MCP215X/40EV-DB Microchip Technology, MCP215X/40EV-DB Datasheet - Page 85

• Manufacturer Part Number: MCP215X/40EV-DB
• Description: BOARD DEMO FOR MCP215X/40
• Manufacturer: Microchip Technology

Specifications of MCP215X/40EV-DB

• Main Purpose: Interface, IrDA
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: MCP2150, MCP2155, MCP2140
• Primary Attributes: PICDEM™ Demo Board Interface
• Processor To Be Evaluated: MCP21x
• Interface Type: UART
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Secondary Attributes: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

FIGURE G-1:
© 2006 Microchip Technology Inc.
Normal Disconnect Mode (NDM)
Discovery
Normal Response Mode (NRM)
(some devices, such as PDAs, will not
Appendix G. MCP215X/40 Connection Sequence Overview
issue this command until data is sent)
Open channel for IAS Queries
(max timeslots - y frames)
between XID commands)
Primary Device
Send SNRM Command
Open channel for data
Send XID Commands
(approximately 70ms
(timeslots n, n+1, ...)
Return to NDM state
connection address)
Finish sending XIDs
Send Data or Status
Send Data or Status
(w/ parameters and
Send IAS Queries
HIGH-LEVEL MCP215X AND MCP2140 CONNECTION SEQUENCE
Shutdown link
Broadcast ID
DAUGHTER BOARD USER’S GUIDE
MCP215X/40 DEVELOPER’S
(MCP215X always claims timeslot 2)
(MCP2140 always claims timeslot 0)
(MCP2150 CD pin driven Low,
MCP2155/40 DSR pin driven Low)
MCP215X/MCP2140
(Secondary Device)
No Response
XID Response in timeslot y
(claiming this timeslot)
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 channel open for data
Send Data or Status
Send Data or Status
Confirm shutdown
(back to NDM state)
DS51591A-page 81