MN63Y1208 Datasheet, PDF (79/120 Pages) Panasonic Semiconductor – Built-in 4-Kbit FeRAM non-volatile memory with fast write and low power consumption

Chapter 5 Serial Communication Mode
5.2.5.2 WRITE
„ Purpose
Writes a data to RFID from the host.
„ Command message
z Format
Command code
1 byte
Start address
2 bytes
Data length n
1 byte
Data
1 to 251 bytes
z Data field
Field
Command code
Start address
Data length n
Data
Setting
0x18
Address at which to start writes
Size of data to be written
x Setting range: 0x01(1) to 0xFB(251)
Data to be written
Remarks
x Byte units
x Big endian format
Byte units
„ Response message
z Format
Status
1 byte
z Data field
Field
Status
Output value
See 5.2.4 Status.
Remarks
79