AMIS30421C4211G ONSEMI [ON Semiconductor], AMIS30421C4211G Datasheet - Page 34

• Manufacturer Part Number: AMIS30421C4211G
• Description: Micro-Stepping Stepper Motor Bridge Controller
• Manufacturer: ONSEMI [ON Semiconductor]

Status Register 2 (SR2)
the bit will be set and can only be cleared by reading out this bit
the Y−coil, or to report a thermal shutdown.
Notice that bit 7 is the parity bit (see READ operation p26).
Table 20. STATUS REGISTER 1 PARAMETERS
Table 21. STATUS REGISTER 2
Table 22. STATUS REGISTER 2 PARAMETERS
Status Register 2 is located at address 0x06 and can only be read. Status Register 2 is a latched register. If an error occurs
Address
2. In Sleep mode the register can be read out but will not be cleared!
0x06
Parameter
Parameter
OVCXNB
OVCYNB
OVCXPT
OVCXPB
OVCXNT
OPEN_X
OVCYPT
OVCYPB
OVCYNT
OPEN_Y
CPFAIL
TSD
Access
Reset
Data
Value
Value
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Bit 7
PAR
No charge pump failure
R
No open coil detected
0
No open coil detected
No thermal shutdown
Charge pump failure
Open coil detected
Open coil detected
Thermal shutdown
No overcurrent
No overcurrent
No overcurrent
No overcurrent
No overcurrent
No overcurrent
No overcurrent
No overcurrent
Overcurrent
Overcurrent
Overcurrent
Overcurrent
Overcurrent
Overcurrent
Overcurrent
Overcurrent
Value
Value
OVCYPT
Bit 6
R
0
Status Register 2 (SR2)
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OVCYPB
Bit 5
R
0
Overcurrent detection in top transistor XP−terminal
Overcurrent detection in bottom transistor XP−terminal
Overcurrent detection in top transistor XN−terminal
Overcurrent detection in bottom transistor XN−terminal
Charge pump failure detection
Open coil detection for X−coil
Note: a short circuit could trigger an open coil
Overcurrent detection in top transistor YP−terminal
Overcurrent detection in bottom transistor YP−terminal
Overcurrent detection in top transistor YN−terminal
Overcurrent detection in bottom transistor YN−terminal
Thermal Shutdown detection
Open coil detection for X−coil
Note: a short circuit could trigger an open coil
34
2
. The register is used to report an overcurrent or open coil in
OVCYNT
Bit 4
R
0
OVCYNB
Description
Description
Bit 3
R
0
Bit 2
TSD
R
0
OPEN_Y
Bit 1
R
0
Bit 0
Info
Info
p23
p23
p23
p23
p23
p23
p23
p23
p23
p23
p23
p23
R
0
−