參數(shù)資料
型號: HTMS8301FTB
廠商: NXP Semiconductors N.V.
元件分類: 通信及網(wǎng)絡(luò)
英文描述: ISO 18000 transponder IC
封裝: HTMS1301FTB/AF<sot1122 (XSON3)|<<http://www.nxp.com/packages/sot1122.html<1<Always Pb-free,;HTMS1301FUG/AM<Uncased die|<<<1<Always Pb-free,;HTMS8301FTB/AF<sot1122
文件頁數(shù): 10/44頁
文件大小: 719K
代理商: HTMS8301FTB
184430
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
PUBLIC
Rev. 3.0 — 18 March 2010
184430
10 of 44
NXP Semiconductors
HITAG μ
ISO 18000 transponder IC
10.1.2
Data rate and data coding
The RWD to HITAG μ ISO 18000 transponder IC communication uses Pulse Interval
Encoding. The RWD creates pulses by switching the carrier off as described in
Figure 4
.
The time between the falling edges of the pulses determines either the value of the data
bit ’0’, the data bit ’1’, a code violation or a stop condition.
Assuming equal distributed data bits ’0’ and ’1’, the data rate is in the range of about
5.2
kbit
/s.
Table 6.
[1]
T
C...
Carrier period time (
1/
125
kHz
= 8
μ
s nominal)
Fig 4.
Reader to HITAG μ ISO 18000 transponder IC: Pulse Interval Encoding
Data coding times
[1]
Meaning
Symbol
Min
4
×
T
c
18
×
T
c
26
×
T
c
34
×
T
c
42
×
T
c
Max
10
×
T
c
22
×
T
c
30
×
T
c
38
×
T
c
n/a
Carrier off time
T
F1
T
Fd0
T
Fd1
T
Fcv
T
Fsc
Data “0” time
Data “1” time
Code violation time
Stop condition time
001aaj827
carrier on
T
F1
carrier off
T
Fsc
"stop condition''
carrier on
T
F1
carrier off
T
F1
T
Fcv
"code violation''
carrier on
T
F1
carrier off
T
F1
T
Fd1
data "1''
carrier on
T
F1
carrier off
T
F1
T
Fd0
data "0''
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