908E624_10 Datasheet, PDF (23/40 Pages) Freescale Semiconductor, Inc – Integrated Triple High Side Switch with Embedded MCU and LIN Serial Communicationfor Relay Drivers

MCU
From Reset
initialize
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
Power Die
operate
SPI:
2x STOP
Command
STOP
IRQ
interrupt
?
SPI: reason for
interrupt
Switch to VREG
low current mode
Wake Up on
LIN or L1, L2?
Assert IRQ
Switch to VREG
high current mode
operate
Figure 12. Stop Mode / Wake-Up Procedure
Analog Integrated Circuit Device Data
Freescale Semiconductor
908E624
23