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Register Descriptions
Manufacturer ID
Register
Base + 00
15
14
16
Write
Read*
*Returns FFFF
= Hewlett-Packard A16 only register-based.
16
Device Type
Register
Base + 02
15
14
16
Write
Read
1
1
Status/Control
Register
Base + 04
15
14
16
Write
-
-
Read
1
1
Note
60
HP E1328A Register-Based Programming
The following pages detail register descriptions for the HP E1328A
4-Channel D/A Converter Module.
Reading this register returns FFFF
manufacturer and that the module is an A16 register based device.
Manufacturer ID Register (Read Only)
13
12
11
10
Reading this register returns FF7F
HP E1328A 4-Channel D/A Converter Module.
Device Type Register (Read Only)
13
12
11
10
1
1
1
1
Eleven 1-bit fields provide information on equipment and operational status.
Refer to the register definitions and the following explanation for
Status/Control Register information.
Status/Control Register (Read/Write)
13
12
11
10
9
-
-
-
-
-
1
1
S4
S3
S2
C/P RDY: (Ready - bit 0). A one (1) in this field indicates that the D/A
Converter's data buffer is empty and that data may be written to registers
08
through 1E
16
This bit must be checked before writing to registers 08
(except the RESTART command).
. This shows Hewlett-Packard as the
16
9
8
7
6
Undefined
Manufacturer ID
. This shows that the device is an
16
9
8
7
6
Undefined
1
1
0
1
8
7
6
5
-
-
-
-
S1 DON ER*
IE*
. Note: This bit was formerly called RDY.
16
5
4
3
2
5
4
3
2
1
1
1
1
4
3
2
1
-
-
-
SFI
CF* READY PAS
1
through 1E
16
Appendix B
1
0
1
0
1
1
0
SR
C/P RDY
16
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