CLK
EN
CONTROL
ASEL
IRQ
IN-CIRCUIT
PROGRAMMABLE
LOGIC
SCHMITT
TRIGGER
BUFFER
JUMPER
SELECTED
FILTERS
8
ISOLATED
INPUTS
LATCHED
HIGH
CURRENT
DRIVERS
8
FORM-C
RELAYS
SPDT
ADDRESS
DECODE
LOGIC
IRQ JUMPER
SELECTION
8 BITS
DIGITAL IN
PC/104 8-BIT BUS
CO
NT
RO
L L
IN
E
S
DA
T
A
L
INE
S
I/O
C
O
N
N
E
C
T
O
R
I/O
C
O
N
N
E
C
T
O
R
Figure 1-1:
BLOCK DIAGRAM
Manual 104-IIRO-8(E)
6