MCP2140T-I/SO Microchip Technology, MCP2140T-I/SO Datasheet

MCP2140T-I/SO

Manufacturer Part Number

MCP2140T-I/SO

Description

IC IRDA CONTROLLR DTE/DCE 18SOIC

Manufacturer

Microchip Technology

Datasheets

1.MCP2140-ISO.pdf (58 pages)

2.MCP2140-ISO.pdf (6 pages)

Specifications of MCP2140T-I/SO

Package / Case

18-SOIC (7.5mm Width)

Controller Type

IRDA Standard Protocol Stack Controller

Interface

UART

Voltage - Supply

3 V ~ 5.5 V

Current - Supply

2.2mA

Operating Temperature

-40°C ~ 125°C

Mounting Type

Surface Mount

Maximum Operating Temperature

+ 85 C

Minimum Operating Temperature

- 40 C

Mounting Style

SMD/SMT

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

For Use With

MCP2140DM-TMPSNS - BOARD DEMO FOR MCP2140

Lead Free Status / RoHS Status

Lead free / RoHS Compliant, Lead free / RoHS Compliant

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

MCP2140T-I/SO

Manufacturer:

MICROCHIP

Quantity:

12 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

MCP2140T-I/SO

Manufacturer:

MICROCHIP/微芯

Quantity:

20 000

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The MCP2140 Rev. A parts you have received conform

functionally to the MCP2140 device data sheets

(DS21790A), with the exception of the anomaly

described below.

These issues has been addressed in the MCP2140

Rev. B devices.

IR Protocol Handler

Increased number of BOF characters to 11 when

in Normal Disconnect Mode (NDM). The IrDA

standard required delay was met, but there were

reports of some Primary devices desiring to “see”

11 BOF characters.

Work around

None.

IR Protocol Handler

During IR communication from the MCP2140 to

the Primary device, if a frame with “data” is cor-

rupted, the IR link will be dropped.

Work around

None.

If the link is dropped, have a method to reconnect

the IR link.

To minimize the IR link being dropped, have the

embedded system (MCP2140) and the Primary

device held stable. Also minimize any obstructions

occurring between the Primary device and

Secondary device IR transceivers.

MCP2140 Rev. A Silicon/Data Sheet Errata

Clarifications/Corrections to the Data

Sheet:

In the MCP2140 device data sheet (DS21790A), the

following clarifications and corrections should be

noted:

FIGURE 1:

Note 1: These components are used to control

+5V

Figure 2-12 should be corrected to the circuit

shown in Figure 1.

47 pF

14Ω

R26

2: These components are used to set the

TFDU 4100

(1)

the width of the TFDU 4100 RXD output

signal

reference voltage that the RXPD signal

needs to cross to detect a bit.

MCP2140

+5V

4.7 kΩ

R16

CIRCUIT FOR AN

INTEGRATED OPTICAL

TRANSCEIVER

MMUN2111LT1

(1)

4.7 µF

C17

+5V

R18

10 kΩ

R13

10 kΩ

RXPDREF

DS80237A-page 1

+5V

RXPD

(2)

R10

47Ω

TXIR

C18

.1 µF

Related parts for MCP2140T-I/SO

MCP2140T-I/SO Summary of contents

Page 1

... To minimize the IR link being dropped, have the embedded system (MCP2140) and the Primary device held stable. Also minimize any obstructions occurring between the Primary device and Secondary device IR transceivers. © 2005 Microchip Technology Inc. MCP2140 Clarifications/Corrections to the Data Sheet: In the MCP2140 device data sheet (DS21790A), the ...

Page 2

Page 3

... ID that the device transmits during the NDM/Discover modes of the connec- tion sequence with an IR port will display this information when the mouse cursor is placed over the IR icon in the system tray. © 2005 Microchip Technology Inc. MCP2140 Package Marking Information 18-Lead PDIP MCP2140-I/P XXXXXXXXXXXXXXXXX ...

Page 4

Page 5

... PowerMate, PowerTool, rfLAB, rfPICDEM, Select Mode, Smart Serial, SmartTel, Total Endurance and WiperLock are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...

Page 6

... Fax: 65-6334-8850 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Taiwan - Hsinchu Tel: 886-3-572-9526 Fax: 886-3-572-6459 © 2005 Microchip Technology Inc. EUROPE Austria - Weis Tel: 43-7242-2244-399 Fax: 43-7242-2244-393 Denmark - Ballerup Tel: 45-4450-2828 Fax: 45-4485-2829 France - Massy Tel: 33-1-69-53-63-20 ...

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