88 PPC11A 6U VME Single Board Computer
Publication No. PPC11A-HRM/1
5.20
Availability Registers
These registers show whether a feature is available on the PPC11A.
See the
NOTE
Even when a feature is marked as unavailable in these registers, the device may still be visible to software,
but may not be routed to backplane pins.
5.20.1 Ethernet Availability Register (Offset 0x6A0)
Bits
Description
Default
7 to 4
Ethernet ports 7 to 4 are not available:
0 = Ethernet port is not available
3
Ethernet port 3 availability depends on build options:
0 = Ethernet port is not available
1 = Ethernet port is available
2
Ethernet port 2 availability depends on build options:
0 = Ethernet port is not available
1 = Ethernet port is available
1
Ethernet port 1 is always available:
1 = Ethernet port is available
0
Ethernet port 0 is always available:
1 = Ethernet port is available
5.20.2 COM Port Availability Register (Offset 0x6A1)
Bits
Description
Default
7 & 6
COM ports 8 and 7 are not available:
0 = COM port is not available
5
COM port 6 availability depends on build options:
0 = COM port is not available
1 = COM port is available
4
COM port 5 availability depends on build options:
0 = COM port is not available
1 = COM port is available
3
COM port 4 availability depends on build options:
0 = COM port is not available
1 = COM port is available
2
COM port 3 availability depends on build options:
0 = COM port is not available
1 = COM port is available
1
COM port 2 availability depends on build options:
0 = COM port is not available
1 = COM port is available
0
COM port 1 is always available:
1 = COM port is available
Содержание PPC11A
Страница 1: ...Hardware Reference Manual PPC11A 6U VME Single Board Computer Edition 1 Publication No PPC11A HRM 1 ...
Страница 27: ...Publication No PPC11A HRM 1 Functional Description 27 Figure 4 2 Block Diagram T2081 ...
Страница 113: ...Publication No PPC11A HRM 1 Connectors 113 Figure 6 2 Rear Connector Position ...