Datasheet > EM4150

EM4150

更新时间： 2024-11-09 04:18:31

品牌	Logo	应用领域
EMMICRO		装置
页数	文件大小	规格书
14页	551K
描述
1 KBit READ / WRITE CONTACTLESS IDENTIFICATION DEVICE

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中文翻译

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EM4150 数据手册

EM4150

EM4350

EM MICROELECTRONIC - MARIN SA

1 KBit READ / WRITE

CONTACTLESS IDENTIFICATION DEVICE

Description

Features

□

1 KBit of EEPROM organized in 32 words of 32 bits

The EM4150/EM4350 (previously named P4150/P4350)

is a CMOS integrated circuit intended for use in electronic

Read/Write RF Transponders. The chip contains 1 KBit of

EEPROM which can be configured by the user, allowing a

write inhibited area, a read protected area, and a read

area output continuously at power on. The memory can

be secured by using the 32 bit password for all write and

read protected operations. The password can be updated,

but never read. The fixed code serial number and device

identification are laser programmed making every chip

unique.

32 bit Device Serial Number (Read Only Laser ROM)

32 bit Device Identification (Read Only Laser ROM)

Power-On Reset sequence

Power Check for EEPROM write operation

User defined Read Memory Area at Power On

User defined Write Inhibited Memory Area

User defined Read Protected Memory Area

Data Transmission performed by Amplitude

Modulation

□

Two Data Rate Options 2 KBd (Opt64) or 4 KBd

(Opt32)

The EM4150 will transmit data to the transceiver by

modulating the amplitude of the electromagnetic field, and

receive data and commands in a similar way. Simple

commands will enable write to EEPROM, to update the

password, to read a specific memory area, and to reset

the logic.

□

Bit Period = 64 or 32 periods of field frequency

170 pF ± 2% on chip Resonant Capacitor

-40 to +85°C Temperature range

100 to 150 kHz Field Frequency range

On chip Rectifier and Voltage Limiter

No external supply buffer capacitance needed due to

low power consumption

The coil of the tuned circuit is the only external component

required, all remaining functions are integrated in the chip.

Applications

□

Ticketing

The only difference between EM4150 and EM4350 is that

EM4150 comes with standard sized pads, whereas

EM4350 comes with oversized (mega) pads, ideal for use

with bumps on die (Fig. 27).

Automotive Immobilizer with rolling code

High Security Hands Free Access Control

Industrial automation with portable database

Manufacturing automation

Prepayment Devices

Typical Operating Configuration

Pin Assignment

Coil 2

COIL2

EM4150

COIL1

EM4150

Coil 1

COIL 1

COIL 2

Coil terminal / Clock input

Coil terminal

Typical value of inductance at 125 KHz is 9.5 mH

Fig. 1

Fig. 2

www.emmicroelectronic.com

12 3 4 5 6 7...14

中文翻译

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