Agilent e1364a form c switch registers, Appendix b, Register definitions – Agilent Technologies 75000 SERIES B User Manual
Page 67
Appendix B
Agilent E1364A Form C Switch Registers
Register Definitions
The Agilent E1364A Form C Switch is a register-based device.
See Figure B-1 for register definitions.
ID Register
b + 00
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Write
Undefined
(Logical Address)
Read*
Reg-Base
A16
Manufacturer ID
* Returns FFF
16
= Agilent A16 only register-based
Device Type Register
b + 02
16
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: FF20
16
= 16-Channel Form C Switch
Status/Control Register
b + 04
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Write*
Undefined
Read**
FF
16
B
7F
16
* R = Switch reset to power-on state (all switches open)
** B = Status "busy" is true low in bit #7 (FF7F
16
)
Channel Enable Register
b + 08
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Write*
CH15 CH14 CH13 CH12 CH11 CH10 CH9
CH8
CH7
CH6
CH5
CH4
CH3
CH2
CH1
CH0
Read
Always Returns FFFF
16
Write "1" closes channel, write "0" opens channel
(close = connect NO to C, open = connect NC to C)
Figure B-1. Form C Switch - Register Definitions
Appendix B
Agilent E1364A Form C Switch Registers 65