MN63Y1208 Datasheet, PDF (33/120 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 JISX6319-4 Specification
This section describes the JISX6319-4 specification of this RFID.
4.2.1 Communication Specifications
Table 4-1 shows the JISX6319-4 specification of this RFID.
Table 4-1 JISX6319-4 Communication Specification
Carrier frequency
Modulation mode,
Bit encoding
Data rate
R/W→RFID
RFID→R/W
Character transmission
13.56 MHz
ASK10%, Manchester encoding
Load modulation, Manchester encoding
212 kbps / 424 kbps
x MSB-first
x Data (8 bits)
x No start bit
x No parity bit
x No stop bit
x No spare time between characters
4.2.2 Frame Format
Figure 4-2 illustrates the JISX6319-4 frame format and Table 4-2 defines the fields.
Start field
Preamble
6 bytes
Synchronous code
2 bytes
Information field
LEN
1 byte
Data field
0 to 254 bytes
End field
Error-detecting code
2 bytes CRC
Data length
(LEN+10) bytes
Error-detecting signal
Figure 4-2 JISX6319-4 Frame Format
Field name
Preamble
Synchronous code
LEN
Data field
Error-detecting code
Table 4-2 JISX6319-4 Field Definition
Byte length
Definition
6
0x000000000000
2
0xB24D
1
n (data field length) + 1
n
Command message or Response message
2
Initial value: 0000,
Generating polynomial: CRC of X¹⁶+X¹²+X⁵+1
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