MCP2140A Microchip Technology, MCP2140A Datasheet
MCP2140A
Manufacturer Part Number
MCP2140A
Description
IrDA Standard Protocol Stack Controller With Fixed 9600 Baud Communication Rate
Manufacturer
Microchip Technology
Datasheet
1.MCP2140A.pdf
(60 pages)
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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
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