MCP2155_13 Datasheet, PDF (1/52 Pages) Microchip Technology – IrDA® Standard Protocol Stack Controller

MCP2155
IrDA^® Standard Protocol Stack Controller
Supporting DCE Applications
Features
• Implements the IrDA^® standard including:
- IrLAP
- IrLMP
- IAS
- TinyTP
- IrCOMM (9-wire “cooked” service class)
• Provides IrDA standard physical signal layer
support including:
- Bi-directional communication
- CRC implementation
- Data communication rates up to 115.2 kbaud
• Includes UART to IrDA standard bit encoder/
decoder functionality:
- Easily interfaces to industry standard UARTs
and infrared transceivers
• UART interface for connecting to Data
Communicating Equipment (DCE) systems
• Transmit/Receive formats (bit width) supported:
- 1.63 µs
• Hardware baud rate selection for UART
- 9.6 kbaud
- 19.2 kbaud
- 57.6 kbaud
- 115.2 kbaud
• Infrared baud rates supported
- 9.6 kbaud
- 19.2 kbaud
- 38.4 kbaud
- 57.6 kbaud
- 115.2 kbaud
• 64 Byte Data Packet Size
• Programmable Device ID String
• Operates as Secondary Device
CMOS Technology
• Low-power, high-speed CMOS technology
• Fully static design
• Low voltage operation
• Industrial temperature range
• Low power consumption
- < 1 mA @ 3.3V, 11.0592 MHz (typical)
- 3 mA typical @ 5.0V when disabled
Pin Diagrams
PDIP, SOIC
BAUD0
TXIR
RXIR
RESET
VSS
EN
TX
RX
RI
1 18
2 17
3 16
4 15
5 14
6 13
7 12
8 11
9 10
SSOP
BAUD0
TXIR
RXIR
RESET
VSS
VSS
EN
TX
RX
RI
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10 11
BAUD1
CD
OSC1/CLKI
OSC2
VDD
RTS
CTS
DTR
DSR
BAUD1
CD
OSC1/CLKI
OSC2
VDD
VDD
RTS
CTS
DTR
DSR
Block Diagram
MCP2155
Encode and
TX
Protocol Stack
Handler
EN
Logic
BAUD1
BAUD0
Baud Rate
Generator
TXIR
RX
RTS
CTS
DSR
DTR
CD
RI
Protocol Stack
Handler and
Decode
UART
Control
RXIR
OSC1
OSC2
 2001-2013 Microchip Technology Inc.
Preliminary
DS21690B-page 1