CTR Electronics CANifier, User Manual

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CANifier User’s Guide www.ctr-electronics.com 10/8/2017
Cross The Road Electronics Page 6 10/8/2017
1.2. Pin Descriptions
The CANifier has a multitude of I/O pins. All pins are counted as GPIO (General Purpose Input/Output) except for
power supply pins (5V, GND, 3.3V, VDD).
Pin # Name Function
1 SDA I2C Data pin
2 SCL I2C Clock pin
3 5V 5V output
4 QUAD A Quadrature channel A
5 GND Ground
6 QUAD B Quadrature channel B
7 INDEX Quadrature Index
8 LIMF Limit Switch Forward
9 GND Ground
10 LIMR Limit Switch Reverse
11 GND Ground
12 CS/PWM3 SPI Chip Select / PWM input 3
13 CLK/PWM0 SPI Clock / PWM input 0
14 MOSI/PWM1 SPI Data Out / PWM input 1
15 MISO/PWM2 SPI Data In / PWM input 2
16 5V 5V output
17 5V 5V output
18 3.3V 3.3V output
19 3.3V 3.3V output
20 GND Ground
21 GND Ground
CANH CAN High
CANL CAN Low
V+ LED Source Voltage (Common anode)
A LED Channel A (cathode)
B LED Channel B (cathode)
C LED Channel C (cathode)
Backside VDD Supply Voltage
Backside GND Ground