COMe-bEP7 Module User Guide
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10/
System Resources
10.1.
Interrupt Request (IRQ) Lines
Refer to your OS documentation on how to determine IRQ usage.
10.2.
Memory Area
Refer to your OS documentation on how to determine memory usage.
10.3.
I/O Address Map
The I/O-port addresses of the bEP7 are functionally identical to a standard PC/AT.
All addresses not mentioned in this table should be available. We recommend that
you do not use I/O addresses below 0100h with additional hardware for
compatibility reasons, even if available.
Table 24: Designated I/O Port Addresses
I/O
Address
Used for
Available
Comment
0000-
001F
DMA
Controller
No
Fixed
0020-
002D
Interrupt
Controller
No
Fixed
0002E-
002F
Onboard UART
No
Fixed
0030-
003D
Interrupt
Controller
No
Fixed
0040-
0042
Timer/Counter
No
Fixed
004E-
004F
Winbond
83627DHG
No
When SIO
present on
carrier
0050-
0052
Timer/Counter
No
Fixed
