Freescale SMeCm33i3c89onductor, Inc.
DEVICE DESCRIPTION
Table 19. SBC Operation Mode
Wake up
V1 & V2 regula-
tors, V3 switch
Software
mode
capabilities
(if enabled)
Reset pin
INT
CAN cell
Watchdog
V1: ON (unless
failure condition
V2: OFF
Reset
state
Low
TermVbat
(duration 1ms)
V3: OFF
High.
V1: ON (75ms
time out)
(Active low -go to
reset state- if V1
under voltage
occurs)
Normal
Term Vbat
Request
V2: OFF
V3: OFF
High.
If enabled,
signal failure
condition or L0/
L1/L2 inputs
state change.
V1: ON
V2: ON
(Active low -go to
reset state- if W/
D or V1 under
voltage occurs)
Tx/Rx, or
Rx Only,
Normal
Standby
Sleep
Running
Running
V3: ON or OFF
or TermVbat
V1: ON
V2: OFF
same as Normal
Mode
same as Normal
Mode
TermVbat
V3: ON or OFF
- CAN
- SPI
V1: OFF
V2: OFF
V3 OFF or
cyclic
TermVbat
+ Wake up
capability
Not
- L0,L1,L2
Low
Low
Not active
Not active
Running
- Cyclic sense
- Forced Wake up
V1: OFF
V2: OFF
V3 OFF
Emerge
ncy
Not
none
TermVbat
Running
For More Information On This Product,
MOTOROLA
MC33389
18
Go to: www.freescale.com
MOTOROLA [ MOTOROLA ]
