MC34912BAC Freescale, MC34912BAC Datasheet - Page 37
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MC34912BAC
Manufacturer Part Number
MC34912BAC
Description
Manufacturer
Freescale
Datasheet
1.MC34912BAC.pdf
(94 pages)
Specifications of MC34912BAC
Turn Off Delay Time
10us
Number Of Drivers
4
Operating Temperature (min)
-40C
Lead Free Status / RoHS Status
Compliant
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circuit condition, either 5.0 V or Ground, the RXSHORT bit in
the LIN Status Register (LINSR) is set and the transmitter is
shut down.
an Interrupt IRQ will be generated.
condition is gone (transition on RXD) and TXD is high.
pin short-circuit condition will clear the bit RXSHORT.
TXD Dominant Detection (LIN Interrupt)
stuck in dominant (0 V) condition. In case of a stuck condition
(TXD pin 0 V for more than 1 second (typ.)), the transmitter is
shut down and the TXDOM bit in the LIN Status Register
(LINSR) is set.
generated.
high.
at 5.0 V will clear the bit TXDOM.
Analog Integrated Circuit Device Data
Freescale Semiconductor
If the LINM bit is set in the Interrupt Mask Register (IMR),
The transmitter is automatically re-enabled once the
A read of the LIN Status Register (LINSR) without the RXD
The LIN transceiver monitors the TXD input pin to detect a
If the LINM bit is set in the IMR, an Interrupt IRQ will be
The transmitter is automatically re-enabled once TXD is
A read of the LIN Status Register (LINSR) with the TXD pin
LIN Receiver Operation Only
disables the LIN TXD driver. In case of a LIN error condition,
this bit is automatically set. If Stop mode is selected with this
bit set, the LIN wake-up functionality is disabled and the RXD
pin will reflect the state of the LIN bus.
STOP Mode And Wake-up Feature
physical layer is disabled. The receiver is still active and able
to detect wake-up events on the LIN bus line.
edge will generate a wake-up interrupt, and will be reported
in the Interrupt Source Register (ISR). Also see
page 22.
SLEEP Mode And Wake-up Feature
physical layer is disabled. The receiver must be active to
detect wake-up events on the LIN bus line.
edge will generate a system wake-up (Reset), and will be
reported in the Interrupt Source Register (ISR). Also see
Figure
While in Normal mode, the activation of the RXONLY bit
During Stop mode operation, the transmitter of the
A dominant level longer than T
During Sleep mode operation, the transmitter of the
A dominant level longer than T
10, page 22.
FUNCTIONAL DEVICE OPERATIONS
PROPWL
PROPWL
OPERATIONAL MODES
followed by a rising
followed by a rising
Figure
11,
33912
37