5V logic levels, and has Electro Static Discharge (ESD) protection greater than the 2kV human body model.

This pin is not currently supported.

Pin 7

Output 6

Output

This is a user output bit. It operates at a 3.3V swing, with a 100Ω series resistance.

Pin 8

Input 2

Input

This is a copy of the trigger input on the end panel of the DSTREAM unit. It has a 10kΩ weak pull-up to the unit internal +3.3V supply, and requires a Vih(min) of 2.0V and a Vil(max) of 0.8V. It can safely be driven by 5V logic levels, and has ESD protection greater than the 2kV human body model.

This pin is not currently supported.

Pin 9

+3.3V

Output

This is intended as a voltage reference for external circuitry and is current limited to approximately 50mA.

Pin 10

GND

-

-


Note

Input is not currently supported on the User I/O pin connections.

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