st10f273m STMicroelectronics, st10f273m Datasheet - Page 79

• Manufacturer Part Number: st10f273m
• Description: 16-bit Mcu With 512 Kbyte Flash Memory And 36 Kbyte Ram
• Manufacturer: STMicroelectronics

ST10F273M
17.2.2
17.2.3
Multiple CAN bus
The ST10F273M provides two CAN interfaces to support such kind of bus configuration as
shown in
Figure 16. Connection to two different CAN buses (for example for gateway
Parallel mode
In addition to previous configurations, a parallel mode is supported. This is shown in
Figure
Figure 17. Connection to one CAN bus with internal parallel mode enabled
1. P4.4 and P4.7 when not used as CAN functions can be used as general purpose I/O while they cannot be
used as external bus address lines.
17.
Figure
CAN_H
CAN_L
application)
CAN_H
CAN_L
16.
P4.5
P4.5
RX
transceiver
CAN bus 1
CAN1
transceiver
RX
CAN
CAN1
CAN
TX
TX
P4.6
P4.6
P4.4
P4.4
RX
CAN2
transceiver
RX
(1)
CAN bus 2
CAN bus
CAN2
CAN
TX
TX
P4.7
P4.7
(1)
CAN_H
CAN_L
XMISC.CANPAR = 1
(Both CAN enabled)
XMISC.CANPAR = 0
CAN modules
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