User Manual

PD42-1141 TMCL

™

Firmware Manual • Firmware Version V1.42 | Document Revision V1.06 • 2018-JAN-09

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Digital Outputs in Bank 2

Port Command Range

OUT0 SIO 0, 2, <value> 0/1

OUT1 SIO 1, 2, <value> 0/1

Special case: SIO 255, 2, <x> can be used to change all general purpose digital output lines simulaneously.

The value <x> will then be interpreted as a bit vector where each of the lower eight bits represents one of

the digital outputs. So the range for <x> is 0. . . 255. The value <x> can also be -1. In this case, the value will

be taken from the accumulator register. The following program can be used to copy the states of the input

lines to the output lines:

Loop:

GIO 255, 0

SIO 255, 2, -1

JA Loop

Pull-up Resistor Control

The SIO command can also be used to program the pull-up resistors of the STOP_L, STOP_R and HOME

inputs. All these pull-up resistors can only be switched on or oﬀ together. Use the command SIO 0, 0, 0 to

switch oﬀ all pull-up resistors and SIO 0, 0, 1 to switch on all pull-up resistors. All pull-up resistors are on

by default.

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