MC33989PEG Freescale Semiconductor, MC33989PEG Datasheet - Page 47

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

Over-current Wake-up
a wake-up from Stop mode.
LX with Cyclic Sense
Analog Integrated Circuit Device Data
Freescale Semiconductor
• T1: CS rising edge to INT pulse: typ 60 µs.
• The total time is 133 µs in this case.
The following figure describes the signal when an over-current is detected at V
• T1:V
• T2: Over-current detected to SBC wake-up (INT pulse) = typ 60 µs
• The total time is 148 µs in this case.
IDD1 current
INT
LX
HS1
INT
CS
INT
DD1
(17 mA typ)
I DD1S-WU
output current deglitcher time:IDD1-DGLT: typ 55 µs
t1
T1
t1
Wake-up signalled to MCU.
Wake-up signalled to MCU.
Figure 32. Over-current Wake-up
Figure 33. LX with Cyclic Sense
Wake-up signalled to MCU.
t2
t2
Figure 31. CS Wake-up
t INT + t S-1STSPI (33μs max)
t INT + t S-1STSPI (33μs max)
t INT + t S-1STSPI (33μs max)
DD1
SBC ready to accept SPI command.
. A V
SBC ready to accept SPI command.
SBC ready to accept SPI command.
DD1
SUPPLEMENTAL APPLICATION NOTES
over-current condition will lead to
TYPICAL APPLICATIONS
33989
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