R305 AT Commands
©2011 Telegesis (UK) Ltd
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AT Command Manual (Rev 3.05)
S18
– Output Buffer Of I/O Port
Description
The output buffer of the module‟s I/O port
Operations
R/W LOCAL
R/W REMOTE
Becomes effective
Instantly
Note: On the “-LR” variants of the ETRX3
PC5 is reserved and cannot be controlled
using this register.
Storage
Volatile
Parameters
XXXX (ETRX2) or XXXXXXXX (ETRX3)
Where XXXX represents a 16-bit hexadecimal
number and XXXXXXXX represents a 32-bit
hexadecimal number.
ETRX2: representing I/O pins
xxxx BA98 7654 3210
e.g. setting bit 7 to 1 will cause I/O7 to drive high (if
defined as an output in S16)
ETRX3: representing the I/O pins
xxxxxxxx <PC7…PC0> <PB7…PB0> <PA7…PA0>
e.g. setting bit 7 to 1 will cause PA7 to drive high
(depending on settings in S16 and S15)
Factory Default
Defined in S19
SW release
R300
S19
– Initial Setting of S18
Description
The initial setting of S18 stored in non
volatile memory
Operations
R/W LOCAL
R/W REMOTE
Becomes effective
After Soft or Hard Reset
Storage
Non-Volatile
Parameters
XXXX (ETRX2) or XXXXXXXX (ETRX3)
Where XXXX or XXXXXXXX represent the initial
value of S18 which is loaded after boot-up, soft or
hard reset.
Factory Default
ETRX2: 00F0
ETRX3: 00000000
SW release
R300