Data Sheet

SCL pin configuration

Offset 0x3B

Type 8-bit

Data

• Bits 0–3: Pin function:

◦ 0: Default (see below)

◦ 1: User I/O

◦ 2: User input

◦ 3: Potentiometer power (drives high)

◦ 4: SCL (I²C clock line)

◦ 7: Kill switch

• Bits 4–5: reserved, should be 0

• Bit 6: Enable analog readings

• Bit 7: Enable internal pull-up

Default 0

Settings

file

scl_config

Settings

file data

Space-separated list including a subset of pin options ( pullup , analog , and

active_high ) and one pin function: default , user_io , user_input , pot_power ,

serial (SCL), or kill_switch .

Tic

Control

Center

Advanced settings tab, Pin configuration box, SCL

This byte contains most of the configuration of the SCL pin, as described in Section 5.5.

If the pin function is set to “Default”, then the Tic will ignore all of the options set in this byte and just

use default settings. The default settings for SCL depend on the control mode: in an analog control

mode, SCL is configured as a potentiometer power pin, while in all other control modes, the SCL pin

is used as the I²C clock line with its internal pull-up enabled.

Note that the settings file has all of the SCL configuration options on one line, but in the Tic’s

EEPROM, those settings are stored in multiple places: the SCL pin configuration byte, the switch

polarity map byte, and the kill switch map byte.

6. Setting reference Page 97 of 150