MC33989DW Freescale Semiconductor, MC33989DW Datasheet - Page 56

• 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 Configure Wake-Up Before Going in Low Power
Mode
Enable CAN Wake-Up
Enable Wake-Up From LX, No Cyclic Function
Enable Wake-Up From LX, with Cyclic Sense Function
Force Wake-Up
Disable all Wake-Up
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33989
TYPICAL APPLICATIONS
SUPPLEMENTAL APPLICATION NOTES
Write CAN= $51
Write LPC =$D9
Write TIM2= $BX
Write WUR =$9X
Write LPC= $D4
Write TIM2= $BX
Write LPC =$D0
Write WUR =$90
Write CAN =$53
Write LPC =$D0
Write WUR= $9X
Figure 52. Enable Wake-Up From LX without Cyclic Sense
Figure 50. Wake-Up Configure Before Low Power Mode
Figure 53. Enable Wake-Up From LX with Cyclic Sense
Figure 51. Enable CAN Wake-Up
Figure 55. Disable all Wake-Up
Write IOR= $74
Write IOR= $70
• CAN sleep and CAN wake-up enable
note: CAN interface will enter sleep mode as soon as this command is sent in
Figure 54. Force Wake-Up
• Force wake-up, no cyclic sense function, LX cyclic
• Force wake-up period
• No force wake-up, cyclic sense function, LX cyclic
• Cyclic sense period
• Wake-up levels on LX
• Disable Force wake-up,LX cyclic
• Disable LX
• CAN sleep and CAN wake-up disable
note: can interface will enter sleep mode as soon as $53 is sent
• no force wake-up, no cyclic sense, no LX cyclic
• Wake-up levels on LX
refer to the specification for details
• Turn off HS1
• Turn on HS1
Analog Integrated Circuit Device Data
Freescale Semiconductor