HTMS8201FTK datasheet(32/57 Pages) NXP

32 / 57 page

HTMS1x01_8x01

All information provided in this document is subject to legal disclaimers.

Product data sheet

COMPANY PUBLIC

Rev. 3.3 — 17 October 2014

152933

32 of 57

NXP Semiconductors

HTMS1x01; HTMS8x01

HITAG µ transponder IC

14.1 Flags

Every request command contains five flags which are sent in order Bit 1 (LSB) to Bit 5

(MSB). The specific meaning depends on the context.

Note:

For HITAG µ inventory (INV) flag and select (SEL) flag must be set to ’0’

Table 16.

Command Flags

Bit

Flag

Full name

Value Description

PEXT

Protocol EXTension

No protocol format extension

RFU

INV

INVentory

Flag 4 and Flag 5 are ’SEL’ and ’ADR’ Flag

Flag 4 and Flag 5 are ’RFU’ and ’NOS’ Flag

CRCT

CRC-Transponder

Transponder IC respond without CRC

Transponder IC respond contains CRC

4SEL

(INV==0)

SELect

in combination with ADR (see Table 18)

5ADR

(INV==0)

ADdRess

in combination with SEL (see Table 18)

4RFU

(INV==1)

Reserved for future

use

this flag is not used and set to '0'

5NOS

(INV==1)

16 slots while performing anti-collision

1 slot while performing anti-collision

Table 17.

Command Flags - Bit order

MSB

bit5

bit4

bit3

bit2

LSB

bit1

INV==0

ADR

SEL

CRCT

INV

PEXT

INV==1

NOS

RFU

CRCT

INV

PEXT

Table 18.

Meaning of ADR and SEL flag

ADR

SEL

Meaning

Request without UID, all

transponder ICs in READY state shall respond

Request contains UID, one

transponder IC (with corresponding UID) shall

respond

Request without UID, the

transponder IC in SELECTED state shall respond

Reserved for future use

HTMS8201FTK датащи(PDF) 32 Page - NXP Semiconductors

HTMS8201FTK датащи(HTML) 32 Page - NXP Semiconductors

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57

датащи скачать

ссылки URL