User Manual

PD57/60-1260 TMCL
™
Firmware Manual • Firmware Version V1.44 | Document Revision V1.02 • 2018-SEP-05
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Digital Outputs in Bank 2
Port Command Range
OUT0 SIO 0, 2, <value> 0/1
Pull-up Resistor Control
The SIO command can also be used to program the pull-up resistors of the IN0, IN1 and IN2 inputs. The
pull-up resistor of the IN0/HOME input can separately be switched on and off whereas the pull-up resistors
of the IN1 and IN2 inputs can be switched on and off together. Use the command SIO 0, 0, <x> to control
the pull-up resistor setting. The value <x> will be interpreted as a bit vector: bit 0 controls the pull-up
resistor of the IN0/HOME input, and bit 1 controls the pull-up resistors of the IN1 and IN2 inputs. So the
following settings are possible:
Pull-up Resistor Control
Command Setting
SIO 0, 0, 0 All pull-up resistors off.
SIO 0, 0, 1 Pull-up resistor on for IN0/HOME.
Pull-up resistors off for IN1/IN2.
SIO 0, 0, 2 Pull-up resistor off for IN0/HOME.
Pull-up resistors on for IN1/IN2.
SIO 0, 0, 3 All pull-up resistors on.
All pull-up resistors are on by default.
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