Page History
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- Digilent Pmod interface compatible
- Dual CAN FD PHY's (CAN0 and CAN1)
- Texas Instruments TCAN337G
- Up to 5Mbit data rate
- Compatible with ISO 11898-2
- Bus pin fault protection of ±14 V
Integrated 12 kV IEC-61000-4-2 ESD contact discharge protection
- 10 pin headers (IDC cable to DB9)
- One CAN FD transceiver has extra 3-pin screw connector terminal
- Single 3.3V supply
Main Components
J1. Screw connector terminal of CAN0 bus
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U1. Texas Instruments TCAN337G CAN FD transceiver, CAN0
D1. Bourns CDSOT23-T24CAN CANbus Protector, CAN0
U2. Texas Instruments TCAN337G CAN FD transceiver, CAN1
D2. Bourns CDSOT23-T24CAN CANbus Protector, CAN1
Interfaces and Pins
J1 Connector, CAN0 Bus
| Pin | Signal | Notes |
|---|---|---|
| 1 | CAN0_P | U1 high level CAN bus line |
| 2 | GND | U1 ground connection |
| 3 | CAN0_N | U1 low level CAN bus line |
J2 Connector, Pmod Interface
| Pin | Signal | Notes | Pin | Signal | Notes | |
|---|---|---|---|---|---|---|
| 1 | CAN0_TX | U1 CAN CAN0 transmit data input, integrated pull up | 2 | CAN1_TX | U2 CAN CAN1 transmit data input, integrated pull up | |
| 3 | CAN0_RX | U1 CAN CAN0 receive data output, tri-state | 4 | CAN1_RX | U2 CAN CAN1 receive data output, tri-state | |
| 5 | CAN0_S | U1 silent mode,integrated pull down | 6 | CAN1_S | U2 silent mode, integrated pull down | |
| 7 | CAN0_F | U1 open drain fault output | 8 | CAN1_F | U2 open drain fault output | |
| 9 | GND | U1 ground connection | 10 | GND | U2 ground connection | |
| 11 | 3.3V | U1 3.3-V 3V supply voltage | 12 | 3.3V | U2 3.3-V 3V supply voltage |
J3 Connector, CAN0 Bus
| Pin | Signal | Notes | Pin | Signal | Notes | |
|---|---|---|---|---|---|---|
| 1 | N/A | - | 2 | GND | U1 ground connection | |
| 3 | CAN0_N | U1 low level CAN bus line | 4 | CAN0_P | U1 high level CAN bus line | |
| 5 | GND | U1 ground connection | 6 | N/A | - | |
| 7 | N/A | - | 8 | N/A | - | |
| 9 | N/A | - | 10 | N/A | - |
J4 Connector, CAN1 Bus
| Pin | Signal | Notes | Pin | Signal | Notes | |
|---|---|---|---|---|---|---|
| 1 | N/A | - | 2 | GND | U2 ground connection | |
| 3 | CAN1_N | U2 low level CAN bus line | 4 | CAN1_P | U2 high level CAN bus line | |
| 5 | GND | U2 ground connection | 6 | N/A | - | |
| 7 | N/A | - | 8 | N/A | - | |
| 9 | N/A | - | 10 | N/A | - |
J5 Jumper Block/Connector CAN1 bus
Place jumpers on Close pins 1-3 and 2-4 with jumpers to activate enable on-board CAN bus terminator of U2terminator for CAN1 bus. J5 header can also be used as CAN CAN1 bus connector, refer to table below for pin mapping.
| Pin | Signal | Note | Pin | Signal | Note | |
|---|---|---|---|---|---|---|
| 3 | CAN1_N | U2 low level CAN bus line | 4 | CAN1_P | U2 high level CAN bus line | |
| 5 | GND | U2 ground connection | 6 | GND | U2 ground connection |
J6 Jumper Block/Connector
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, CAN0 bus
Close Place jumpers on pins 1-3 and 2-4 with jumpers to activate enable on-board CAN bus terminator of U2. J5 terminator for CAN0 bus. J6 header can also be used as CAN CAN0 bus connector, refer to table below for pin mapping.
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Module size: 54 mm × 20.5 mm.
Mating height of the J8 J2 connector from the PCB: 8mm
PCB thickness: 1.6mm
Highest part on PCB J1, J2 J3 and J5 J4 connectors, approximately 9.5mm from the PCB.
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