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The phyCORE-MPC5200B tiny on the Development Board
©
PHYTEC Messtechnik GmbH 2006 L-678e_0
69
13.3.6
Second CAN Interface at Plug P2B
Plug P2B is the upper plug of the double DB-9 connector at P2. P2B is
connected to the second CAN interface (CAN2) of the
phyCORE-MPC5200B tiny via jumpers. There are no CAN
transceivers available on the phyCORE-MPC5200B tiny therefore the
transceivers on the Development Board must be used. Depending on
the configuration of the CAN transceivers and their power supply, the
following two configurations are possible:
1.
CAN signals generated by the Development Board CAN
transceiver (U3) extend to connector P2B
w/o galvanic separation:
Jumper Setting
Description
JP33
2 + 3
Pin 2 of the DB-9 plug P2B is connected to CAN_L2 of
CAN transceiver U3 of the Development Board HD200
JP34
1 + 2
Pin 7 of the DB-9 plug P2B is connected to CAN_H2 of
CAN transceiver U3 of the Development Board HD200
JP14
2 + 4
Input at opto-coupler U6 on the Development Board
connected to CAN2_TX of the
phyCORE-MPC5200B tiny
JP15
2 + 4
Output at opto-coupler U7 on the Development Board
connected to CAN2_RX of the
phyCORE-MPC5200B tiny
JP13
2 + 3
CAN transceiver and opto-coupler on the Development
Board connected with 5 V supply voltage
JP18 closed
CAN
transceiver
and
opto-coupler on the Development
Board connected with local GND potential
JP29
open
No power supply via CAN bus
JP39
open
No power supply via CAN bus
Table 26:
Jumper Configuration for CAN Plug P2B using the CAN Transceiver
on the Development Board HD200
Pin 3:
GND (Development Board Ground)
Pin 7:
CAN_H2 (no galvanic separation)
Pin 2:
CAN_L2 (no galvanic separation)
Pin 6:
GND (Development Board Ground)
Figure 20: Pin Assignment of the DB-9 Plug P2B (CAN Transceiver on
Development Board)
1
2
3
4
7
6
5
8
9
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Страница 104: ...Published by PHYTEC Messtechnik GmbH 2006 Order No L 678e_1 Printed in Germany...