Datasheet > DS1413

DS1413

更新时间： 2024-09-25 06:54:39

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
2页	160K
描述
Passive Serial Port iButton Holder

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数据手册

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DS1413 数据手册

19-4863; 8/09

DS1413

Passive Serial Port

iButton^®

Holder

www.maxim-ic.com

FEATURES

. Small size, low-cost interface to an RS232C

COM Port for reading and writing iButton^®

devices

. Supports reading all and writing non-

EPROM iButton devices at regular speed

. Powered entirely from an RS232 interface

. Standard DB female connector for mating to

the COM Port of a computer with a DS9098

iButton Retainer for a single iButton or

MicroLAN Cable (DS1402x)

ORDERING INFORMATION

DS1413#

DB–9 Connector

# Denotes an RoHS-compliant device that may include

lead(Pb) that is exempt under the RoHS requirements.

DESCRIPTION

The DS1413 Passive Serial Port iButton Holder is a simple, low-cost adapter which performs RS232C

(±12 volt) level conversion, allowing a non-EPROM iButton to be read and written directly. It can also

read all EPROM based iButtons. The serial port must support a data transmission rate of 115.2 kbits/s in

order to create the 1-Wire^®time slots correctly. Nearly all PCs and several other hardware platforms

support the required bit rate and are fully compatible with the DS1413. Since an eight bit character

(6-data bits plus start-and stop bit) on the RS232C port operating at 115.2 kbits/s is used to form a single

1-Wire time slot, the maximum effective 1-Wire transfer rate is 14.4 kbits/s (regular speed). The DS1413

has a DS9098 retainer for a single F5 Micro-Can and can replace the DS9097 COM Port Adapter in

applications that use only a single iButton. Multiple iButtons can be connected to the DS1413 using

standard MicroLAN Cables and button holders (see DS1401 and DS1402x data sheets).

The DS1413 does not support the strong pullup. For applications requiring a strong 5-volt pullup see

DS1411. Details on the operation of the DS1413 are found in Application Note 214: Using a UART to

Implement a 1-Wire Bus Master.

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