mc33905s Freescale Semiconductor, Inc, mc33905s Datasheet - Page 77

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

Table 37. Flag Descriptions
Analog Integrated Circuit Device Data
Freescale Semiconductor
CAN Over-
current
CAN_UF
CAN_F
CANL
to V
CANL to GND Description
CANL to GND Description
CANH
to V
CANH to GND Description
CANH to GND Description
HS3 short to
GND
HS2 short to
GND
SPI parity
error
CSB low >2ms Description
I/O-O thermal
W/D flash
mode 50%
I/O-1-3 wake-
up
I/O-0-2 wake-
up
SPI wake-up
V SUP2-UV
V
SUP1-OV
BAT
BAT
Description
Set / Reset condition
Description
Set / Reset condition
Description
Set / Reset condition
Description
Set / Reset condition
Set / Reset condition
Set / Reset condition
Description
Set / Reset condition
Set / Reset condition
Set / Reset condition
Description
Set / Reset condition
Description
Set / Reset condition
Description
Set / Reset condition
Set / Reset condition
Description
Set / Reset condition
Description
Set / Reset condition
Description
Set / Reset condition
Description
Set / Reset condition
Description
Set / Reset condition
Description
Set / Reset condition
Description
Set / Reset condition
Flag
Report that the CAN current is above CAN over current threshold.
Set: CAN current above threshold. Reset: current below threshold and flag read (SPI)
Report that the CAN failure detection has not yet identified the bus failure
Set: bus failure pre detection. Reset: CAN bus failure recovered and flag read
Report that the CAN failure detection has identified the bus failure
Set: bus failure complete detetction.Reset: CAN bus failure recovered and flag read
Report CAN L short to Vbat failure
Set: failure detected. Reset failure recovered and flag read (SPI)
Report CAN L short to gnd failure
Set: failure detected. Reset failure recovered and flag read (SPI)
Report CAN L short to Vbat failure
Set: failure detected. Reset failure recovered and flag read (SPI)
Report CAN H short to Vbat failure
Set: failure detected. Reset failure recovered and flag read (SPI)
Report CAN H short to gnd failure
Set: failure detected. Reset failure recovered and flag read (SPI)
Report CAN H short to Vbat failure
Set: failure detected. Reset failure recovered and flag read (SPI)
Report I/O-3 high side switch short to gnd failure
Set: failure detected. Reset failure recovered and flag read (SPI)
Report I/O-2 high side switch short to gnd failure
Set: failure detected. Reset failure recovered and flag read (SPI)
Report SPI parity error was detected.
Set: failure detected. Reset: flag read (SPI)
Report SPI CSB was low for a time longer than typ 2ms
Set: failure detected. Reset: flag read (SPI)
Report that
Set
Report that
Set
Report that the I/O-0 high side switch has reach over temperature threshold.
Set: I/O-0 high side switch thermal sensor above threshold. Reset: thermal sensor below threshold
and flag read (SPI)
Report that the W/D period has reach 50% of its value, while device is in Flash mode.
Set: W/D period > 50%. Reset: flag read
Report that wake up source is I/O-1 or I/O-3
Set: after I/O-1 or I/O-3 wake detected. Reset: Flag read (SPI)
Report that wake up source is I/O-0 or I/O-2
Set: after I/O-0 or I/O-2 wake detected. Reset: Flag read (SPI)
Report that wake up source is SPI command, in Low Power V
Set: after SPI Wake Up detected. Reset: Flag read (SPI)
V SUP2
V SUP1
below
above
V SUP2
V SUP1
V SUP2-UV
V SUP1-OV
is below
is above
V SUP2-UV
thresh. Reset
V SUP1-OV
thresh. Reset
threshold.
threshold.
V SUP2
V SUP1
Description
>
<
V SUPUV
V SUPOV
thresh and flag read (SPI)
thresh and flag read (SPI)
DD
SERIAL PERIPHERAL INTERFACE
ON Mode.
FLAGS
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