6. About Hardware
64
DIO-6464T2-PCI,
DI-128T2-PCI,
DO-128T2-PCI
Block Diagram
DIO-6464T2-PCI
DIO-6464T2-PCI
Control
Circuits
PCI Ex
pr
es
s
BU
S
Interrupt
Control
Circuit
TTL
receiver
TTL
receiver
TTL
receiver
TTL
receiver
TTL
receiver
TTL
receiver
TTL
receiver
TTL
receiver
TTL
driver
TTL
driver
TTL
driver
TTL
driver
TTL
driver
TTL
driver
TTL
driver
TTL
driver
External digital
input Port 0
(8 channels, Group 0)
External digital
input Port 1
(8 channels, Group 1)
External digital
input Port 2
(8 channels, Group 2)
External digital
input Port 3
(8 channels, Group 3)
External digital
input Port 4
(8 channels, Group 4)
External digital
input Port 5
(8 channels, Group 5)
External digital
input Port 6
(8 channels, Group 6)
External digital
input Port 7
(8 channels, Group 7)
External digital
output Port 0
(8 channels, Group 8)
External digital
output Port 1
(8 channels, Group 9)
External digital
output Port 2
(8 channels, Group A)
External digital
output Port 3
(8 channels, Group B)
External digital
output Port 4
(8 channels, Group C)
External digital
output Port 5
(8 channels, Group D)
External digital
output Port 6
(8 channels, Group E)
External digital
output Port 7
(8 channels, Group F)
Figure 6.1. Block Diagram < DIO-6464T2-PCI >