MCP2140A-I/SS Microchip Technology, MCP2140A-I/SS Datasheet - Page 20
![IC IRDA CONTROLLR DTE/DCE 20SSOP](/photos/6/58/65895/150-20-ssop_sml.jpg)
MCP2140A-I/SS
Manufacturer Part Number
MCP2140A-I/SS
Description
IC IRDA CONTROLLR DTE/DCE 20SSOP
Manufacturer
Microchip Technology
Specifications of MCP2140A-I/SS
Interface
UART
Controller Type
IRDA Standard Protocol Stack Controller
Voltage - Supply
3 V ~ 5.5 V
Current - Supply
2.2mA
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
20-SSOP
Supply Voltage Range
3V To 5.5V
Power Dissipation Pd
800mW
Operating Temperature Range
-40°C To +85°C
Digital Ic Case Style
SSOP
No. Of Pins
20
Svhc
No SVHC (15-Dec-2010)
Interface Type
UART
Rohs Compliant
Yes
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:
Part Number:
MCP2140A-I/SS
Manufacturer:
TI
Quantity:
108
MCP2140
FIGURE 2-13:
DS21790A-page 20
Normal Disconnect Mode (NDM)
Discovery
Normal Response Mode (NRM)
Open channel for IAS Queries
(approximately 70 ms
(max timeslots - y frames)
between XID commands)
Primary Device
Finish sending XIDs
Broadcast ID
Send SNRM Command
(w/ parameters and
connection address)
Send XID Commands
(timeslots n, n+1, ...)
Open channel for data
Send Data or Status
Send Data or Status
HIGH LEVEL MCP2140 CONNECTION SEQUENCE
Send IAS Queries
No IR Activity
(for 10 seconds)
No IR Activity
(for 10 seconds)
Shutdown link
Preliminary
(Secondary Device)
Confirm channel open for data
(MCP2140 DSR pin driven low)
Send Data or Status
Send Data or Status
PHACT pin driven High
No Response to these XIDs
No Response to Broadcast ID
Confirm channel open for IAS
Provide IAS responses
Confirm shutdown
(back to NDM state)
PHACT pin driven Low
PHACT pin driven Low
No Response
XID Response in timeslot y,
claiming this timeslot, (MCP214X
always claims timeslot 0)
UA response with parameters
using connect address
MCP2140
2003 Microchip Technology Inc.