SCM SCL3711, Справочное руководство

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SCL3711 R
EFERENCE
M
ANUAL
41
6.4.1.3. 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 is coded as follow
Bit # Value Description
b0 – b2 Byte number to be addressed(value between 0x0 and 0x7)
b3 – b6 Block number (value between 0x0 and 0xE)
b7 (0)b Number of the key to be used for authentication
Response
Data SW1 SW2
1 byte of data 0x90 0x00
6.4.1.4. Write-Erase Byte (WRITE-E)
Description
This commands erases and then writes the value of an individual memory byte within the static
memory model area of blocks 0x0-0xE.
Format
CLA INS P1 P2 P3 Data
0xFF 0x56 0x00 Byte Address 0x01 1 byte of data to be written
Where P2 is coded as follow
Bit # Value Description
b0 – b2 Byte number to be addressed(value between 0x0 and 0x7)
b3 – b6 Block number (value between 0x0 and 0xE)
b7 (0)b Number of the key to be used for authentication
Response
Data SW1 SW2
Byte value that has been written 0x90 0x00