MN63Y1208 Datasheet, PDF (62/120 Pages) Panasonic Semiconductor – Built-in 4-Kbit FeRAM non-volatile memory with fast write and low power consumption

Chapter 4 RF Communication Mode
„ Response message
z Format
Response code
1 byte
PUPI
4 bytes
Application data
4 bytes
Protocol info
3 bytes
CRC_B
2 bytes
z Data field
Field
response code
PUPI
Application Data
Protocol Info
CRC_B
Output value
Remarks
0x50 (ATQB)
See 4.2.5.2 PICC (Proximity IC Card) Identifier.
0x00000000
Reserved (treated as
proprietary data.)
1st byte: 0x91
Bits 7-0
Data rate setting: 0x91
x R/W→RFID: 106K, 212K bps
x RFID→R/W: 106K, 212K bps
x R/W→RFID, RFID→R/W (same data
rate)
For more information about
parameters, see
ISO/IEC14443-3.
2nd byte: 0x81
Bits 7-4 Maximum frame size of RFID
1000b: 256 bytes
Bits 3-0
Protocol type: 0001b
x RFID is ISO/IEC14443-4 compliant
x Minimum reader/writer command
wait time (TR2) after RFID responds:
10etu + 32/fs (fs = 848 kHz)
3rd byte: 0xX0 (X is a value of FWI.)
Bits 7-4 FWI (Frame Wating time Integer)
See 4.3.8.3 FWI (Frame Waiting
Time Integer).
Bits 3-2 ADC (Application Data Coding)
00b: Proprietary Application Data
Bits 1-0 FO (Frame Option)
00b: NAD, CID not supported
See CRC_B ISO/IEC14443-3.
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