EM4056B6CB2RC 데이터 시트보기 (PDF) - EM Microelectronic - MARIN SA

부품명

상세내역

일치하는 목록

EM4056B6CB2RC

2KBIT Read/Write with ANTICOLLISION Contactless Identification Device

EM Microelectronic - MARIN SA 

EM4056

DeselTag

The DeselTag command address a transponder with its 32 bit address (ROM) and reset the flag Select to 0.

Reader

Transponder

1 bit

Start

4 bits

MSB

DeselTag

32 bits

MSB

ROM

8 bits

X8

CRC

tsp

2 bits

8 bits

X8

Sel nSel CRC

Prot

Prot command for writing the 2 (OTP) protection bit (read and write) at the specified address.

Fig. 9

Reader

1 bit

Start

4 bits

MSB

Prot

Transponder

8 bits

MSB

Address

2 bits

MSB

Wp/Rp

8 bits

X8

CRC

twp

2 bits

8 bits

X8

WOk nWOk CRC

Wp=1, the specified address is protected against writing.

Rp=1, the specified address is protected against reading.

WOk=1, the protection bit has been successfully written to one.

Fig. 10

Read

Read command to get a 16-bit word located at the specified address. If the address is read protected, the circuit transmits a

65535 value.

Reader

1 bit

Start

4 bits

MSB

Read

Transponder

8 bits

MSB

Address

8 bits

X8

CRC

16 bits 3 bits 8 bits

MSB

X8

trp Datas Prot CRC

Prot = (Wp / Rp / Suc)

Fig. 11

Datas

Rp

12345 dec

0

65535 dec

0

65535 dec

1

65535 dec

0

Suc

Definition

0

Data = 12345

0

Data = 65535

x

Read protected

1

Read protected by PIN

Wp=1, the specified address is protected against writing.

Rp=1, the specified address is protected against reading.

Suc=1, the specified address is protected by the PIN against reading.

Copyright © 2005, EM Microelectronic-Marin SA

7

www.emmicroelectronic.com

Share Link: