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HP E1366A/E1367A Multiplexer Registers
Register Definitions
b +00
15
h
Write
Read*
Reg-Bas
b +02
15
h
Write
Read*
b +04
15
h
Write*
Read**
* R =Multiplexer reset to power-on state (all switches open) ** Status "busy" is low-true in bit #7 (FF7F
b +08
15
h
Write*
Read
b +0A
1
h
Write*
Appendix B
The HP E1366A and HP E1367A RF multiplexers are register-based slave
devices. Register definitions are:
ID Register
14
13
12
11
10
Undefined
A16
* Returns FFFF
=Hewlett-Packard A16 only register-based
h
Device Type Register
14
13
12
11
10
1 (A16 only)
* Returns: FF80
h
Status/Control Register
14
13
12
11
10
FF
h
Bank 0 Channel Enable Register
14
13
12
11
10
Undefined
* Write "1" closes channel, write "0" opens channel
Bank 1 Channel Enable Registers
14
13
12
11
5
10
Undefined
9
8
7
6
5
Manufacturer ID
9
8
7
6
5
Undefined
Module ID Code
(E1366A) or FF84
(E1367A)
h
9
8
7
6
5
Undefined
B
9
8
7
6
5
Always returns FFFF
h
9
8
7
6
5
HP E1366A/E1367A Multiplexer Registers
Appendix B
4
3
2
1
0
Undefined
4
3
2
1
0
4
3
2
1
0
R
7F
h
4
3
2
1
0
03
02
01
00
4
3
2
1
0
13
12
11
10
)
h
65
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