Atmel SpW-10X user manual SpaceWire Router, User Manual, Preliminary

SpW-10X	Ref.:	UoD_SpW-10X_
SpaceWire Router		UserManual
	Issue:	3.4
User Manual
	Date:	11th July 2008

Table 9-6 SpaceWire Port Control/Status Register Fields.

Bits	Name	Reset Value		Description	Read/Write
0	Error active	‘0’		The error active bit is set when	R
				one of the error bits are set.
1	Packet	‘0’		The packet address error bit is	R
	address error			set when a packet is received
				with an incorrect address.
2	Output port	‘0’		The output timeout error bit set	R
	timeout error			when the output port has
				become blocked for a period of
				time.
3	Disconnect	‘0’		The disconnect error bit is set	R
	error			when a disconnect error occurs
				on the SpaceWire link
4	Parity error	‘0’		The parity error bit is set when a	R
				parity error occurs on the
				SpaceWire link
5	Escape error	‘0’		The escape error bit is set when	R
				an escape error occurs on the
				SpaceWire link
6	Credit error	‘0’		The credit error bit is set when a	R
				credit error occurs on the
				SpaceWire link
7	Character	‘0’		The character sequence error bit	R
	sequence			is set when a character
	error			sequence error occurs on the
				SpaceWire link
10:8	Interface state	“000”		The interface state bits indicate	R
				the state of the interface state
				machine in the SpaceWire link.
				“000” = Error Reset
				“001” = Error Wait
				“010” = Ready
				“011” = Started
				“100” = Connecting
				“101” = Run
11	Running	‘0’		The running bit is set when the	R
				SpaceWire interface state
				machine is in the Run state.
12	AutoStart	‘1’		When set the SpaceWire link will	R/W
				autostart as defined in the
				SpaceWire standard [AD1]: the
			Preliminary		113