Datasheet

MF1S5009 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved.
Product data sheet
PUBLIC
Rev. 3 — 27 July 2010
189131 21 of 32
NXP Semiconductors
MF1S5009
Mainstream contactless smart card IC
11.3 MIFARE Write
The MIFARE Write requires a block address, and writes 16 Bytes of data into the
addressed MIFARE Classic 1K block. It needs two pairs of command-response. These
two parts, MIFARE Write part 1 and part 2 are shown in Figure 15
, Figure 16 and
Table 16
.
Table 17
shows the required timing.
Table 14. MIFARE Read command
Name Code Description Length
Cmd 30h Read one block 1 byte
Addr - MIFARE Block address (00h to FFh) 1 byte
CRC - CRC according to Ref. 4
2 bytes
Data - Data content of the addressed block 16 bytes
NAK see Table 9
see Section 10.3 4-bit
Table 15. MIFARE Read timing
These times exclude the end of communication of the PCD.
T
ACK
min T
ACK
max T
NAK min
T
NAK max
T
TimeOut
Read 71 μsT
TimeOut
71 μsT
TimeOut
5 ms
Fig 15. MIFARE Write part 1
001aam21
2
CRCAddrPCD Cmd
PICC
,,ACK''
368 μs
PICC
NAK
,,NAK''
Time out
T
TimeOut
T
NAK
T
ACK
59 μs
ACK
59 μs