參數(shù)資料
型號: HTMS8001FUG
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
文件頁數(shù): 12/58頁
文件大?。?/td> 844K
代理商: HTMS8001FUG
152931
NXP B.V. 2010. All rights reserved.
Product data sheet
PUBLIC
Rev. 3.1 — 21 January 2010
152931
12 of 58
NXP Semiconductors
HITAG μ
Transponder IC
7.2 Memory configuration
The user configuration block consists of one configurable byte (Byte0) and three reserved
bytes (Byte1 to Byte3)
The bits in the user configuration block enable a customized configuration of the HITAG μ
transponder ICs. In TTF mode the user can choose Bi-phase or Manchester encoding and
also the data rate for the return link (bit0 to bit2). In RTF mode data rate and coding are
fixed with 4
kbit
/s Manchester encoding.
Fitting to ISO 11785 standard the default values are set for 4
kbit
/s Bi-Phase encoding.
The next four bits (bit 3 to bit 6) are used for password settings.
Three areas (TTF area(128bit), lower 512 bits and upper memory) can be restricted to
read/write access.
The user configuration block (User Config) is programmable by using WRITE SINGLE
BLOCK command at address FFh. Bits 7 to 31 (Byte1 to Byte3) are reserved for further
usage.
The user configuration block (block address FFh) and the password block (block address
FEh) can be locked with the LOCK BLOCK command.
Attention:
The lock of the blocks is permanently and therefore irreversible!
[1]
PWD(w)=1: read without password and write with password
[2]
PWD(r/w)=1: read and write with password
Table 6.
User configuration block to Byte0
Byte0
Description
Bit-no.
bit6
PWD (r/w)
[2]
Bit512… Max
bit5
PWD (w)
[1]
Bit512… Max
bit4
PWD (w)
[1]
Bit128… 511
bit3
PWD (w)
[1]
Bit0… 127
bit2
Encoding
bit1 ... 0
Data rate
0… MCH
1… Bi-Ph.
’00’… 2kbit/s
’01’… 4kbit/s
’10’… 8kbit/s
Value/meaning
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