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參數(shù)資料
| 型號(hào)： | MCP2150DM |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 2/52頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD DEMO FOR MCP2150 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 接口，IrDA |
| 嵌入式： | 是，MCU，8 位 |
| 已用 IC / 零件： | MCP2150 |
| 主要屬性： | 帶 PIC18F MCU 的 IrDA 控制器 |
| 次要屬性： | USB 接口 |
| 已供物品： | 板 |
| 產(chǎn)品目錄頁面： | 685 (CN2011-ZH PDF) |
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MCP2150
DS21655B-page 10
Preliminary
2002 Microchip Technology Inc.
2.8
Minimizing Power
The device can be placed in a low power mode by dis-
abling the device (holding the EN pin at the low state).
The internal state machine is monitoring this pin for a
low level and, once this is detected, the device is
disabled and enters into a low power state.
2.8.1
RETURNING TO DEVICE
OPERATION
When disabled, the device is in a low power state.
When the EN pin is brought to a high level, the device
will return to the operating mode. The device requires
a delay of 1024 TOSC before data may be transmitted
or received.
2.9
Network Layering Reference
Model
Figure 2-5 shows the ISO Network Layering Reference
Model. The shaded areas are implemented by the
MCP2150, the cross-hatched area is implemented by
an infrared transceiver. The unshaded areas should be
implemented by the Host Controller.
FIGURE 2-5:
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 MCP2150
Has to be implemented in Host
Controller firmware
Regions implemented
by the Optical Transceiver logic
(such as a PICmicro
microcontroller)
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