MCP2140AT-I/SS Microchip Technology, MCP2140AT-I/SS Datasheet

IC IRDA CONTROLLR DTE/DCE 20SSOP

MCP2140AT-I/SS

Manufacturer Part Number
MCP2140AT-I/SS
Description
IC IRDA CONTROLLR DTE/DCE 20SSOP
Manufacturer
Microchip Technology
Datasheets

Specifications of MCP2140AT-I/SS

Package / Case
20-SSOP
Controller Type
IRDA Standard Protocol Stack Controller
Interface
UART
Voltage - Supply
2 V ~ 5.5 V
Current - Supply
2.2mA
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Product
Controller Area Network (CAN)
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
Other names
MCP2140AT-I/SSTR

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MCP2140AT-I/SS
Manufacturer:
MICROCHIP
Quantity:
12 000
Features
• Implements the IrDA
• Provides IrDA standard physical signal layer
• Includes UART-to-IrDA standard encoder/
• Easily communicates with 16-bit PIC Microcon-
• UART interface for connecting to Data
• Transmit/Receive formats (bit width) supported:
• Hardware UART Support:
• Infrared Supported:
• Operates as Secondary Device
• Wide Operating Voltage: 2.0V to 5.5V
• Automatic Low Power mode:
• Footprint Compatibility with MCP2140
CMOS Technology
• Low power, high-speed CMOS technology
• Low voltage operation
• Industrial temperature range
• Low power consumption:
© 2007 Microchip Technology Inc.
- IrLAP
- IrLMP
- IAS
- TinyTP
- IrCOMM (9-wire “cooked” service class)
support including:
- Bidirectional communication
- CRC implementation
- Fixed Data communication rate of 9600 baud
decoder functionality:
- Easily interfaces with industry standard
troller IrDA Standard Stack Library
Communications Equipment (DCE) or Data
Terminal Equipment (DTE) systems
- 1.63 µs (Transmit & Receive)
- 3/16 bit time (Receive Only)
- 9.6 kbaud baud rate
- 60 Byte Data Buffer Size (64 Byte Packet)
- 9.6 kbaud baud rate
- 64 Byte Packet Size (60 Data Bytes)
- < 23 µA (maximum) @ 2.0V, when
- < 407 µA (maximum) @ 2.0V, 3.6864 MHz
UARTs and infrared transceivers
no IR activity present (PHACT = L)
With Fixed 9600 Baud Communication Rate
IrDA
®
standard, including:
®
Standard Protocol Stack Controller
Package Types
Block Diagram
PHACT
CTS
DSR
DTR
RTS
CD
RX
PDIP, SOIC
SSOP
TX
RI
RXPDREF
MCP2140A
RXPDREF
PHACT
RESET
PHACT
RESET
TXIR
TXIR
V
V
NC
RX
V
TX
SS
SS
NC
RI
RX
TX
Logic
and Decode
SS
RI
Protocol
Handler
Protocol Handler
Control
UART
MCP2140A
Encode and
1
2
3
4
5
6
7
8
9
10
Generator
1
2
3
4
5
6
7
8
9
Baud
Rate
18
17
16
15
14
13
12
11
10
20
19
18
17
16
15
14
13
12
11
+
-
DS22050A-page 1
RXPD
CD
OSC1/CLKI
OSC2
V
RTS
CTS
DTR
DSR
RXPD
CD
OSC1/CLKI
OSC2
V
V
RTS
CTS
DTR
DSR
DD
DD
DD
RXPDREF
RXPD
TXIR
OSC1
OSC2

Related parts for MCP2140AT-I/SS

MCP2140AT-I/SS Summary of contents

Page 1

... Footprint Compatibility with MCP2140 CMOS Technology • Low power, high-speed CMOS technology • Low voltage operation • Industrial temperature range • Low power consumption: - < 407 µA (maximum) @ 2.0V, 3.6864 MHz © 2007 Microchip Technology Inc. MCP2140A Package Types PDIP, SOIC RXPDREF 1 18 ...

