AMIS-30521 Datasheet, PDF (23/26 Pages) AMI SEMICONDUCTOR – Micro-stepping Motor Driver

AMIS-30521 Micro-stepping Motor Driver
Data Sheet
Table 31: SPI Status Flags Overview
Flag
Mnemonic
Length
(bit)
Related SPI Register
Charge pump failure CPFail
1
SPI Status Register 0
Micro-step position
MSP[6:0]
7
OPEN Coil X
OPENX
1
OPEN Coil Y
OPENY
1
OVer Current on X
H-bridge; MOTXN
OVCXNB
1
terminal; Bottom tran.
OVer Current on X
H-bridge; MOTXN
OVCXNT
1
terminal; Top transist.
OVer Current on X
H-bridge; MOTXP
OVCXPB
1
terminal; Bottom tran.
OVer Current on X
H-bridge; MOTXP
OVCXPT
1
terminal; Top transist.
OVer Current on Y
H-bridge; MOTYN
OVCYNB
1
terminal; Bottom tran.
OVer Current on Y
H-bridge; MOTYN
OVCYNT
1
terminal; Top transist.
OVer Current on Y
H-bridge; MOTYP
OVCYPB
1
terminal; Bottom tran.
OVer Current on Y
H-bridge; MOTYP
OVCYPT
1
terminal; Top transist.
Thermal shutdown
TSD
1
Thermal warning
TW
1
SPI Status Register 0
SPI Status Register 0
SPI Status Register 0
SPI Status Register 1
SPI Status Register 1
SPI Status Register 1
SPI Status Register 1
SPI Status Register 2
SPI Status Register 2
SPI Status Register 2
SPI Status Register 2
SPI Status Register 2
SPI Status Register 0
Comment
Reset State
‘0’ = no failure
‘1’ = failure: indicates that the charge pump does ‘0’
not reach the required voltage level. Note 1
Translator micro-step position
‘0000000’
‘1’ = Open coil detected
‘0’
‘1’ = Open coil detected
‘0’
‘0’ = no failure
‘1’ = failure: indicates that over current is ‘0’
detected at bottom transistor XN-terminal
‘0’ = no failure
‘1’ = failure: indicates that over current is ‘0’
detected at top transistor XN-terminal
‘0’ = no failure
‘1’ = failure: indicates that over current is ‘0’
detected at bottom transistor XP-terminal
‘0’ = no failure
‘1’ = failure: indicates that over current is ‘0’
detected at top transistor XP-terminal
‘0’ = no failure
‘1’ = failure: indicates that over current is ‘0’
detected at bottom transistor YN-terminal
‘0’ = no failure
‘1’ = failure: indicates that over current is ‘0’
detected at top transistor YN-terminal
‘0’ = no failure
‘1’ = failure: indicates that over current is ‘0’
detected at bottom transistor YP-terminal
‘0’ = no failure
‘1’ = failure: indicates that over current is ‘0’
detected at top transistor YP-terminal
‘0’
‘0’
AMI Semiconductor – June 2007, M-20683-001
23
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