PEP CP390 Manual page 28

CP390
Figure 4-2: Hotswap State Machine
EXT: 0
INS: 0
ENUM#: 1
DISCONNECT#: 1
LED#: 1
HANDLE: closed
EIM: 0
LOO: 0
FFs valid: 0
Toggle
EIM and LOO
EXT: 0
INS: 0
ENUM#: 1
DISCONNECT#: 1
LED#: 1
Handle: closed
EIM: 0
LOO: 0
FFs valid: 1
#: low active signal
FFs valid: PLD-internal Flip-Flops are valid.
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Power on
ENUM#: 0
DISCONNECT#: 1
Handle: closed
Toggle
EIM and LOO
FFs valid: 1
Extraction armed
Open Handle
ENUM#: 0
DISCONNECT#: 1
Handle: open
FFs valid: 1
® PEP Modular Computers GmbH
Slot empty
Insertion
EXT: 0
INS: 1
LED#: 1
EIM: 0
LOO: 0
Close Handle
Disconnected
Extraction
Toggle
EXT: 1
EIM and LOO
INS: 0
followed by
Setting LOO
LED#: 1
EIM: 0
LOO: 0
Hotswap
EXT: 0
INS: 0
ENUM#: 1
DISCONNECT#: 1
LED#: 1
Handle: open
EIM: 0
LOO: 0
FFs valid: 0
Physical
Physical Insertion:
Extraction: Power
Handle Ramping,
is open Handle
is open
EXT: 0
INS: 0
ENUM#: 1
DISCONNECT#: 0
LED#: 0
Handle: open
EIM: 0
LOO: 1
FFs valid: 1
ID 19976, Rev. 0200