AMIS-30522 Datasheet, PDF (24/28 Pages) AMI SEMICONDUCTOR – Micro-stepping Motor Driver

AMIS-30522 Micro-stepping Motor Driver
Table 30: SPI Status Register 1
Address
05h
Content
Access
Reset
Data
Bit 7
R
0
PAR
Status Register 1 (SR1)
Structure
Bit 6
Bit 5
Bit 4
Bit 3
R
R
R
R
0
0
0
0
OVCXPT OVCXPB OVCXNT OVCXNB
Bit 2
R
0
-
Bit 1
R
0
-
Bit 0
R
0
-
Where:
R
Reset
PAR
OVXPT
OVXPB
OVXNT
OVXNB
Read only mode access
Status after power-on or hard reset
Parity check
Over-current detected on X H-bridge: MOTXP terminal, top transistor
Over-current detected on X H-bridge: MOTXP terminal, bottom transistor
Over-current detected on X H-bridge: MOTXN terminal, top transistor
Over-current detected on X H-bridge: MOTXN terminal, bottom transistor
Remark: Data is latched
Table 31: SPI Status Register 2
Address
06h
Content
Access
Reset
Data
Bit 7
R
0
PAR
Status Register 2 (SR2)
Structure
Bit 6
Bit 5
Bit 4
Bit 3
R
R
R
R
0
0
0
0
OVCYPT OVCYPB OVCYYNT OVCYNB
Bit 2
R
0
TSD
Bit 1
R
0
-
Bit 0
R
0
-
Where:
R
Reset
PAR
OVCYPT
OVCYPB
OVCYNT
OVCYNB
TSD
Read only mode access
Status after power-on or hard reset
Parity check
Over-current detected on Y H-bridge: MOTYP terminal, top transistor
Over-current detected on Y H-bridge: MOTYP terminal, bottom transistor
Over-current detected on Y H-bridge: MOTYN terminal, top transistor
Over-current detected on Y H-bridge: MOTYN terminal, bottom transistor
Thermal shutdown
Remark: Data is latched
Table 32: SPI Status Register 3
Address
07h
Content
Access
Reset
Data
Bit 7
R
0
PAR
Status Register 3 (SR3)
Structure
Bit 6
Bit 5
Bit 4
Bit 3
R
R
R
R
0
0
0
0
MSP[6:0]
Where:
R
Reset
PAR
MSP[6:0]
Read only mode access
Status after power-on or hard reset
Parity check
Translator micro-step position
Remark: Data is not latched
Bit 2
R
0
Bit 1
R
0
Bit 0
R
0
Data Sheet
AMI Semiconductor – June 2007, M-20684-001
24
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