SATO CL4NX Programming Reference Manual page 358

Data input format + number of data to write in bytes
Number of data to write
"D" or "d" shows that this field is
for specifying the number of data
Dmmmm
to write.
or
Capital "D" indicates that the
data is in ASCII, lower-case "d"
indicates the write data is in
dmmmm
HEX.
Specify the length of data in
bytes with the number(mmmm)
that comes after "D" or "d".
Data array to write
n
Data array to write
Specifying NFC(NDEF) format
Specify this parameter when you set data in NDEF(NFC Data Exchange Format) format stipulated by NFC forum.
Valid range：1～6,f
[When setting NFC(NDEF) format user data]
1: user data is regarded as URI format.
2: user data is regarded as TEXT format.
3: user data is regarded as smart poster format.
NFC:
4: user data is regarded as handover (Bluetooth) format.
5: user data is regarded as handover (Wi-Fi) format.
6: user data is regarded as handover(mixture of Bluetooth/Wi-Fi) format.
[When setting free format user data]
f: User data is written as a free format NDEF message.
Note:Of a case and the user data that user data is not NDEF form when there is not it, this designation is
unnecessary.
Parameters from here can be specified in any order.
This parameter is used when the user data is set by using free format or
when there is no user data.
Specifies the number of bytes for the next parameter "n:data array to write".
This portion should be written in bytes, so the number specified for this field
will not change regardless of data format, whether ASCII or HEX.
Specify 0 if there is no data to write to user memory, in which case specify
nothing but the comma for the succeeding "n: data array to write".
This parameter is used when the user data is set by using free format or when
there is no user data.
The character code and maximum number of characters varies depending on
the data input/output format (ASCII/HEX) as below:
Range of available character codes :(00H) - (FFH)
ASCII
See "Mapping table of IC chip type, number of blocks and total
capacity" for the valid number of characters. It can be specified
by unit of 1 character, so it is the same as maximum number of
bytes allowed for each IC chip.
Range of available character codes : 0(30H)～9(39H),A(41H)～
F(46H)
Specify digits with multiples of 2. The number of valid characters
HEX
would be twice the number of characters available for the
maximum number of bytes for each IC chip, mentioned in
"Mapping table of IC chip type, number of blocks and total
capacity".
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