Data Sheet

• 0: Full step
• 1: 1/2 step
• 2: 1/4 step
• 3: 1/8 step
• 4: 1/16 step
• 5: 1/32 step
0x4A
Current
limit
unsigned
8-bit
Stepper motor coil current limit of the Tic’s
stepper driver (0 to 124).
32 mA
0x4B
Decay
mode
unsigned
8-bit
Decay mode of the Tic’s stepper driver.
• Tic T825 decay modes (more
information about these can be
found in the DRV8825 datasheet
[https://www.pololu.com/file/download/
drv8825.pdf?file_id=0J590] (1MB pdf)):
◦ 0: Mixed
◦ 1: Slow
◦ 2: Fast
• Tic T834 decay modes (more
information about these can be
found in the DRV8834 datasheet
[https://www.pololu.com/file/download/
drv8834.pdf?file_id=0J617] (2MB pdf)):
◦ 0: Mixed 50%
◦ 1: Slow
◦ 2: Fast
◦ 3: Mixed 25%
◦ 4: Mixed 75%
0x4C
Input
state
unsigned
8-bit
State of the Tic’s main input.
• 0: Not ready
• 1: Invalid
• 2: Halt
• 3: Target position
• 4: Target velocity
0x4D
Input
after
unsigned
16-bit
These variables are used in the process that
converts raw RC and analog values into a
See Section 5.2.
Tic Stepper Motor Controller User’s Guide © 2001–2018 Pololu Corporation
7. Variable reference Page 118 of 150