Page 2

... I/O Note 1: Not all microcontroller I/O pins are required to be connected to the MCP2140A. DS22050A-page 2 MCP2140A TX TXIR Encode Baud Rate Generator RXPD RX + Decode - RXPDREF UART Control 0.1 µF Logic Optical Transceiver TXD RXD R1 (100 kΩ) R2 (100 kΩ) © 2007 Microchip Technology Inc. ...

Page 3

... PDAs • 16-bit PIC Microcontroller IrDA Standard Stack Library The complete IrDA standard specification is available for download from the IrDA web site at www.IrDA.org. © 2007 Microchip Technology Inc. 1.1 Applications The MCP2140A Infrared Communications Controller, supporting the IrDA standard, provides embedded ...

Page 4

... I/O Note 1: Not all microcontroller I/O pins are required to be connected to the MCP2140A. DS22050A-page 4 MCP2140A TX TXIR Encode Baud Rate Generator RXPD RX + Decode - RXPDREF UART Control 0.1 µF Logic Optical Transceiver TXD RXD R1 (100 kΩ) R2 (100 kΩ) © 2007 Microchip Technology Inc. ...

Page 5

... Legend: TTL = TTL compatible input A = Analog CMOS = CMOS compatible input I = Input Note 1: The state of the DSR output pin does not reflect the state of the DTR bit of the IrDA Primary Device. © 2007 Microchip Technology Inc. Pin Buffer Type Type Receive Photo Detect Diode reference voltage. This ...

Page 6

... IR RX Photo Detect Diode input. This input signal is required pulse to indicate an IR bit. When the amplitude of the signal crosses the amplitude threshold set by the RXPDREF pin, the IR bit is detected Schmitt Trigger input with CMOS levels P = Power OC = Open collector output O = Output Description © 2007 Microchip Technology Inc. ...

Page 7

... MCP2140A requires the use of an external voltage supervisory cir- cuit to ensure proper system operation. © 2007 Microchip Technology Inc. 2.2 Device Reset The MCP2140A is forced into the reset state when the RESET pin is in the low state ...

Page 8

... BITCLK when the data is transmitted (not for reception). This clock is a fixed-frequency and has minimal variation in frequency (specified by the crystal manufacturer). OSC2 (C2 external OSC2 (C2 external Section 4.3 “Timing Specifications”. Figure 2-2 shows EXTERNAL CLOCK MCP2140A OSC1 OSC2 © 2007 Microchip Technology Inc. ...

Page 9

... Host Controller and the MCP2140A. They are: • DSR • RTS • CTS © 2007 Microchip Technology Inc. 2.4.4.1 DSR The DSR signal indicates that the MCP2140A has established a link between the MCP2140A and the Primary Device. Please refer to Devices Connect” ...

Page 10

... CTS WAVEFORM FROM HOST CONTROLLER STREAMING OF 250 BYTES TO THE MCP2140A CTS DS22050A-page 10 Receive Buffer IR Data Packet Transmitted Full (60 Bytes) Receive Buffer Empty MCP2140A Can Receive Data Receive Buffer Has 59 Bytes, CTS Pin Driven High IR Data Packet Starts Transmission © 2007 Microchip Technology Inc. ...

Page 11

... FIGURE 2-5: HOST UART CTS FLOW CONTROL FLOWCHART No Transmit? Return © 2007 Microchip Technology Inc. IR Flow Start Host Transmit No Buffer Avail? Yes Yes More No Bytes To DTR Low? Yes CTS Low? Yes Transmit Byte MCP2140A No DS22050A-page 11 ...

Page 12

... If the value to transmit is a logic-high, the TXIR pin will output a low level for the entire 16-bit clock cycles. Data bit 1 Data bit 2 Data bit ... Parameter IR121). The 1 0 © 2007 Microchip Technology Inc. ...

