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| MLX81100_14 Datasheet, PDF (9/19 Pages) Melexis Microelectronic Systems – DC-Motor Controller | |||
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MLX81100
DC-Motor Controller
3.4 Connection to External CAN Controller
If the application requires a connection to the CAN network it can be realized with the help of an external
CAN communication CPU. The following circuitry shows a sample how to implement this together with our
MLX81100.
The communication between MLX8100 and external CAN controller is done via the SPI interface of the
MelexCM.
A bus wake-up will be signalised at the INH pin of the CAN transceiver. This signal will be used from a
normal HV-IO pin to wake-up the MLX81100.
CANH
CANL
VCC
CAN
Transceiver
( TJA 1050 )
INH
VCC
TxD
RxD
CAN
Controller
( MCP 2515)
CS_1
SO
SI
CLK
INT_1
LIN
SW7
SW4
IO0
IO1
IO2
IO3
IO4
IO5
Figure 5 - Connection to external CAN controller
MLX81100 â Product Abstract
Page 9 of 19
June 2012
Rev 021
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