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Register Bit Descriptions
Manufacturer ID
Register
base + 00
15
14
16
Write
Read
1
1
Device Class
Address Space
Manufacturer ID
Device Type
Register
base + 02
15
14
16
Write
Read
Model Code
86 HP E1351A/53A Register-Based Programming
This section contains a description of the function of each bit which is
addressable in each register. The bits are listed according to the title of the
WRITE bit name, with the READ definition at the end of the description.
For registers 00
16
READ definition.
The 16-Channel FET Multiplexer Module always returns FFFF
Manufacturer ID Register READ.
13
12
11
10
1
1
1
1
There are four classifications. The FET Multiplexer Module is a
register-based device (11).
The FET Multiplexer Module uses A16 address mode.
Hewlett-Packard's identification number is 4095, which corresponds to bits
11 - 0 all set to 1.
The Device Type Register contains a model code which identifies the
module.
13
12
11
10
Model Code. The following model codes identify the HP E1351A FET
Multiplexer and HP E1353A Thermocouple FET Multiplexer:
F F 1 0
HP E1351A 16-Channel FET Multiplexer
16
F F 1 2
HP E1353A 16-Channel Thermocouple FET Multiplexer
16
and 02
, the bits are listed according to the title of the
16
9
8
7
6
Undefined
1
1
1
1
9
8
7
6
Undefined
Model Code
on a
16
5
4
3
2
1
1
1
1
5
4
3
2
Appendix B
1
0
1
1
1
0
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