ACM1252U-Y3
– Reference Manual
Version 1.03
www.acs.com.hk
Page 91 of 92
www.acs.com
.hk
Appendix A. SNEP Message
For the data format, please refer to NFC Forum NFC Data Exchange Format (NDEF) Specifications
1.0.
Example:
SNEP Message = {D1 02 0F 53 70 D1 01 0B 55 01 61 63 73 2E 63 6F 6D 2E 68 6Bh}
Offset
Content
Length
Description
0
D1
1
NDEF header. TNF = 01h, SR=1, MB=1, ME=1
1
02
1
Record name length (2 bytes)
2
0F
1
Length of the Smart Poster data (15 bytes)
3
53 70 (
“Sp”)
2
Record name
5
D1
1
NDEF header. TNF = 01h, SR=1, MB=1, ME=1
6
01
1
Record name length (1 byte)
7
0B
1
The length of the URI payload (11 bytes)
8
55 (
“U”)
1
Record type: “U”
9
01
1
Abbreviation: “http://www.”
10
61 63 73 2E 63 6F
6D 2E 68 6B
10
The URL itself.
“acs.com.hk”
