FUNCTIONAL DEVICE OPERATIONS
OPERATIONAL MODES
Normal Request Time-out Expired (tNRTOUT
)
Normal Request timeout expired (NRTOUT
)
V
Low
Low
V
DD
DD
VDD High and
Power Up
Reset Delay (t
) Expired
VDD High and Reset Delay (tRST) expired
RST
Power
Normal
Reset
Down
Request
VDD Low
VDD Low
Normal
WD Failed
WD failed
VDDLLowO(W>NR(>tN
reT) Expired
d
VDD
)
TOUTR
e
T
x
O
pi
U
and VSUV = 0
and VSUV = 0
Sleep Command
SLEEP Command
Wake-Up (Reset)
Wake-Up (Reset)
Sleep
Stop
VV Low
DD Low
DD
Legend
WD: Watchdog
Notes:
WD Disabled: Watchdog disabled (WDCONF pin connected to GND)
WD - means Watchdog
WD Trigger: Watchdog is triggered by SPI command
WD disabled - means Watchdog disabled (WDCONF terminal connected to GND)
WD Failed: No watchdog trigger or trigger occurs in closed window
WD trigger – means Watchdog is triggered by SPI command
Stop Command: Stop command sent via SPI
WD failed – means no Watchdog trigger or trigger occurs in closed window
Sleep Command: Sleep command sent via SPI
STOP Command - means STOP command sent via SPI
Wake-Up from Stop Mode: L1, L2, L3 or L4 state change, LIN bus wake-up, Periodic wake-up, CS rising edge wake-up or RST wake-up.
SLEEP Command - means SLEEP command send via SPI
Wake-Up from Sleep Mode: L1, L2, L3 or L4 state change, LIN bus wake-up, Periodic wake-up.
Wake-Up - means L1 or L2 state change or LIN bus wake up or SS rising edge
Figure 15. Operating Modes and Transitions
33912
Analog Integrated Circuit Device Data
Freescale Semiconductor
26
FREESCALE [ Freescale ]
