ST10F273Z4 STMicroelectronics, ST10F273Z4 Datasheet - Page 75

• Manufacturer Part Number: ST10F273Z4
• Description: 16-BIT MICROCONTROLLER WITH MAC UNIT, UP TO 832 KBYTES FLASH MEMORY AND UP TO 68 KBYTES RAM
• Manufacturer: STMicroelectronics

Specifications of ST10F273Z4

• Single Voltage Supply: 5 V ±10%

ST10F273Z4
17.2
CAN bus configurations
Depending on application, CAN bus configuration may be one single bus with a single or
multiple interfaces or a multiple bus with a single or multiple interfaces. The ST10F273Z4 is
able to support these two cases.
Single CAN bus
The single CAN Bus multiple interfaces configuration may be implemented using two CAN
transceivers as shown in
Figure 11. Connection to single CAN bus via separate CAN transceivers
The ST10F273Z4 also supports single CAN Bus multiple (dual) interfaces using the open
drain option of the CANx_TxD output as shown in
Connection, only one transceiver is required. In this case the design of the application must
take in account the wire length and the noise environment.
Figure 12. Connection to single CAN bus via common CAN transceivers
2.7kW
CAN_H
CAN_L
CAN_H
CAN_L
+5V
P4.5
P4.5
transceiver
Figure
RX
transceiver
CAN1
RX
CAN
CAN1
CAN
TX
11.
TX
P4.6
CAN bus
P4.6
OD
P4.4
P4.4
transceiver
RX
CAN2
RX
CAN
CAN2
CAN bus
TX
TX
P4.7
Figure
OD
P4.7
12. Thanks to the OR-Wired
OD = Open Drain Output
XMISC.CANPAR = 0
XMISC.CANPAR = 0
CAN modules
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