B. hp e1366a/e1367a multiplexer registers 65, Register definitions 65, Definitions, 65 – HP E1367A User Manual
Page 65: B. hp e1366a/e1367a multiplexer registers, Register definitions, Appendix b
Appendix B
HP E1366A/E1367A Multiplexer Registers
Register Definitions
The HP E1366A and HP E1367A RF multiplexers are register-based slave
devices. Register definitions are:
ID Register
b +00
h
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Write
Undefined
Undefined
Read*
Reg-Bas
A16
Manufacturer ID
* Returns FFFF
h
=Hewlett-Packard A16 only register-based
Device Type Register
b +02
h
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Write
Undefined
Read*
1 (A16 only)
Module ID Code
* Returns: FF80
h
(E1366A) or FF84
h
(E1367A)
Status/Control Register
b +04
h
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Write*
Undefined
R
Read**
FF
h
B
7F
h
* R =Multiplexer reset to power-on state (all switches open) ** Status "busy" is low-true in bit #7 (FF7F
h
)
Bank 0 Channel Enable Register
b +08
h
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Write*
Undefined
03
02
01
00
Read
Always returns FFFF
h
* Write "1" closes channel, write "0" opens channel
Bank 1 Channel Enable Registers
b +0A
h
1
5
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Write*
Undefined
13
12
11
10
Appendix B
HP E1366A/E1367A Multiplexer Registers 65