Jumper Blocks
VCM-DAS-3 Reference Manual
13
J
UMPER
S
UMMARY
Table 5: Jumper Summary
Jumper
Block
Description
As
Shipped
Page
V1[15-16]
Bit Mode Selector
In
= 16-bit ISA Transactions
Out = 8-bit ISA Transactions
8-bit mode forces the VCM-DAS-3 to respond with 8-bit transactions. This mode
is required when using the board on an 8-bit bus. The 16-bit mode allows both 8
and 16-bit transactions.
In
V1[13-14]
Enhanced/Compatible Mode Selector
In
= Enhanced Mode
Out = Compatible Mode
Enhanced mode provides extra DAC functions, which should operate properly in
applications designed for the Diamond Systems Ruby-MM board.
In
V1
[11-12] to
[1-2]
Base Address Selector
– A base address of 0x000 to 0x3F0 can be selected.
The last digit is always 0.
First Digit
[11-12] 9-10]
0
In
Out
1
Out
In
2
Out
In
3
Out
Out
Second Digit
[7-8]
[5-6]
[3-4]
[1-2]
0
In
In
In
In
1
In
In
In
Out
2
In
In
Out
In
3
In
In
Out
Out
4
In
Out
In
In
5
In
Out
In
Out
6
In
Out
Out
In
7
In
Out
Out
Out
8
Out
In
In
In
9
Out
In
In
Out
A
Out
In
Out
In
B
Out
In
Out
Out
C
Out
Out
In
In
D
Out
Out
In
Out
E
Out
Out
Out
In
F
Out
Out
Out
Out
Out, Out,
In, In, In, In,
(0x300)
V2
A/D Channel 0-7 Span Range Selector
[7-8]
[5-6]
[3-4]
[1-2]
0V to +5V
In
In
In
In
0V to +10V
In
In
In
Out
-
5V to +5V
In
In
Out
In
-
10V to +10V
In
In
Out
Out
-
2.5V to +2.5V
In
Out
In
In
-
2.5V to +7.5V
In
Out
In
Out
These jumpers set the initial power up span ranges for A/D channels 0-7.
In, In, In, In
(0V to +5V)
