User guide

Chapter 4
580
External Device Setup Manual
7.2 Write
This command is used by the external device to write data to the MICRO/I or Touch data memory. One command can write a maxi-
mum of 255 words of data.
7.2.1 Command
Format
Detailed description
Command Code Description Bytes
ENQ 05h Command start 1
W 57h Write Command 1
DM Address DM address to begin writing from
This is expressed as the ASCII code of the hexadecimal value of the address.
4
Words Number of words to write
The hexadecimal value expressed using ASCII code.
2
Data DM ADDRESS DATA.
The hexadecimal value expressed using ASCII code.
The words are in order from the lowest address.
4 x N
N is the number of
words
BCC Only required when 'with BCC' is set.
Exclusive OR (HEX) from ENQ to before BCC converted to ASCII code.
2
CR 0Dh End 1