1260-114 User Manual Publication No. 980824-114 Rev. A
Module Operation 3-10 Astronics Test Systems
Table 3-5, Control Register 1 Functionality of the 1260-114 Module
Register Table
Control Register 1
Module Version
Bit
Functionality Description
TTL and CMOS
(As written to register:
bits normally read
inverted unless external
port tri-state pin is ‘0’ in
which case bit will
always read a ‘1’)
0
0: Port A Input Port
1: Port A Output Port
1
0: Port B Input Port
1: Port B Output Port
2
0: Port C Input Port
1: Port C Output Port
3
0: Port D Input Port
1: Port D Output Port
4
0: Port E Input Port
1: Port E Output Port
5
0: Port F Input Port
1: Port F Output Port
6
0: Port G Input Port
1: Port G Output Port
7
0: Port H Input Port
1: Port H Output Port
OC and HVOC
0
Not Used
1
Not Used
2
Not Used
3
Not Used
4
Not Used
5
Not Used
6
Not Used
7
Not Used
Summary of Contents for 407661-001
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