2.4 Update Binary Blocks. Advanced Card Systems V5MACR1222U, ACR1222 U

2.4 Update Binary Blocks

The “Update Binary Blocks command” is used for writing a multiple of “data blocks” into the

PICC. The data block/trailer block must be authenticated first before executing the “Update Binary

Blocks command”.

Table 2.3-1a: Update Binary APDU Format (Multiple of 16 + 5 Bytes)

Command Class INS P1 P2 Lc

Update Binary

Blocks

FF D6 00 Block

Number

Number of Bytes to

Update

Data In

Block Data

(Multiple of 16

Bytes)

Block Number (1 Byte):

The starting block to be updated.

Number of Bytes to Update (1 Byte):

• Multiply of 16 bytes for MIFARE 1K/4K or 4 bytes for MIFARE Ultralight.

• Maximum 48 bytes for MIFARE 1K. (Multiple Blocks Mode; 3 consecutive blocks)

• Maximum 240 bytes for MIFARE 4K. (Multiple Blocks Mode; 15 consecutive blocks)

Example 1: 0x10 (16 bytes). The starting block only. (Single Block Mode)

Example 2: 0x30 (48 bytes). From the starting block to starting block+2. (Multiple Blocks Mode)

#For safety reason, the Multiple Block Mode is used for accessing Data Blocks only. The Trailer

Block is not supposed to be accessed in Multiple Blocks Mode. Please use Single Block Mode to access the Trailer Block.

Block Data (Multiply of 16 + 2 Bytes, or 6 bytes):

The data to be written into the binary block/blocks.

Table 2.3-1b: Update Binary Block Response Codes (2 Bytes)

Results SW1 SW2 Meaning

Success 90 00 The operation is completed successfully.

Error 63 00 The operation is failed.

Examples:

// Update the binary block 0x04 of MIFARE 1K/4K with Data {00 01 .. 0F}

APDU = {FF D6 00 04 10 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F}

// Update the binary block 0x04 of MIFARE Ultralight with Data {00 01 02 03}

APDU = {FF D6 00 04 04 00 01 02 03}

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