MC33989DW Freescale Semiconductor, MC33989DW Datasheet - Page 44

• 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

CAN Wake-Up
Refer to page
and the TCAN analysis.
• T
• T1: Third pulse on CAN to INT pulse: typ 80 µs.
• The total time is 113 µs in this case.
44
33989
TYPICAL APPLICATIONS
SUPPLEMENTAL APPLICATION NOTES
The case below describes the signal for CAN wake-up.
• T1: CS rising edge to INT pulse: typ 60 µs.
• The total time is 133 µs in this case.
CAN
CAN
CS
INT
INT
:
refer to page
L0
INT
49
for more details on CAN wake-up signals
49
t1
Wake-up signalled to MCU.
for more details.
tCAN
T1
t INT + t S-1STSPI (33µs max)
Wake-up signalled to MCU.
Wake-up signalled to MCU.
t1
Figure 30. CAN Wake-Up
Figure 31. CS Wake-Up
Figure 29. Lx Wake-Up
t INT + t S-1STSPI (33µs max)
t INT + t S-1STSPI (33µs max)
SBC ready to accept SPI command.
CS Wake-Up
transition, while the SBC is in stop mode.
Overcurrent Wake-Up
overcurrent is detected at V
will lead to a wake-up from stop mode.
The figure below describes the wake up from a CS signal
The following figure describes the signal when an
SBC ready to accept SPI command.
SBC ready to accept SPI command.
Analog Integrated Circuit Device Data
DD1
. A V
Freescale Semiconductor
DD1
overcurrent condition