mc33902 Freescale Semiconductor, Inc, mc33902 Datasheet - Page 13

• Manufacturer Part Number: mc33902
• Description: High Speed Can Interface With Embedded 5.0 V Supply
• Manufacturer: Freescale Semiconductor, Inc

Analog Integrated Circuit Device Data
Freescale Semiconductor
Notes
Controlled transition
Automatic transition
Legend:
1.
2.
3.
4.
5.
6.
7.
Mode (
(
(CAN, SPLIT)
V
and
DD
Coming from Standby mode
If V
Coming from Normal mode
If batfail flag and wake-up flag are cleared. An attempt to enter Sleep mode without batfail and wake-up flag cleared has no effect
Limited current capability, to maintain the capacitor at V
A high level on INH will report a wake-up in Sleep mode
After 4 TXD pulses rising edge
(ERR)
ON, INH)
V
Driver OFF; Receiver ON, SPLIT 2.5 V
I/O
STBY, EN
Driver ON; Receiver ON, SPLIT 2.5 V
IO
Normal mode (STBY 1, EN 1)
is still switched on
>
Listen Only (
ERR report:
(V
V
DD
ERR
(V
IO
DD
low and CAN bus failure)
low threshold
)
V
V
low, local failure)
DD
DD
report: BATfail
STBY 1
STBY 1
STBY 1
EN 1
EN 0
ON, INH ON
ON, INH ON
EN 1
wake-up source &
STBY 1, EN 0)
STBY 1
EN 0
and with
)
(1)
if V
(3)
V
IO
IO
STBY 1
FUNCTIONAL DEVICE OPERATION
EN 0
ON
(7)
>
STBY 1
V
EN 1
(2)
IO
STBYB 1
STBY 1
EN 1
EN 0
low threshold
OPERATIONAL MODES
Figure 8. State Diagram
STBY 0
STATE DIAGRAMS
EN 0
STBYB 0
EN 1
if V
STBY 0
EN 1
DD
IO
charged.
ON
Terminated to ground, SPLIT HZ
Terminated to ground, SPLIT HZ
Go to sleep (
Standby (
V
(2)
DD
STBY 0
ERR report: Wake-up
EN 0
ERR report: Wake-up
V
ON
DD
STBY 0
(5)
ON, INH ON
EN 1
STBY 0, EN 0
, INH ON
STBY 0, EN 1
)
Local or CAN
)
wake-up
t>t
H
Terminated to ground, SPLIT HZ
FUNCTIONAL DEVICE OPERATION
Power up
ERR report: Wake-up
Sleep (
V
DD
Power
Down
OFF, INH HZ
STBY 0, EN 0
OPERATIONAL MODES
(From any state if
V
V
T
SUP
I/O
VIO-SLP
low, after
> V
(6)
(2)
)
SUV
, if
33902
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