Page 13

... CLK) 16 CLK 16 CLK RX 0 © 2007 Microchip Technology Inc. 2.6 IR Port Baud Rate The baud rate for the MCP2140A IR port (the TXIR and RXIR pins) is fixed at the default rate of 9600 baud. The Primary device will be informed of this parameter during NDM ...

Page 14

... IrCOMM are shown in The IrDA protocol for printer support is not included in the IrCOMM 9-wire “cooked” service class. (1) IrMC Synchronous 4 PPM (4 Mb/s) IrCOMM Services Serial Parallel Centronics IEEE 1284 Figure 2-9. Cooked Services Serial 3-wire Cooked 9-wire Cooked © 2007 Microchip Technology Inc. ...

Page 15

... The PHACT pin indicates if the Protocol Handler is Active or inactive (low power mode). Another way to minimize system power is to use an I/O pin of the Host Controller to enable power to the IR circuity © 2007 Microchip Technology Inc. MCP2140A 2.8.1 AUTOMATIC LOW POWER MODE The Automatic Low Power mode allows the system to achieve the lowest possible operating current. When the IR link has been “ ...

Page 16

... CTS Pin Driven High IR Data Packet Starts Transmission Effective Comment (2) Baud Rate 7062 Figure 2-14 Note 7 3692 7418 Figure 2-12 4553 Figure 2-13 7530 Figure 2-15 IR Data Packet Transmitted Receive Buffer Empty MCP2140A Can Receive Data © 2007 Microchip Technology Inc. ...

Page 17

... Secondary Device Secondary Device Decodes Primary Sends Data Devices Reponse HOST CONTROLLER TRANSMISSION (S → 250 BYTE PACKET FIGURE 2-12: (TO PIC IrDA STANDARD STACK) © 2007 Microchip Technology Inc. Secondary Device Primary Device Responds to Decodes Secondary Open Link Frame Device Response Primary Device ...

Page 18

... MCP2140A HOST CONTROLLER RECEPTION (P → 250 BYTE PACKET FIGURE 2-13: (FROM PIC IRDA STANDARD STACK) DS22050A-page 18 © 2007 Microchip Technology Inc. ...

Page 19

... HOST CONTROLLER TRANSMISSION (S → 250 BYTE PACKET FIGURE 2-14: (TO PC WITH IRDA PORT) © 2007 Microchip Technology Inc. MCP2140A DS22050A-page 19 ...

Page 20

... MCP2140A FIGURE 2-15: HOST CONTROLLER TRANSMISSION (S (TO PDA HP IPAQ H2495B) DS22050A-page 20 → 250 BYTE PACKET © 2007 Microchip Technology Inc. ...

Page 21

... IR Receive frame. 3: The maximum number of bytes of the Host UART Receive buffer. 4: The CTS signal is driven high after the 59 byte. © 2007 Microchip Technology Inc. 2.10.2.3 Direction of Data Transmitted Due to the different characteristics of the Primary Device and the Secondary Device, the data throughput ...

Page 22

... R15 RXPDREF 10 kΩ (MCP2140 Pin 1) MCP2140A MODIFICATIONS OF MCP2140 WAVE SHAPING CIRCUIT +5V R16 (Open) R13 optional Q1 BAT54 R11 Schottky optional RXPD R20 Diode (MCP2140A 4.7 kΩ Pin 18) R14 10 kΩ R15 RXPDREF 10 kΩ (MCP2140A Pin 1) © 2007 Microchip Technology Inc. ...

Page 23

... FIGURE 2-18: MCP2140A “BLUE WIRE” MODIFICATIONS OF MCP2140 WAVE SHAPING CIRCUIT RXD FIGURE 2-19: MCP2140A MODIFICATIONS OF MCP2140 WAVE SHAPING CIRCUIT © 2007 Microchip Technology Inc. +5V R16 (Open) R13 optional Q1 C19 R11 optional R20 (MCP2140A 4.7 kΩ “Blue Wire” +5V R14 10 kΩ ...

