APPENDIX E Receiver Card Interface Examples
OEM7 Installation and Operation User Manual v4
215
The 10 kΩ pullups (R5, R6) are required if the buffers are used on the EVENT_IN lines. If the buf-
fers are not used, the OEM7 cards have built-in 10 kΩ pullup resistors – external pull resistors
are not required.
OEM719
OEM729
OEM7700
OEM7720
Connector
P1701
P1802
P2001
P1901
EVENT_IN1
9
1
8
30
30
EVENT_IN2
7
2
7
3
29
29
EVENT_IN3
–
–
32
32
EVENT_IN4
–
–
31
31
PPS
19
4
24
24
EVENT_
OUT1/VARF
6
4
3
17
17
EVENT_OUT2
–
–
26
26
EVENT_OUT3
–
–
23
23
EVENT_OUT4
–
–
25
25
Table 46: EVENT_IN, EVENT_OUT and PPS Pin Designation
Designator
Manufacturer
Manufacturer Part Number
D1
On Semiconductor
MMSZ5227BT1G
D2
Comchip Technology
CDBU00340
U1, U2
Fairchild Semiconductor
NC7WZ241L8X
U3
Semtech
SRV05-4A.TCT
Table 47: Bill of Materials (critical components)
1
This pin is multiplexed with the COM3 transmit signal and is not available if COM3 is enabled.
2
This pin is multiplexed with the CAN1 transmit signal and is not available if CAN1 is enabled.
3
This pin is multiplexed with the COM3 receive signal and is not available when COM3 is enabled. See
on page 158 for more information.
4
This pin is multiplexed with the CAN1 receive signal and is not available if CAN1 is enabled.