All 1-Wire devices, including iButton devices, contain an 8-byte unique registration
number.
The computation begins with the MSB of the 64-bit,
This 1-Wire Data consists of an 8-bit CRC, a unique 48-bit serial number and an 8-
bit family code.
Baud Rate : 19200,N,8,1
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TM951334-2
The start character is factory defined as an ‘STX’ (02 HEX). This is followed by 8
Hex characters of data .
The CR\LF characters serve to bring the received screen text back to the left hand
side and on the line below after the data bytes have been sent.
The ‘ETX’ (03 HEX) character denotes the end of the current transmission.
Baud Rate : 19200,N,8,1
[Ex.]
Host to MF7S
“D”
Host form MF7S
“A”
“MR2S”
Host to MF7S
“V”
Host form MF7S
“A”
“ROM-T1679”
“V1.00R6”
Get Device
Version
Get Device Name