MCP2140-IP MICROCHIP [Microchip Technology], MCP2140-IP Datasheet - Page 53
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MCP2140-IP
Manufacturer Part Number
MCP2140-IP
Description
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.MCP2140-IP.pdf
(58 pages)
- Current page: 53 of 58
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APPENDIX D: DB-9 PIN
Table D-1
direction of the MCP2140 signals. The MCP2140 is
designed for use in Data Communications Equipment
(DCE) applications.
TABLE D-1:
TABLE E-1:
Legend: HC = Host Controller
Primary Device
HP Jornada 720
Personal Computers Windows
Pin No.
2003 Microchip Technology Inc.
DB-9
1
2
3
4
5
6
7
8
9
CD
RX
TX
DTR
GND
DSR
RTS
CTS
RI
Signal
shows the DB-9 pin information and the
DB-9 SIGNAL INFORMATION
PRIMARY DEVICE ISSUES
HC
MCP2140
HC
HC
MCP2140
HC
MCP2140
HC
INFORMATION
Direction
Operating System
HPC Pro/Windows CE™ 3.0
(Pocket PC)
list of which versions)
MCP2140 Carrier Detect
MCP2140 Transmit Data
MCP2140 Data Terminal
MCP2140 Request to
MCP2140 Ring Indicator
—
®
HC Received Data
HC Data Set
HC Clear to Send
2000 (do not have
Ready
Ground
Ready
Send
Comment
Preliminary
Issue
Jornada 720 transmits 0xFF (not
0xC0) for extra SOF (Start-of-
Frame) characters during NDM.
The operating system will reset if
an IR device ID of “null” is
received.
APPENDIX E:
Table E-1
interfacing to the MCP2140.
show the known issues of Primary Devices
KNOW PRIMARY
DEVICE
COMPATIBILITY
ISSUES
Result
MCP2140 will not connect
to the Jornada 720.
MCP2140 will not connect
to the PC
MCP2140
DS21790A-page 53
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