參數(shù)資料
型號(hào): HTMS8201FTK
廠商: NXP Semiconductors N.V.
元件分類: 通信及網(wǎng)絡(luò)
英文描述: HITAG ?; Transponder IC
封裝: HTMS1001FTB/AF<sot1122 (XSON3)|<<http://www.nxp.com/packages/sot1122.html<1<Always Pb-free,;HTMS1001FTK/AF<SOT899-1 (HVSON2)|<<http://www.nxp.com/packages/SOT899-1.html&l
文件頁(yè)數(shù): 24/58頁(yè)
文件大小: 844K
代理商: HTMS8201FTK
152931
NXP B.V. 2010. All rights reserved.
Product data sheet
PUBLIC
Rev. 3.1 — 21 January 2010
152931
24 of 58
NXP Semiconductors
HITAG μ
Transponder IC
10.3.2
RWD receives no HITAG μ transponder IC response
During an inventory process, when the RWD has received no HITAG μ
advanced/advanced+ transponder IC response, it needs to wait T
Fp3
before sending a
subsequent EOF to switch to the next slot, if a 16 slot anticollision request is processed, or
sending a subsequent request (which could be again an inventory request).
T
Fp3
starts from the time the RWD has generated the falling edge of the last sent EOF.
The minimum value of T
Fp3
is T
Fp3min
= T
Fp1max
+ T
FpSOF
.
T
FpSOF
is the time duration for a HITAG μ advanced/advanced+ transponder to transmit
an SOF to the reader.
Table 11.
Symbol
T
FpSOF
T
Fp1
T
Fp2
T
Fp3
[1]
T
C...
Carrier period time (
1/
134.2
kHz = 7.45
μ
s nominal)
Fig 14. Protocol timing diagram without HITAG μ transponder IC response
Overview timing parameters
[1]
Min
3
×
T
Fd
204
×
T
C
150
×
T
C
T
Fp1max
+ T
FpSOF
Max
3
×
T
Fd
213
×
T
C
-
-
001aaj834
carrier on
request
no response
request (or EOF)
carrier off
load off
load on
HITAG
μ
reader
T
FpSOF
T
Fp3
T
Fp1MAX
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