參數(shù)資料
型號(hào): HTMS8101FUG
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): 14/58頁(yè)
文件大小: 844K
代理商: HTMS8101FUG
152931
NXP B.V. 2010. All rights reserved.
Product data sheet
PUBLIC
Rev. 3.1 — 21 January 2010
152931
14 of 58
NXP Semiconductors
HITAG μ
Transponder IC
The steps necessary to transfer the HITAG
μ
transponder IC into the data exchange mode
are shown in
Figure 3
. The downlink communication takes place in period C and D. The
example in
Figure 3
shows two data blocks (#1 and #2) being selected by the RWD, which
then are transmitted by the HITAG μ transponder IC.
Fig 3.
RF interface for HITAG μ
Cycle A:
Cycle B:
The
RWD
reads the ISO 11785 frame.
The
RWD
switches off the interrogation field for at least 5 ms in order to reset the
HITAG μ transponder IC
.
The
RWD
sends either the SOF at the start of a valid request or the SWITCH
command to the
HITAG μ transponder IC
in order to put it into the data exchange
mode. Any of these has to be issued within the switch window after reset - as
defined in
Section 9.2 “Mode switching protocol”
Read/Write (for
HITAG μ transponder ICs)
or Inventory (
HITAG μ
advanced/advanced+ transponder ICs)
operation in the data exchange mode.
After all operations are finished or the
HITAG μ transponder IC
left the antenna
field, the
RWD
switches off the field for at least 5 ms in order to poll for new
incoming HITAG μ or HITAG μ advanced/advanced+.
Cycle C:
Cycle D:
Cycle E:
001aaj824
5 .. 20 ms
5 .. 20 ms
time
min 5 ms
ISO11785
ISO11785
HITAG
μ
reader
field
HITAG
μ
response
A
B
C
D
D
E
A
B
A
ISO11785
ISO11785
#1
#2
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