st10f272z2 STMicroelectronics, st10f272z2 Datasheet - Page 78

• Manufacturer Part Number: st10f272z2
• Description: 16-bit Mcu With 256 Kbyte Flash Memory And 20 Kbyte Ram
• Manufacturer: STMicroelectronics

CAN modules
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Multiple CAN bus
The ST10F272Z2 provides two CAN interfaces to support such kind of bus configuration as
shown in
Figure 15. Connection to two different CAN buses (e.g. for gateway application)
Parallel Mode
In addition to previous configurations, a parallel mode is supported. This is shown in
Figure
Figure 16. Connection to one CAN bus with internal Parallel Mode enabled
16.
1. P4.4 and P4.7 when not used as CAN functions can be used as general purpose I/O
Figure
while they cannot be used as external bus address lines.
CAN_H
CAN_L
15.
CAN_H
CAN_L
P4.5
CAN bus 1
Transceiver
RX
CAN1
CAN
P4.5
RX
Transceiver
TX
CAN1
P4.6
CAN
TX
P4.4
P4.6
Transceiver
RX
CAN bus 2
CAN2
CAN
P4.4
RX
TX
CAN2
P4.7
CAN bus
TX
CAN_H
CAN_L
P4.7
XMISC.CANPAR = 0
XMISC.CANPAR = 1
(Both CAN enabled)
ST10F272Z2