参数资料
型号: MCP2140A-I/SS
厂商: Microchip Technology
文件页数: 51/66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
2007-2011 Microchip Technology Inc.
DS22050B-page 55
MCP2140A
APPENDIX C: NETWORK
LAYERING
REFERENCE MODEL
Figure C-1 shows the ISO Network Layering Refer-
ence Model. The shaded areas are implemented by the
MCP2140A, while the cross-hatched area is imple-
mented by an infrared transceiver. The unshaded
areas should be implemented by the host controller.
FIGURE C-1:
ISO REFERENCE LAYER MODEL
OSI REFERENCE LAYERS
Application
Presentation
Session
Transport
Network
Data Link Layer
LLC (Logical Link Control)
Acceptance Filtering
Overload Notification
Recovery Management
MAC (Medium Access Control)
Data Encapsulation/Decapsulation
Frame Coding (stuffing, destuffing)
Medium Access Management
Error Detection
Error Signalling
Acknowledgment
Serialization/Deserialization
Physical Layer
PLS (Physical Signalling)
Bit Encoding/Decoding
Bit Timing
Synchronization
PMA (Physical Medium Attachment)
Driver/Receiver Characteristics
MDI (Medium Dependent Interface)
Connectors
Fault
confinement
(MAC-LME)
Bus Failure
management
(PLS-LME)
Supervisor
Regions implemented
by the MCP2140A
Has to be implemented in host
controller firmware
Regions implemented
by the optical transceiver logic
(such as a PIC microcontroller
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