Atmel SpaceWire Router SpW-10X - Manual (Page 109)

Ref.: UoD_SpW-10X_
UserManual
Issue: 3.4
SpW-10X
SpaceWire Router
User Manual Date: 11 th
July 2008
Preliminary
109
Bits Name Reset
Value Description Read/Write
28:24 Current port
connection
All bits
set to
one. The current port connection bits indicate the input
port which this output port is currently connected
to.
Port number 31 (bits 28:24 set to 11111) means
that there is no port currently connected to the
input port. This is the reset condition.
R
31:29 Port Type All bits
set to
zero. Indicates the port type. Possible port types are
listed below:
“000” – Configuration port.
“001” – SpaceWire port.
“010” – External port.
R
9.4.2 Configuration port control/status register fields.
The configuration port control/status fields specific to the configuration port are described in Table 9-5.
Any errors occurring in the configuration port are reported via status bits in this register and the
configuration command that caused the error is replied to with a NACK. Error status bits are cleared
by writing to the Error Active register, see section 9.5.4.