User's Manual

ACR122L

USB

ACS

Block Number (1 Byte):

The memory block to be authenticated.

For MIFARE 1K Card, it has totally 16 sectors and each sector consists of 4 consecutive blocks. E.g. Sector

0x00 consists of Blocks {0x00, 0x01, 0x02 and 0x03}; Sector 0x01 consists of Blocks {0x04, 0x05, 0x06 and

0x07}; the last sector 0x0F consists of Blocks {0x3C, 0x3D, 0x3E and 0x3F}. Once the authentication is

done successfully, there is no need to do the authentication again provided that the blocks to be accessed

are belonging to the same sector. Please refer to the MIFARE 1K/4K specification for more details.

#Once the block is authenticated successfully, all the blocks belonging to the same sector are accessible.

Key Type (1 Byte):

0x60 = Key is used as a TYPE A key for authentication.

0x61 = Key is used as a TYPE B key for authentication.

0x00 ~ 0x01 = Key Location.

Table 2.2-1b: Load Authentication Keys Response Format (2 Bytes)

Response

Data Out

Result

SW1 SW2

Table 2.2-1c: Load Authentication Keys Response Codes

Results

SW1 SW2 Meaning

Success 90 00 The operation is completed successfully.

Error

63 00 The operation is failed.

MIFARE 1K Memory Map.

Sectors

(Total 16 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 14 0x38 ~ 0x0A 0x3B

Sector 15 0x3C ~ 0x3E 0x3F

MIFARE 4K Memory Map.

Bytes