Page 24

... Table TABLE 2-4: ( Company ® Sharp (3) 64 ® Infineon ® Agilent ® (3) Vishay /Temic 64 Rohm 407 23 Not Required (1) High to Low only 2-4. COMMON OPTICAL TRANSCEIVER MANUFACTURERS Company Web Site Address www.sharpsma.com www.infineon.com www.agilent.com www.vishay.com www.rohm.com © 2007 Microchip Technology Inc. ...

Page 25

... MCP2140 will need to be modified. See Section 2.13 “Optical Interface” for additional infor- mation on modifing the MCP2140 wave shaping circuit. Please check with the Microchip Technology Inc. web site (www.microchip.com) for additional boards and technical information. © 2007 Microchip Technology Inc. ...

Page 26

... Headers to easily connect to the user’s embedded system • Jumpers to select circuit connections between MCP2150, MCP2155, and MCP2140 • Jumpers to select routing of MCP215X/40 signals to the PICDEM™ Demo Board Headers • Jumpers to configure the operating mode of the board © 2007 Microchip Technology Inc. ...

Page 27

... IrDA standard port in their system. FIGURE 3-3: MCP2140 IRDA WIRELESS TEMPERATURE SENSOR DEMO BOARD © 2007 Microchip Technology Inc. MCP2140A Features: • Demonstrates the MCP2140 IrDA Protocol Controller in a data logging application • Communicates directly to a laptop computer, Palm or Pocket PC PDA • ...

Page 28

... MCP2140A NOTES: DS22050A-page 28 © 2007 Microchip Technology Inc. ...

Page 29

... Note: Voltage spikes below V SS Thus, a series resistor 100Ω should be used when applying a “low” level to the RESET pin rather than pulling this pin directly to V © 2007 Microchip Technology Inc. ...................................................................................................... -0.3V to +14V ................................................................................. –0. ................................................................................................................... ± )............................................................................................................. ± ∑ ...

Page 30

... MCP2140A VOLTAGE-FREQUENCY GRAPH, -40°C ≤ T FIGURE 4-1: 6.0 5.5 5.0 4.5 V 4.0 DD (Volts) 3.5 3.0 2.5 2 3.6864 DS22050A-page 30 ≤ +85° Frequency (MHz) © 2007 Microchip Technology Inc. 20 ...

Page 31

... When the device is in low power mode (PHACT pin is low), current is measured with all input pins tied and the output pins driving a high or low level into infinite impedance © 2007 Microchip Technology Inc. Electrical Characteristics: Standard Operating Conditions (unless otherwise specified) Operating Temperature: -40°C ≤ T (1) Min ...

Page 32

... 0.7 — — — — — — © 2007 Microchip Technology Inc. Section 4.1 Conditions 4.5V ≤ V ≤ 5.5V DD otherwise ≤ V ≤ pin at SS PIN DD high-impedance. ≤ V ≤ PIN DD ≤ V ≤ PIN ...

Page 33

... Operating temperature: -40°C ≤ Specifications Operating voltage V Characteristics”. FIGURE 4-2: LOAD CONDITIONS FOR DEVICE TIMING SPECIFICATIONS C L Pin V SS © 2007 Microchip Technology Inc. Table 4-2 apply to all timing specifications, unless otherwise noted. 2. TppS T Time osc Oscillator tx Transmit RST Reset ...

Page 34

... ≤ +85°C (industrial) A Section 4.1 “DC Units Conditions ns Device Operation ns Low Power mode (PHACT drives Low) ns MHz MHz % % ns ns © 2007 Microchip Technology Inc. ...

Page 35

... RESET Low or device Reset Note 1: Data in the Typical (“Typ”) column is at 5V, +25°C unless otherwise stated. 2: These parameters are for design guidance only and are not tested. © 2007 Microchip Technology Inc Electrical Characteristics: Standard Operating Conditions (unless otherwise specified): Operating Temperature: -40° ...

