User's Manual

Table Of Contents
Telegesis (UK) Limited
TG-ETRX1-PM-01-106 34
ETRX1
Preliminary Product Manual 1.06
S4 – Data Direction of I/O Port
Description
The data direction of the module’s I/O port
Operations
R/W LOCAL
R/W REMOTE
Execution
Instantly
Storage
Volatile
Parameters
XX
Where XX represents an 8 bit hexadecimal
number.
Range
00 TO FF
representing I/O pins
76543210 (little endian)
e.g. setting bit 7 to 1 will turn I/O pin 7 into an
output, setting it to 0 will make it an input
respectively.
Factory Default
Defined in SD
SW release
R100
S5 – Output Buffer of I/O Port
Description
The output buffer of the module’s I/O port
Operations
R/W LOCAL
R/W REMOTE
Execution
Instantly
Storage
Volatile
Parameters
XX
Where XX represents a 8 bit hexadecimal number.
Range
00 TO FF
representing I/O pins
76543210 (little endian)
If the I/O pin has been defined as an output in S4
the pin will drive the logic level defined by S5. If
defined as an input setting the output buffer to 1
activates the internal pull-up, which should be
avoided if power consumption is critical.
Factory Default
DEFINED IN SE
SW release
R100
©2005 Telegesis (UK) Ltd ETRX1 Product Manual (Rev 1.06)