Product Data Sheet

MF1S50yyX_V1 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.0 — 3 March 2014
279230 27 of 40
NXP Semiconductors
MF1S50yyX/V1
MIFARE Classic EV1 1K - Mainstream contactless smart card IC
12.5 MIFARE Transfer
The MIFARE Transfer requires a destination block address, and writes the value stored in
the Transfer Buffer into one MIFARE Classic block. The command structure is shown in
Figure 22
and Table 28.
Table 29
shows the required timing.
Fig 22. MIFARE Transfer
Table 28. MIFARE Transfer command
Name Code Description Length
Cmd B0h Write the value from the Transfer
Buffer into destination block
1 byte
Addr - MIFARE destination block address
(00h to FFh)
1 byte
CRC - CRC according to Ref. 4
2 bytes
NAK see Table 10
see Section 9.3 4-bit
Table 29. MIFARE Transfer timing
T
ACK
min T
ACK
max T
NAK min
T
NAK max
T
TimeOut
Transfer n=9 T
TimeOut
n=9 T
TimeOut
10 ms
001aan015
CRCAddrPCD Cmd
PICC ,,ACK''
368 μs
PICC ,,NAK''
NAK
Time out
T
TimeOut
T
NAK
T
ACK
59 μs
ACK
59 μs