User's Manual

SCL010/01X REFERENCE MANUAL 44
6.4.3.3. Read Byte (READ)
Description
This command reads a single EEPROM memory byte within the static memory model area of
blocks 0x0-0xE.
Format
CLA INS P1 P2 P3 Data
0xFF 0x54 0x00 Byte Address 0x00 -
Where P2 codes the address of the memory byte in the following way:
Bit numbers Description
b7 – b3 Block # (value between 0x0 and 0xE)
b2 – b0 Byte # within the block (value between 0 and 7)
Response
Data SW1 SW2
1 byte of data 9000
Example
For an NFC forum tag type 1 which has the following memory dump
Sending the following sequence of APDU will read byte 0x01 of block 0x00 through 0x04