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CARNET is a LAN that uses the ARCNET token passing bus method.
CARNET is a LAN that uses the ARCNET token passing bus method.
It can achieve a high transmission speed of 7.5 Mbps.
It can achieve a high transmission speed of 7.5 Mbps.
Since noise can be minimized by installing
Since noise can be minimized by installing
this LAN in vehicles, such installation has
this LAN in vehicles, such installation has
very little impact on other devices.
very little impact on other devices.
A 7.5 Mbps automotive LAN can be configured by combining the LA2330W with a protocol IC for CARNET
(ARCNET controller TMC20040C Series).
On-chip driver/receiver for
The audio equipment control bus
On-chip driver/receiver for CAN
Includes 8 non-inverted type open-collector output comparator circuits
The audio equipment control bus block, CAN block bus output withstand voltage of 18 V
Vehicle signal detection block input withstand voltage of 18 V
Each block is independent (incl. power supply and GND line), and each is provided with a standby function.
CARNET is a LAN that uses the ARCNET token passing bus method.
It can achieve a high transmission speed of 7.5 Mbps.
Since noise can be minimized by installing
this LAN in vehicles, such installation has
very little impact on other devices.
Features
Transceiver block for CARNET
(1) Transmitter (D/A converter (3-bit), LPF (for EMI prevention), output driver)
(2) Receiver (attenuator, receiving amplifier, noise elimination LPF (for reception signal),
comparator (for waveform shaping)
Driver/receiver block for
The audio equipment control bus
(1) Transmitter (output driver)
(2) Receiver (receiving amplifier, hysteresis comparator (for waveform shaping)
Driver/receiver block for CAN
(1) Transmitter (LPF (for EMI prevention), output driver)
(2) Receiver (attenuator, comparator)
Non-inverted type open-collector output comparator
Functions
1-chip IC incorporating an The audio equipment control bus transceiver and comparator
The audio equipment control bus output withstand voltage of 18 V
Vehicle signal detection block input withstand voltage of 18V
Features
Driver/receiver block for The audio equipment control bus
(1) Transmitter (output driver)
(2) Receiver (receiving amplifier, hysteresis comparator (for waveform shaping))
Non-inverted type open collector output comparator
Functions
The LA2351M is a low-noise transceiver IC for automotive LANs.
Support of either 3-bit digital or staircase signals as input signal
If a 3-bit digital signal cannot be routed as an EMI countermeasure, place an R-2R ladder in the vicinity of the
protocol chip and route the signal following D/A conversion, connecting it to the LPF input.
A 5-Mbps or 7.5 Mbps automotive LAN can be constructed by combining the LA2351M with a protocol IC
for automotive LAN (ARCNET controller TMC20040C Series).
On-chip adjustment LPF
Low-noise data communication is possible.
Features
Transmitter (transmit) block
1) D/A converter (3-bit)
2) LPF (for EMI prevention)
3) Output driver
Receiver (receive) block
1) Receiving amplifier
2) Noise elimination LPF (for reception signal)
3) Comparator (for waveform shaping)
Functions
CARNET
Automotive LAN
Hub function supporting connection of up to 8 nodes
Construction of LAN with high transmission speed of 7.5 Mbps yet
ultra low noise possible
Twisted pair cables can be used
Easy to use due to compact size
Features
3 Car Audio 4 Car Audio
TEL
GPS
Radio
CD, VICS
LA2330W CARNET/transceiver
Under development
LA2333T
The audio equipment control bus
transceiver + comparator
Under development
LA2351M Transceiver for CARNET
Car navigation
system