Phytec phyCORE-PXA255, Hardware Manual

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Development Board for phyCORE-PXA255
56 
PHYTEC Meßtechnik GmbH 2004 L-657e_0
Jumper Default Comment
JP7 This jumper configures the CAN circuitry supply
voltage.
1 + 2 - CAN supply voltage derived from on-board supply
voltage
CAN supply voltage from external source for optical
isolation
2 + 3 X
JP10 This jumper configures the CAN circuitry supply
voltage.
open X CAN Ground from external source for optical isolation.
closed - CAN Ground connected to on-board Ground potential.
Table 40: CAN Interface Jumper Configuration
Note:
Support of the external CAN supply voltage is only available with
PCB revision 1220.2 or higher.
The following figure depicts the CAN connector pin assignment:
Pin 9: CANV+
Pin 3: CANV-
Pin 7: CAN-H (optically isolated)
Pin 2: CAN-L (optically isolated)
Pin 6: CANV-
Figure 30: CAN Connector P3 Pinout
1
2
3
4
7
6
5
8
9