User's Manual

ACR122L-ACS Design Specification
Version 0.03 19/05/2010
Page
21
of
50
ACR122L
-
ACS
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.
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
Tip: Once the authentication is done, all the data blocks of the same
sector are free to access. For example, once the data block 0x04 is
successfully authenticated (Sector 1), the data blocks 0x04 ~ 0x07 are free
to access.
1K
Bytes
2K
Bytes
2K
Bytes