MN63Y1208 Datasheet, PDF (46/120 Pages) Panasonic Semiconductor – Built-in 4-Kbit FeRAM non-volatile memory with fast write and low power consumption

Chapter 4 RF Communication Mode
4.2.6.3 WRITE
„ Purpose
Writes data to RFID from reader/writer or, in tunnel mode, writes data to the host from reader/writer.
„ Command message
z Format
command PICC No. of service file List of service file No. of
code identifier identifiers (k)
identifiers
blocks (m)
1 byte 8 bytes
1 byte
2×k bytes
1 byte
Block list
2×m or 3×m
bytes
Block data
16×m bytes
z Data field
Field
Command code
PICC identifier
No. of service file
identifiers (k)
Setting
0x08
PICC identifier acquired by REQ command
described in Section 4.2.6.1
Number of service files
Setting range: 0x01(1) to 0x0B(11)
List of service file Don't care (Setting example: 0x0900)
identifiers
No. of blocks (m)
Block list
Block data
Number of blocks specified in block list
Setting range:
x No. of service files is 1 to 8: 0x01(1) to
0x0C(12)
x No. of service files is 9 to 11: 0x01(1) to
0x0B(11)
Block list of data to be written
For information about how to set, see the
following:
x 4.2.5.6 Block
x 4.2.5.7 Block list
See 4.2.5.7 Block list
Remarks
When the range other than the
range on the left column is set,
the RFID responds with an
error.
When specifying multiple
services, the RFID responds
with an error if all service files
are not set to the same value.
When the range other than the
range on the left column is set,
the RFID responds with an
error.
46