HTMS8001FUGSLASHAM datasheet(38/57 Pages) NXP

38 / 57 page

HTMS1x01_8x01

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Product data sheet

COMPANY PUBLIC

Rev. 3.4 — 21 May 2015

152934

38 of 57

NXP Semiconductors

HTMS1x01; HTMS8x01

HITAG µ transponder IC

14.7.1 READ MULTIPLE BLOCKS in INVENTORY mode

[Advanced, Advanced+]

The READ MULTIPLE BLOCK command can also be sent in inventory mode (which is

marked by INV-Flag = '1' within the request). Here request and response will change as

shown in following tables.

If the transponder detects an error during the inventory sequence, it shall remain silent.

After receiving RWD's command without error the transponder IC transmits the remaining

section of the UID in dual pattern code. The following data (Error Flag, Data 2, optional

CRC in no error case; Error Flag, Error Code, optional CRC in error case) is transmitted in

Manchester Code.

[1]

Error, CRC and Data are Manchester coded, UID is dual pattern coded

Table 31.

READ MULTIPLE BLOCKS - request format (12h)

Flags

Command Mask

length

Mask

value

Parameter 1

Parameter 2

CRC-16 Description

(16)

No. of bits

10(1)10

010010

n UID

length

First block

number

Number of

blocks

AC with 1

timeslot

00(1)10

010010

n UID

length

First block

number

Number of

blocks

AC with 16

timeslot

Table 32.

READ MULTIPLE BLOCKS in INVENTORY mode Response format [1]

Error Flag Data 1

Data 2

CRC-16

Description

48 - n

32 x number of blocks

(16)

No.of bits

Remaining section of UID

(without mask value)

User memory block data

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