参数资料
型号: MCP2140T-I/SS
厂商: Microchip Technology
文件页数: 49/58页
文件大小: 0K
描述: IC IRDA CONTROLLR DTE/DCE 20SSOP
标准包装: 1,600
控制器类型: IRDA 标准协议栈控制器
接口: UART
电源电压: 3 V ~ 5.5 V
电流 - 电源: 2.2mA
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
供应商设备封装: 20-SSOP
包装: 带卷 (TR)
配用: MCP2140DM-TMPSNS-ND - BOARD DEMO FOR MCP2140
2003 Microchip Technology Inc.
Preliminary
DS21790A-page 53
MCP2140
APPENDIX D: DB-9 PIN
INFORMATION
Table D-1 shows the DB-9 pin information and the
direction of the MCP2140 signals. The MCP2140 is
designed for use in Data Communications Equipment
(DCE) applications.
TABLE D-1:
DB-9 SIGNAL INFORMATION
APPENDIX E: KNOW PRIMARY
DEVICE
COMPATIBILITY
ISSUES
Table E-1 show the known issues of Primary Devices
interfacing to the MCP2140.
TABLE E-1:
PRIMARY DEVICE ISSUES
DB-9
Pin No.
Signal
Direction
Comment
1
CD
HC
→ MCP2140 Carrier Detect
2
RX
MCP2140
→ HC Received Data
3
TX
HC
→ MCP2140 Transmit Data
4
DTR
HC
→ MCP2140 Data Terminal
Ready
5
GND
Ground
6
DSR
MCP2140
→ HC Data Set
Ready
7
RTS
HC
→ MCP2140 Request to
Send
8
CTS
MCP2140
→ HC Clear to Send
9
RI
HC
→ MCP2140 Ring Indicator
Legend: HC = Host Controller
Primary Device
Operating System
Issue
Result
HP Jornada 720
HPC Pro/Windows CE 3.0
(Pocket PC)
Jornada 720 transmits 0xFF (not
0xC0) for extra SOF (Start-of-
Frame) characters during NDM.
MCP2140 will not connect
to the Jornada 720.
Personal Computers Windows 2000 (do not have
list of which versions)
The operating system will reset if
an IR device ID of “null” is
received.
MCP2140 will not connect
to the PC
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