参数资料
型号: MCP2140A-I/SS
厂商: Microchip Technology
文件页数: 50/66页
文件大小: 0K
描述: IC IRDA CONTROLLR DTE/DCE 20SSOP
标准包装: 67
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: 管件
产品目录页面: 685 (CN2011-ZH PDF)
配用: MCP2140DM-TMPSNS-ND - BOARD DEMO FOR MCP2140
MCP2140A
DS22050B-page 54
2007-2011 Microchip Technology Inc.
FIGURE B-1:
HIGH LEVEL MCP2140A CONNECTION SEQUENCE
Normal Disconnect Mode (NDM)
Send XID Commands
(timeslots n, n+1, ...)
No Response
XID Response in timeslot y,
Finish sending XIDs
(max timeslots - y frames)
Broadcast ID
No Response to these XIDs
claiming this timeslot, (MCP2140A
No Response to Broadcast ID
Primary Device
MCP2140A
Discovery
Normal Response Mode (NRM)
Send SNRM Command
(w/ parameters and
connection address)
Open channel for IAS Queries
Send IAS Queries
Open channel for data
Send Data or Status
Shutdown link
UA response with parameters
using connect address
Confirm channel open for IAS
Provide IAS responses
Confirm channel open for data
Send Data or Status
Confirm shutdown
(back to NDM state)
(approximately 70 ms
between XID commands)
Send Data or Status
(MCP2140A DSR pin driven low)
(Secondary Device)
always claims timeslot 0)
No IR Activity
(for 10 seconds)
PHACT pin driven Low
PHACT pin driven High
No IR Activity
(for 10 seconds)
PHACT pin driven Low
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