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AMIS-30624 I
2
C Microstepping Motordriver
Data Sheet
15.2.9. Flags Table
Table 19: Flags Table
Flag
Mnemonic
Length
(Bit)
Related Commands
Comment
Reset State
Charge pump failure
CPFail
1
GetFullStatus1
‘0’ = charge pump OK
‘1’ = charge pump failure
reset only after
GetFullStatus
<OVC1>
or <
OVC2>
or
<open circuit 1>
or
<open circuit 2>
or
<CPFail>
resets only after
GetFullStatus1
‘0’ = open
‘1’ = close
“x00” = Stop
“001” = inner motion acceleration
“010” = inner motion deceleration
“011” = inner motion max. speed
“101” = outer motion acceleration
“110” = outer motion deceleration
“111” = outer motion max. speed
‘1’ = over current
reset only after
GetFullStatus1
‘1’ = over current
reset only after
GetFullStatus1
‘0’ if
SecPos
= “100 0000 0000”
‘1’ otherwise
‘1’ = step loss due to under voltage, over current
or open circuit
‘1’ = Vbemf > Average + DeltaThr
‘1’ = Vbemf < Average – DeltaThr
‘1’ = Vbemf > AbsThr
Stall detected
“00” = normal temperature range
“01” = low temperature warning
“10” = high temperature warning
“11” = motor shutdown
‘1’ = shutdown (> 155°C typ.)
reset only after
GetFullStatus1
and if
<
Tinfo
> = “00”
‘1’ = over temp (> 145°C)
reset only after
GetFullStatus1
and if
<
Tinfo
> = “00”
‘0’ = Vbb > UV2
‘1’ = Vbb
≤
UV2
reset only after
GetFullStatus1
Set at ‘1’ after power-up of the circuit. If this was
due to a supply micro-cut, it warns that the RAM
contents may
have been lost; can be reset to ‘0’ with a
GetFullStatus1
command.
‘0’
Electrical defect
ElDef
1
GetFullStatus1
‘0’
External switch status
ESW
1
GetFullStatus1
‘0’
Motion status
Motion
3
GetFullStatus1
“000”
Over current in coil X
OVC1
1
GetFullStatus1
‘0’
Over current in coil Y
OVC2
1
GetFullStatus1
‘0’
Secure position enabled
SecEn
1
Internal use
NA
Step loss
StepLoss
1
GetFullStatus1
‘1’
Delta high stall
Delta low stall
Absolute stall
Stall
DelStallHi
DelStallLo
AbsStall
Stall
1
1
1
1
GetFullStatus2
GetFullStatus2
GetFullStatus2
GetFullStatus1
‘0’
‘0’
‘0’
‘0’
Temperature info
Tinfo
2
GetFullStatus1
“00”
Thermal shutdown
TSD
1
GetFullStatus1
‘0’
Thermal warning
TW
1
GetFullStatus1
‘0’
Battery
stop voltage
UV2
1
GetFullStatus1
‘0’
Digital supply reset
VddReset
1
GetFullStatus1
‘1’
30
AMI Semiconductor
– Apr. 2007, Rev 3.1, M-20664-003
www.amis.com