MCZ33904B3EK Freescale Semiconductor, MCZ33904B3EK Datasheet - Page 80

• Manufacturer Part Number: MCZ33904B3EK
• Description: IC SBC CAN HS 3.3V 32SOIC
• Manufacturer: Freescale Semiconductor
• Type: High Speed CAN Interfacer

Specifications of MCZ33904B3EK

• Operating Supply Voltage: 3.3 V
• Supply Current: 2 mA
• Package / Case: SOIC-32
• Mounting Style: SMD/SMT
• Product: CAN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 38. Flag Descriptions
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Table 37. Device Flag, I/O Real Time and Device Identification
REG
SERIAL PERIPHERAL INTERFACE
FLAGS AND DEVICE STATUS
V
V
CURRENT
5 V
THERMAL
SHUTDOWN
5V
5V-can_
over-current
V
LOW
V
UNDER-
VOLTAGE
I
NORMAL MODE
V
THERMAL
SHUTDOWN
R
(<100 ms)
V
BATFAIL
I
V
DD-OC-
DD-OC-LP
LIN1
LIN2
AUX_LOW
AUX_OVER-
SENSE_
SUP_
DD_
ST_LOW
SUP_
DD
-CAN_UV
-CAN_
ON mode
11
00
11
00
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
Description
Set / Reset condition
Description
Set / Reset condition
Description
Set / Reset condition
Description
Set / Reset condition
Description
Set / Reset condition
Flag
1_0011
1_0011
1_0100
1_0100
LIN 1
LIN 1
LIN 2
LIN 2
1
1
1
1
0
1
0
1
Reports that V
Set: V
Report that current out of V
Set: Current above threshold for t >100 μs. Reset: Current below threshold and flag read by SPI.
Report that the 5 V-CAN regulator has reached over-temperature threshold.
Set: 5 V-CAN thermal sensor above threshold. Reset: thermal sensor below threshold and flag read
(SPI)
Reports that 5 V
Set: 5V-CAN below 5V
Report that the CAN driver output current is above threshold.
Set: 5V-CAN current above threshold for t>100 μs. Reset: 5V-CAN current below threshold and flag
read (SPI)
Reports that VSENSE pin is lower than the V
Set: VSENSE below threshold for t >100 μs typ. Reset: V
Reports that VSUP1 pin is lower than the V
Set: V
Report that current out of VDD pin is higher that I
Set: current above threshold for t>100 μs typ. Reset; current below threshold and flag read (SPI)
Report that the V
Set: V
Report that the RESET pin has detected a low level, shorter than 100 ms
Set: after detection of reset low pulse. Reset: Reset pulse terminated and flag read (SPI)
Report that the device voltage at VSUP1 pin was below BATFAIL threshold.
Set: V
Report that current out of VDD pin is higher that I
V
Set: current above threshold for t>100 μs typ. Reset; current below threshold and flag read (SPI)
LIN1 State
LIN2 State
DD
ON mode.
Hexa SPI commands to get LIN1 real time status: MOSI 0x 27 80
Hexa SPI commands to get LIN2 real time status: MOSI 0x 29 80
-
-
AUX
SUP1
DD
SUP1
Hexa SPI commands to get LIN 2 Flags: MOSI 0x E7 00
Hexa SPI commands to get LIN 2 Flags: MOSI 0x E9 00
OFF due to thermal condition. Reset: V
below threshold for t >100 μs typ. Reset: V
below threshold for t >100 μs typ. Reset: V
below BATFAIL. Reset: V
AUX
LIN1 WU
LIN2 WU
wake-up
wake-up
en/dis
en/dis
-
LIN1
LIN2
CAN regulator output voltage is lower than the 5 V
DD
regulator output voltage is lower than the V
has reached over-temperature threshold, and was turned off.
-CAN UV
short to gnd
short to gnd
LIN1 Term
LIN2 Term
AUX
-
-
for t >100 μs typ. Reset: 5V-CAN > threshold and flag read (SPI)
regulator is above V
SUP1
Over-temp
Over-temp
LIN 1
LIN 2
above threshold, and flag read (SPI)
SUP1 LOW
-
-
Description
SENSE LOW
DD
DD-OC
DD-OC
AUX_OC
recover and flag read (SPI)
RxD1 low
RxD2 low
AUX
threshold.
SUP1
threshold, while device is in Normal mode.
threshold LP, while device is in Low Power
-
-
threshold.
SENSE
above threshold and flag read (SPI)
Analog Integrated Circuit Device Data
above threshold and flag read (SPI)
threshold.
AUX
above threshold and flag read (SPI)
RxD1 high
RxD2 high
_
UV
-CAN UV
-
-
threshold.
Freescale Semiconductor
threshold.
TxD1 dom
TxD2 dom
-
-
dom clamp
dom clamp
LIN1 bus
LIN2 bus
-
-