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Reading the Register
Status/Control
Register
base + 04
15
14
16
Write*
A
Unde-
fined
Read**
A
M
Status/Control register bits defined:
bit 0
bit 1
bit 6
bit 7
bit 12
bit 13
MOT-INTEL
bit 15
bit 0
bit 1
bit 2
bit 3
bits 4 & 5
Arm Delay
bit 6
bit 7
bits 8, 9,
Memory
and 10
118 HP E1563A and E1564A Register-Based Programming
•
Via Command Module PEEK command: DIAG:PEEK? 2083330,16
(2083328 = base with logical address 40 + 02 offset; see Figure B-2)
•
Via Digitizer Module PEEK command: DIAG:PEEK? 1
(1 signifies the second word, 16 bits, zero-base numbering system)
The "Programming Examples" on page 130 shows how to read the Device
Type Register.
Writes to the Status/Control Register (base + 04
reset the module and set either A24 or A32 decoding. You can also read the
MODID bit.
13
12
11
MOT-
A24
INTEL
MOT-
A24 Unde-
INTEL
fined
*WRITE BITS (Status/Control Register)
R
Writing a "1" to this bit resets the digitizer to the power-on state. You must set bit 0
back to a logical "0" before resuming normal operations of the module.
S
"1" inhibits sysfail, "0" does not inhibit sysfail.
E
"1" disables error reporting LED, "0" enables error reporting LED (front panel).
F
"1" disables Flash ROM "write", "0" enables Flash ROM "write".
A24
"1" sets A24 space as all FIFO, "0" sets A24 space as broken up.
"1" sets Motorola format for reading ordering, "0" sets Intel format for reading ordering.
A
"1" enables A32 decoding, "0" enables A24 decoding.
**READ BITS (Status/Control Register)
R
Reset Status; "1" = module reset, "0" = normal operation.
S
SYSFAIL inhibit; "1" = inhibited, "0" = not inhibited.
P
Passed; "1" = passed, "0" = failed.
RDY
Ready; "1" = A32 decoding enabled, "0" = A24 decoding enabled.
Bit 4 is "1" for 1 mS after a range/filter change then returns to "0", bit 5 is "1" for 30
mS after range/filter change then returns to "0".
E
Error; "1" disables front panel error LED, "0" enables front panel error LED.
F
Flash ROM; "1" disables Flash ROM "write", "0" enables Flash ROM "write".
Memory Size; "000" = 4 MBytes, "001" = 8 MBytes, "010" = 16 MBytes, "011" = 32
Size
MBytes, "100" = 64 MBytes, "101" = 128 MBytes.
10
9
8
7
undefined
F
Memory Size
F
) which enables you to
16
6
5
4
3
E
Undefined
E
Arm Delay
RDY
2
1
0
S
R
P
S
R
Appendix B
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