User manual

Pmod CAN Reference Manual
Copyright Digilent, Inc. All rights reserved.
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Page 2 of 8
Transmitter
Min
Typical
Max
Units
Recessive Bus Output Voltage
(CANH & CANL)
2.0
0.5 Vcc
3.0
V
Dominant Output Voltage (CANH)
2.75
3.50
4.50
V
Dominant Output Voltage (CANL)
0.50
1.50
2.25
V
Dominant Differential Output
Voltage
1.5
2.0
3.0
V
Receiver
Min
Typical
Max
Units
Recessive Differential Input
Voltage (normal mode)
-1.0
-
+0.5
V
Dominant Differential Input
Voltage (normal mode)
0.9
-
Vcc
Parameter
Value
Units
Standby Current
10
μA
1.1 Pinout Table Diagram
Header J1
Pin
Signal
Description
1
N/C
Not Connected
2
CANL
CAN Low-Level Voltage I/O
3
GND
Power Supply Ground
4
N/C
Not Connected
5
N/C
Not Connected
6
GND
Power Supply Ground
7
CANH
CAN High-Level Voltage I/O
8
N/C
Not Connected
9
N/C
Not Connected
S1
GND
Power Supply Ground
S2
GND
Power Supply Ground
Header J2
Pin
Signal
Description
1
CS
Chip Select
2
MOSI
Master-Out-Slave-In
3
MISO
Master-In-Slave-Out
4
SCK
Serial Clock
5
GND
Power Supply Ground
6
VCC
Power Supply (3.3V/5V)
7
INT
Interrupt
8
RST
Reset
9
Rx0BF
Receive Buffer 0 Full Interrupt
10
Rx1BF
Receive Buffer 0 Full Interrupt
11
GND
Power Supply Ground
12
VCC
Power Supply (3.3V/5V)