Table of Contents
Advertisement
ID Register
base + 00
15
14
16
Read
Device Class
1
1
Reading the Register
Device Type
Register
base + 02
15
14
16
Read
0
1
Appendix B
-- CVTable Channel 4 Register (base + 16
-- Samples Taken High Word Register (base + 18
-- Samples Taken Low Word Register (base + 1A
-- Calibration Flash ROM Address Register (base + 1C
-- Calibration Flash ROM Data Register (base + 1E
-- Calibration Source Register (base + 20
-- Range, Filter, Connect Channels 1 and 2 Register (base + 24
-- Range, Filter, Connect Channels 3 and 4 Register (base + 26
-- Trigger/Interrupt Level Channel 1 Register (base + 28
-- Trigger/Interrupt Level Channel 2 Register (base + 2A
-- Trigger/Interrupt Level Channel 3 Register (base + 2C
-- Trigger/Interrupt Level Channel 4 Register (base + 2E
-- Sample Period High Word Register (base + 30
-- Sample Period Low Word Register (base + 32
-- Pre-Trigger Count High Register (base + 34
-- Pre-Trigger Count Low Register (base + 36
-- Post-Trigger Count High Register (base + 38
-- Post-Trigger Count Low Register (base + 3A
-- Trigger Control/Source Register (base + 3C
-- Sample Control/Source Register (base + 3E
Reading the ID register returns FFF
the manufacturer is Hewlett-Packard and the module is an A16 register-
based device.
13
12
11
10
Addr Space
Manufacturer ID - returns FFF
0
0
•
Via Command Module PEEK command: DIAG:PEEK? 2083328,16
(2083328 = base with logical address 40 + 0 offset; see Figure B-2)
•
Via Digitizer Module PEEK command: DIAG:PEEK? 0
(0 signifies the first word, 16 bits, zero-base numbering system)
The "Programming Examples" on page 130 shows how to read the ID
Register.
Reading the Device Type Register returns 266
to identify the device as the HP E1563A 2-Channel Digitizer or 267
least significant bits to identify the device as the HP E1564A 4-Channel
Digitizer.
13
12
11
10
1
1
9
8
7
(-12289
16
9
8
7
HP E1563A (2-Channel Digitizer) = 266
HP E1564A (4-Channel Digitizer) = 267
HP E1563A and E1564A Register-Based Programming 117
)
16
)
16
)
16
)
16
)
16
)
16
)
16
)
16
)
16
)
16
)
16
)
16
)
16
in the least significant bits to indicate
16
6
5
4
3
)in Hewlett-Packard A16 only register-based
10
in the least significant bits
16
6
5
4
3
614
,
16
10
615
,
16
)
16
)
16
)
16
)
16
)
16
)
16
)
16
2
1
0
in the
16
2
1
0
;
10
Advertisement
Table of Contents
