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Spw-10x spacewire router – Atmel SpaceWire Router SpW-10X User Manual

Page 113

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Ref.: UoD_SpW-10X_

UserManual

Issue: 3.4

SpW-10X

SpaceWire Router

User Manual

Date: 11

th

July 2008

Preliminary

113

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
one of the error bits are set.

R

1 Packet

address error

‘0’

The packet address error bit is
set when a packet is received
with an incorrect address.

R

2 Output

port

timeout error

‘0’

The output timeout error bit set
when the output port has
become blocked for a period of
time.

R

3 Disconnect

error

‘0’

The disconnect error bit is set
when a disconnect error occurs
on the SpaceWire link

R

4

Parity error

‘0’

The parity error bit is set when a
parity error occurs on the
SpaceWire link

R

5

Escape error

‘0’

The escape error bit is set when
an escape error occurs on the
SpaceWire link

R

6

Credit error

‘0’

The credit error bit is set when a
credit error occurs on the
SpaceWire link

R

7 Character

sequence
error

‘0’

The character sequence error bit
is set when a character
sequence error occurs on the
SpaceWire link

R

10:8

Interface state “000”

The interface state bits indicate
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

R

11

Running

‘0’

The running bit is set when the
SpaceWire interface state
machine is in the Run state.

R

12 AutoStart ‘1’

When

set the SpaceWire link will

autostart as defined in the
SpaceWire standard [AD1]: the

R/W