mc33905s Freescale Semiconductor, Inc, mc33905s Datasheet - Page 38

• Manufacturer Part Number: mc33905s
• Description: System Basis Chip Gen2 With High Speed Can And Lin Interface
• Manufacturer: Freescale Semiconductor, Inc

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FUNCTIONAL DEVICE OPERATION
ILLUSTRATION OF DEVICE MODE TRANSITIONS.
I/O x toggle
FWU timer
LIN Bus
CAN bus
5V-CAN
MODE
VAUX
V
RST
V
SUP
INT
SPI
DD
C
Start
LIN wake-up filter
CAN wake-up
pattern
LP V
Wake-up from Low Power V
DD
_OFF
.
RESET
duration (50-8192ms)
FWU timer
SPI selectable
V
Based on reg configuration
Wake up detected
Based on reg configuration
DD-UV
(4.5V typ)
DD
REQUEST
NORMAL
OFF Mode
Figure 20. Wake-up from Low Power Modes
NORMAL
I/O x toggle
FWU timer
I
DD
LIN Bus
CAN bus
5V-CAN
current
MODE
VAUX
V
RST
V
SPI
INT
SPI
SUP
DD
D
Start
LIN wake-up filter
LP V
CAN wake-up
Wake-up from Low Power V
DD
pattern
ON
Based on reg configuration
Based on reg configuration
I
DD-OC
Stop
I
Analog Integrated Circuit Device Data
(3mA typ)
DD OC
REQUEST
duration (50-8192ms)
FWU timer
SPI selectable
NORMAL
Wake up detected
deglitcher or timer (100us typ, 3 -32ms)
DD
ON Mode
Freescale Semiconductor
NORMAL