1 ==============================================
2 Kernel driver for the NXP Semiconductors PN544
3 ==============================================
4
5
6 General
7 -------
8
9 The PN544 is an integrated transmission module
10 communication. The driver goes under drives/nf
11 module named "pn544".
12
13 Host Interfaces: I2C, SPI and HSU, this driver
14
15 Protocols
16 ---------
17
18 In the normal (HCI) mode and in the firmware u
19 write functions behave a bit differently becau
20 or the protocols are different.
21
22 In the normal (HCI) mode the protocol used is
23 HCI specification. The firmware is updated usi
24 which is different from HCI.
25
26 HCI messages consist of an eight bit header an
27 header contains the message length. Maximum si
28 33. In HCI mode sent messages are tested for a
29 checksum. Firmware update messages have the le
30 and third (LSB) bytes of the message. The maxi
31 1024 bytes.
32
33 For the ETSI HCI specification see
34 http://www.etsi.org/WebSite/Technologies/Proto
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