Page 36

... Operating Temperature: -40°C ≤ T Operating Voltage V range is described in DD Characteristics” Min Typ Max 384 — 384 — — — — (1) Data Bit Data Bit IR100 IR100 ≤ +85°C (industrial) A Section 4.1 “DC Units Conditions T OSC ±2 % ±1 % © 2007 Microchip Technology Inc. ...

Page 37

... MCP2140A) IR112 E Receive (RX pin) Baud rate Error (out of RXBIT (1) MCP2140A) Note 1: This error is not additive to the IR111 parameter. © 2007 Microchip Technology Inc. Start Bit Data Bit IR110 IR110 IR113 IR113 Electrical Characteristics: Standard Operating Conditions (unless otherwise specified): Operating Temperature: -40°C ≤ T ...

Page 38

... Operating Temperature: -40°C ≤ T Operating Voltage V range is described in DD Characteristics” Min Typ Max 384 — 384 12 — 12 (1) — 16 — Data bit ... IR122 IR122 1 0 ≤ +85°C (industrial) A Section 4.1 “DC Units Conditions T BAUD = 9600 OSC T OSC T BITCLK © 2007 Microchip Technology Inc. ...

Page 39

... T Response Time RESP * These parameters characterized but not tested. Note /16. BITCLK RXBIT 2: Response time measured with RXPDREF at (V © 2007 Microchip Technology Inc. Data bit 6 Data bit 5 Data bit ... IR132 IR132 Data bit 6 Data bit 5 Electrical Characteristics: Standard Operating Conditions (unless otherwise specified): Operating Temperature: -40° ...

Page 40

... SOF character and properly receive the IR packet. DS22050A-page 40 IR140 Electrical Characteristics: Standard Operating Conditions (unless otherwise specified): Operating Temperature: -40°C ≤ T Operating Voltage V range is described in DD Characteristics” Min Typ Max — — 4 (1) ≤ +85°C (industrial) A Section 4.1 “DC Units Conditions ms © 2007 Microchip Technology Inc. ...

Page 41

... I (PHACT = H) VS. DD TEMPERATURE 1000 900 800 700 600 500 400 300 200 2.0 2.5 3.0 3.5 4.0 4.5 V (Volts) DD © 2007 Microchip Technology Inc 5.5V FIGURE 5- 125°C 85°C 10 25°C 5 0°C -40°C 0 5.0 5.5 2 2.5 MCP2140A = -40°C to +125°C. ...

Page 42

... MCP2140A NOTES: DS22050A-page 42 © 2007 Microchip Technology Inc. ...

Page 43

... Note: In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. © 2007 Microchip Technology Inc. MCP2140A Example ...

Page 44

... E1 .240 D .880 L .115 c .008 b1 .045 b .014 eB – NOM MAX 18 – .210 .130 .195 – – .310 .325 .250 .280 .900 .920 .130 .150 .010 .014 .060 .070 .018 .022 – .430 Microchip Technology Drawing C04-007B © 2007 Microchip Technology Inc. ...

Page 45

... Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed 0.15 mm per side. 4. Dimensioning and tolerancing per ASME Y14.5M. BSC: Basic Dimension. Theoretically exact value shown without tolerances. REF: Reference Dimension, usually without tolerance, for information purposes only. © 2007 Microchip Technology Inc α ...

Page 46

... A1 0.05 – E 7.40 7.80 E1 5.00 5.30 D 6.90 7.20 L 0.55 0.75 L1 1.25 REF c 0.09 – φ 0° 4° b 0.22 – Microchip Technology Drawing C04-072B φ L MAX 2.00 1.85 – 8.20 5.60 7.50 0.95 0.25 8° 0.38 © 2007 Microchip Technology Inc. ...

Page 47

... APPENDIX A: REVISION HISTORY Revision A (June 2007) • Original release of this document © 2007 Microchip Technology Inc. MCP2140A APPENDIX B: HOW DEVICES CONNECT When two devices implementing the IrDA standard feature establish a connection using the IrCOMM protocol, the process is analogous to connecting two devices with serial ports using a cable. This is referred “ ...

