AMIS-30521 Datasheet, PDF (25/28 Pages) AMI SEMICONDUCTOR – Micro-stepping Motor Driver

AMIS−30521, NCV70521
Table 15. SPI STATUS FLAGS OVERVIEW
Mnemonic
Flag
Length
(bit)
Related
SPI Register
Comment
’0’ = no failure
CPFail Charge Pump Failure
1
Status Register 0 ’1’ = failure: indicates that the charge pump does
not reach the required voltage level.
MSP[6:0] Micro Step Position
7
Status Register 3 Translator micro step position
OPENX
OPEN Coil X
1
Status Register 0 ’1’ = Open coil detected
OPENY
OPEN Coil Y
1
Status Register 0 ’1’ = Open coil detected
OVCXNB
Overcurrent at
MOTXN Terminal;
Bottom Transistor
’0’ = no failure
1
Status Register 1 ’1’ = failure: indicates that over current is detected
at bottom transistor XN−terminal
Overcurrent at
’0’ = no failure
OVCXNT MOTXN Terminal; Top
1
Status Register 1 ’1’ = failure: indicates that over current is detected
Transistor
at top transistor XN−terminal
OVCXPB
Overcurrent at
MOTXP Terminal;
Bottom Transistor
’0’ = no failure
1
Status Register 1 ’1’ = failure: indicates that overcurrent is detected at
bottom transistor XP−terminal
Overcurrent at
’0’ = no failure
OVCXPT MOTXP Terminal; Top
1
Status Register 1 ’1’ = failure: indicates that overcurrent is detected at
Transistor
top transistor XP−terminal
OVCYNB
Overcurrent at
MOTYN Terminal;
Bottom Transistor
’0’ = no failure
1
Status Register 2 ’1’ = failure: indicates that overcurrent is detected at
bottom transistor YN−terminal
Overcurrent at
’0’ = no failure
OVCYNT MOTYN Terminal; Top
1
Status Register 2 ’1’ = failure: indicates that overcurrent is detected at
Transistor
top transistor YN−terminal
OVCYPB
Overcurrent at
MOTYP Terminal;
Bottom Transistor.
’0’ = no failure
1
Status Register 2 ’1’ = failure: indicates that overcurrent is detected at
bottom transistor YP−terminal
Overcurrent at
’0’ = no failure
OVCYPT MOTYP Terminal; Top
1
Status Register 2 ’1’ = failure: indicates that overcurrent is detected at
Transistor.
top transistor YP−terminal
TSD
Thermal Shutdown
1
Status Register 2
TW
Thermal Warning
1
Status Register 0
Reset State
’0’
’0000000’
’0’
’0’
’0’
’0’
’0’
’0’
’0’
’0’
’0’
’0’
’0’
’0’
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