MCP2140DM-TMPSNS Microchip Technology, MCP2140DM-TMPSNS Datasheet - Page 39

• Manufacturer Part Number: MCP2140DM-TMPSNS
• Description: BOARD DEMO FOR MCP2140
• Manufacturer: Microchip Technology

Specifications of MCP2140DM-TMPSNS

• Main Purpose: Interface, IrDA
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: MCP2140
• Primary Attributes: IrDA Controller with PIC18F MCU and Temp Sensor Temp
• Secondary Attributes: Set up as a Data Logger
• Processor To Be Evaluated: MCP2140
• Interface Type: ICSP
• Silicon Manufacturer: Microchip
• Silicon Core Number: MCP2140
• Kit Application Type: Sensing - Temperature
• Application Sub Type: Temperature Sensor
• Kit Contents: Board
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: MCP2140DM-TMPSNSR; MCP2140DM-TMPSNSR

FIGURE C-1:
 2004 Microchip Technology Inc.
Appendix C. MCP2140 Connection Sequence Overview
Normal Disconnect Mode (NDM)
Discovery
Normal Response Mode (NRM)
Open channel for IAS Queries
(max time slots - y frames)
between XID commands)
Send SNRM Command
Primary Device
Open channel for data
Send XID Commands
(approximately 70 ms
(time slots n, n+1, ...)
connection address)
Send Data or Status
Send Data or Status
Finish sending XIDs
HIGH-LEVEL MCP2140 CONNECTION SEQUENCE
(w/ parameters and
Send IAS Queries
(for 10 seconds)
(for 10 seconds)
No IR Activity
Shutdown link
No IR Activity
Broadcast ID
WIRELESS TEMPERATURE SENSOR
DEMO BOARD USER’S GUIDE
MCP2140 IrDA
(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
UA response with parameters
using connect address
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 time slot y,
claiming this time slot, (MCP214X
always claims time slot 0)
MCP2140
®
STANDARD
DS51487A-page 35