MCZ33904B3EK Freescale Semiconductor, MCZ33904B3EK Datasheet - Page 88

• 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 40. Flag Descriptions
88
33903/4/5
SERIAL PERIPHERAL INTERFACE
FLAGS AND DEVICE STATUS
INT
INT request
RST high
DBG resistor
V
WARNING
V
V
VOLTAGE
V
VOLTAGE
V
>100 ms
V
V
3.3 V)
Device P/N1
and 0
Device id 4 to
0
RST low
>100 ms
Multiple
Resets
watchdog
refresh failure
DD TEMP PRE-
DD UV
DD OVER-
AUX_OVER-
DD LOW
DD LOW
DD
(5.0 V or
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
Description
Set / Reset condition
Description
Set / Reset condition
Description
Set / Reset condition
Flag
Report that INT source is an INT request from a SPI command.
Set: INT occurred. Reset: flag read (SPI)
Report that RST pin is shorted to high voltage.
Set: RST failure detection. Reset: flag read.
Report that the resistor at DBG pin is different from expected (different from SPI register content).
Set: failure detected. Reset: correct resistor and flag read (SPI).
Report that the V
Set: V
(SPI)
Reports that VDD pin is lower than the V
Set: VDD below threshold for t >100 s typically. Reset: V
Reports that VDD pin is higher than the typically V
this function is selected in INIT register.
Set: VDD above threshold for t >100 s typically. Reset: V
Reports that VAUX pin is higher than the typically V
this function is selected in INIT register.
Set: V
Reports that VDD pin is lower than the VDD
Set: VDD below threshold for t >100 ms typically. Reset: V
Report that V
Set: V
0: mean 3.3 V V
1: mean 5.0 V V
N/A
Describe the device part number:
00: MC33903
01: MC33904
10: MC33905S
11: MC333905D
N/A
Describe the silicon revision number
10010: silicon revision A (Pass 3.1)
10011: silicon revision B (Pass 3.2)
10100: silicon revision C (Pass 3.3)
N/A
Report that the RST pin has detected a low level, longer than 100 ms (Reset permanent low)
Set: after detection of reset low pulse. Reset: Reset pulse terminated and flag read (SPI)
Report that the more than 8 consecutive reset pulses occurred, due to missing or wrong watchdog
refresh.
Set: after detection of multiple reset pulses. Reset: flag read (SPI)
Report that a wrong or missing watchdog failure occurred.
Set: failure detected. reset: flag read (SPI)
DD
AUX
DD
thermal sensor above threshold. Reset: V
below threshold. Reset: fag read (SPI)
above threshold for t >100 s typically. Reset: V
DD
DD
D
is below V
DD
D version
version
has reached over-temperature pre-warning threshold.
DD
under-voltage threshold.
DDUV
Description
UV
threshold.
threshold for a time longer than 100 ms
DD
DD
AUX
+ 0.6 V threshold. I/O-1 can be turned OFF if
thermal sensor below threshold and flag read
+ 0.6 V threshold. I/O-1 can be turned OFF if
DD
Analog Integrated Circuit Device Data
DD
AUX
DD
above threshold and flag read (SPI)
below threshold and flag read (SPI)
above threshold and flag read (SPI)
below threshold and flag read (SPI)
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