MC33989PEG Freescale Semiconductor, MC33989PEG Datasheet - Page 61

• Manufacturer Part Number: MC33989PEG
• Description: SBC-HS
• Manufacturer: Freescale Semiconductor

How to Use the Interrupt Function
6.1 V are interruption configurable.
Recognition and Recovery
How to Distinguish Between V2LOW and HS1 Over-temperature
Analog Integrated Circuit Device Data
Freescale Semiconductor
The interruptions are configurable in the INTR register. CAN failure, V2 voltage below 4 V, HS1 over-temperature, V
Terminal
INT
Terminal
INT
Read IOR ($60)
Figure 61. Distinguish Between V2LOW and HS1 Over-temperature
Figure 60. Recognition and Recovery
Read INTR ($E0)
Write
INTR=INTR& $FX
INTR =$X 4 &
INTR =$X 4 &
IOR=$X 4
IOR=$X 8
NO
• In order to identified the source of the interruption
•
note: V2 and HS1-OT are merged in the same bit
Mask the interruption running to deactivate
the INT terminal
• Interrupt from V2LOW
• Interrupt from HS1
SUPPLEMENTAL APPLICATION NOTES
TYPICAL APPLICATIONS
SUP
below
33989
61