User's Manual

ACR122L

USB

ACS

Sectors

(Total 32 sectors. Each sector

consists of 4 consecutive

blocks)

Data Blocks

(3 blocks, 16 bytes per

block)

Trailer Block

(1 block, 16 bytes)

Sector 0 0x00 ~ 0x02 0x03

Sector 1 0x04 ~ 0x06 0x07

Sector 30 0x78 ~ 0x7A 0x7B

Sector 31 0x7C ~ 0x7E 0x7F

Sectors

(Total 8 sectors. Each sector

consists of 16 consecutive

blocks)

Data Blocks

(15 blocks, 16 bytes per

block)

Trailer Block

(1 block, 16 bytes)

Sector 32 0x80 ~ 0x8E 0x8F

Sector 33 0x90 ~ 0x9E 0x9F

Sector 38 0xE0 ~ 0xEE 0xEF

Sector 39 0xF0 ~ 0xFE 0xFF

Examples:

// To authenticate the Block 0x04 with a {TYPE A, key number 0x00}.

// PC/SC V2.01, Obsolete

APDU = {FF 88 00 04 60 00};

// To authenticate the Block 0x04 with a {TYPE A, key number 0x00}.

// PC/SC V2.07

APDU = {FF 86 00 00 05 01 00 04 60 00}

Hints:

MIFARE Ultralight does not need to do any authentication. The memory is free to access.

MIFARE Ultralight Memory Map.

Byte Number

0 1 2 3 Page

Serial Number SN0 SN1 SN2 BCC0 0

Bytes