SRIX4K-W4/1GE STMicroelectronics, SRIX4K-W4/1GE Datasheet - Page 36

• Manufacturer Part Number: SRIX4K-W4/1GE
• Description: IC MEM 13.56MHZ 4096BIT EEPROM
• Manufacturer: STMicroelectronics
• Series: SRIX4Kr

Specifications of SRIX4K-W4/1GE

• Rf Type: Read / Write
• Frequency: 13.56MHz
• Features: ISO14443-B
• Package / Case: Wafer
• For Use With: 497-3704 - RFID EVALUATION KIT ISO14443-B
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SRIX4K commands
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Write_block (Addr, Data) command
Command code = 09h
On receiving the Write_block command, the SRIX4K writes the 4 bytes contained in the
command to the addressed block, provided that the block is available and not write-
protected. Data bytes are transmitted with the least significant byte first, and each byte is
transmitted with the least significant bit first.
The address byte gives access to the 128 blocks of the SRIX4K (addresses 0 to 127).
Write_block commands issued with a block address above 127 will not be interpreted and
the SRIX4K will not return any response, except for the System area located at address
255.
The result of the Write_block command is submitted to the addressed block. See the
following Figures for a complete description of the Write_block command:
●
●
●
The Write_block command does not give rise to a response from the SRIX4K. The reader
must check after the programming time, t
SRIX4K must have received a Select() command and be switched to Selected state before
any Write_block command can be accepted. All Write_block commands sent to the SRIX4K
before a Select() command is issued, are ignored.
Figure 45. Write_block request format
Request parameters:
●
●
●
●
●
Figure 46. Write_block response format
SOF
Figure 13: Resettable OTP area (addresses 0 to
Figure 16: Binary counter (addresses 5 to
Figure 18: EEPROM (addresses 7 to
Address: block addresses from 0 to 127, or 255
Data 1: Less significant data byte
Data 2: Data byte
Data 3: Data byte
Data 4: Most significant data byte.
Write_block
09h
Address
8 bIts
Data 1
8 bIts
No Response
W
Data 2
127).
, that the data was correctly programmed. The
8 bIts
6).
Data 3
8 bIts
4).
Data 4
8 bIts
CRC L
8 bits
CRC H
8 bIts
SRIX4K
AI07680
AI07687b
EOF