MC33989DW Freescale Semiconductor, MC33989DW Datasheet - Page 59

• Manufacturer Part Number: MC33989DW
• Description: IC SYSTEM BASE W/CAN 28-SOIC
• Manufacturer: Freescale Semiconductor

Specifications of MC33989DW

• Controller Type: System Basis Chip
• Interface: CAN
• Voltage - Supply: 5.5 V ~ 18 V
• Current - Supply: 45mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)
• For Use With: KIT33989DWEVB - KIT EVAL 33989DW HS SBC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

How to Use the Interrupt Function
CAN failure, V2 voltage below 4 V, HS1 overtemperature,
V
Recognition and Recovery
How to Distinguish Between V2LOW and HS1
Overtemperature
Analog Integrated Circuit Device Data
Freescale Semiconductor
SUP
The interruptions are configurable in the INTR register.
below 6.1 V are interruption configurable.
Terminal
INT
Terminal
INT
Read IOR ($60)
Figure 61. Distinguish Between V2LOW and HS1 Overtemperature
Figure 60. Recognition and Recovery
Read INTR ($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
33989
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