5.2 Dealing with Unused pins

Integrators applications may connect all of the GS64 signals pins, or just those necessary for minimal operation, or most commonly some other permutation. If GR64 signal pins are not connected to the host application you should terminate them in the following manner.

Table 5.2-1 Unused Pin Termination

Pin

 

Name

 

Unused pins

 

 

 

 

 

1, 3, 5, 7, 9, 11

 

GND

 

Must be connected

2, 4, 6, 8, 10,12

 

VCC

 

Must be connected

27

 

ADIN1

 

Ground

28

 

ADIN2

 

Ground

29

 

ADIN3

 

Ground

30

 

ADIN4

 

Ground

65

 

VREF

 

Must be connected

92

 

AUXIP

 

Connect to AREF

93

 

AUXIN

 

Connect to AREF

97

 

MICIP

 

Connect to AREF

98

 

MICIN

 

Connect to AREF

All other signal pin may be left open (un-terminated)

LZT 123 1836

30