User's Manual Part 1

13,56 MHz Multitag Reader Module, Version 0.9v
ACG Identification Technologies AT Page 31
5.3.11 Write page
This command writes data to a page. A read after write is done automatically to
ensure correct writing.
5.3.11.1 Command
Command Data
‘w’ page address (1 byte) + data (n bytes)
5.3.11.2 Answer
Answer Description
data ‘w’ + page data (depends on tag type)
‘N’ Error: No tag in field
‘F’ Error: Write failure
‘U’ Error: read after write incorrect
5.3.11.3 Page data
Page data depends on the used tag. Following table describes the default page
sizes. Internally the reader handles the correct data frame size.
Tag type Page size Description
ISO15693 4
8
As default
SRF50VxxP, EM 4135
Tagit® n Depends on tag organization
Icode® 4
SR176 2
Mifare®
Ultralight
4
ISO14443A - Not supported
ISO14443B - Not supported
Figure 5-15: page data
5.3.11.4 No tag error ‘N’
This error is returned if no tag is present.
5.3.11.5 Write failure ‘F’
This error is displayed if bad transmission conditions are given. If the page address
exceeds the physical number of pages of a tag this error is thrown too.