Page 48

... During NDM, the MCP2140A handles all responses to the Primary Device (Figure B-1) communication with the Host Controller. The Host Con- troller is inhibited by the CTS signal of the MCP2140A from sending data to the MCP2140A. © 2007 Microchip Technology Inc. without any ...

Page 49

... Figure out any communication with the Host Controller. The Host Controller is inhibited by the CTS signal of the MCP2140A from sending data to the MCP2140A. © 2007 Microchip Technology Inc. B.3 Normal Connect Mode (NCM) Once discovery has been completed, the Primary Device and Secondary Device can freely exchange data ...

Page 50

... Confirm channel open for IAS Provide IAS responses Confirm channel open for data (MCP2140A DSR pin driven low) Send Data or Status Send Data or Status Confirm shutdown (back to NDM state) PHACT pin driven Low © 2007 Microchip Technology Inc. ...

Page 51

... PLS (Physical Signalling) Bit Encoding/Decoding Bit Timing Synchronization PMA (Physical Medium Attachment) Driver/Receiver Characteristics MDI (Medium Dependent Interface) Connectors © 2007 Microchip Technology Inc. Layering Has to be implemented in Host Controller firmware (such as a PIC Regions implemented by the MCP2140A Regions implemented by the Optical Transceiver logic ...

Page 52

... Continuous operation from contact to at least 1 meter (typically 2 meters can be reached low power specification reduces the objective for operation from contact to at least 20 cm (low power and low power (low power and standard power) Physical Layer Specification is © 2007 Microchip Technology Inc. ...

Page 53

... Host O.S. or Application IrCOMM IrLMP – IAS IrLAP IrPHY © 2007 Microchip Technology Inc. Figure C-4 shows how the IrLAP frame is organized. The frame is preceded by some number of Beginning of Frame characters (BOFs). The value of the BOF is generally 0xC0, but 0xFF may be used if the last BOF character is a 0xC0 ...

Page 54

... Note: The MCP2140A supports the 9-wire “cooked” service class of IrCOMM. Other service classes supported by IrCOMM are shown in IrCOMM Services Serial Parallel Centronics IEEE 1284 Figure C-5. Cooked Services Serial 3-wire Cooked 9-wire Cooked © 2007 Microchip Technology Inc. ...

Page 55

... Also how call control and real-time voice are handled (RTCON). Note: Not supported by MCP2140A. C.1.7.5 IrDA Lite IrDA Lite describes how to reduce the application code requirements, while maintaining compatibility with the full implementation. Note: Not supported by MCP2140A. © 2007 Microchip Technology Inc. MCP2140A DS22050A-page 55 ...

Page 56

... CTS HC HC → MCP2140A Legend Host Controller DS22050A-page 56 APPENDIX E: • None Comment Carrier Detect Received Data Transmit Data Data Terminal Ready Ground Data Set Ready Request to Send Clear to Send Ring Indicator KNOW PRIMARY DEVICE COMPATIBILITY ISSUES © 2007 Microchip Technology Inc. ...

Page 57

... Plastic DIP (300 mil, Body), 18-lead SO = Plastic SOIC (300 mil, Body), 18-lead SS = Plastic SSOP (209 mil, Body), 20-lead © 2007 Microchip Technology Inc. MCP2140A . Examples: a) MCP2140A-I/P: Industrial Temp., PDIP packaging b) MCP2140A-I/SO: Industrial Temp., SOIC package c) MCP2140AT-I/SS: Tape and Reel, Industrial Temp., SSOP package DS22050A-page 57 ...

Page 58

... MCP2140A NOTES: DS22050A-page 58 © 2007 Microchip Technology Inc. ...

Page 59

... PowerInfo, PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Smart Serial, SmartTel, Total Endurance, UNI/O, WiperLock and ZENA 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 60

... Fax: 886-3-572-6459 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 © 2007 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...

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