- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄45377 > MJ80C31U-36:D (ATMEL CORP) MICROCONTROLLER PDF資料下載
參數(shù)資料
| 型號： | MJ80C31U-36:D |
| 廠商： | ATMEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | MICROCONTROLLER |
| 文件頁數(shù)： | 60/101頁 |
| 文件大小： | 3398K |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁當(dāng)前第60頁第61頁第62頁第63頁第64頁第65頁第66頁第67頁第68頁第69頁第70頁第71頁第72頁第73頁第74頁第75頁第76頁第77頁第78頁第79頁第80頁第81頁第82頁第83頁第84頁第85頁第86頁第87頁第88頁第89頁第90頁第91頁第92頁第93頁第94頁第95頁第96頁第97頁第98頁第99頁第100頁第101頁
84
8168C-MCU Wireless-02/10
AT86RF212
Table 6-27. Register 0x07 (PHY_ED_LEVEL)
Bit
7
6
5
4
3
2
1
0
Name
ED_LEVEL[7:0]
Read/Write
R
(1)
Reset Value
1
Note:
1. A write access is required for initiation of a manual ED measurement.
Bit 7:0 – ED_LEVEL
The measured ED value has a valid range from 0x00 to 0x54 (0 to 84). The value 0xFF
indicates that a measurement has never been started (reset value).
A manual ED measurement can be initiated by a write access to the register.
6.6 Clear Channel Assessment (CCA)
The main features of the Clear Channel Assessment (CCA) module are:
All four CCA modes are provided as defined in IEEE 802.15.4-2006
Adjustable threshold for energy detection algorithm
6.6.1 Overview
A CCA measurement is used to detect a clear channel. Four CCA modes are specified
by IEEE 802.15.4-2006:
Table 6-28. CCA Mode Overview
CCA Mode
Description
1
Energy above threshold:
CCA shall report a busy medium upon detecting any energy above the ED
threshold.
2
Carrier sense only:
CCA shall report a busy medium only upon the detection of a signal with the
modulation and spreading characteristics of an IEEE 802.15.4 compliant signal.
The signal strength may be above or below the ED threshold.
0, 3
Carrier sense with energy above threshold:
CCA shall report a busy medium using a logical combination of
-
detection of a signal with the modulation and spreading characteristics of
this standard and/or
-
energy above the ED threshold,
where the logical operator may be configured as either OR (mode 0) or AND
(mode 3).
6.6.2 Configuration and Request
The CCA modes are configurable via register 0x08 (PHY_CC_CCA).
When being in Basic Operating Mode, a CCA request can be initiated manually by
setting CCA_REQUEST = 1 (register 0x08, PHY_CC_CCA) if the AT86RF212 is in any
RX state. The current channel status (CCA_STATUS) and the CCA completion status
(CCA_DONE) are accessible through register 0x01 (TRX_STATUS).
The end of a manually initiated CCA (8 symbol periods plus 12 s processing delay) is
indicated by the interrupt IRQ_4 (CCA_ED_DONE).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| R80C52XXX-12SHXXX | 8-BIT, MROM, 12 MHz, MICROCONTROLLER, CQCC44 |
| MQ80C32-12SBR | 8-BIT, 12 MHz, MICROCONTROLLER, CQFP44 |
| IF180C52XXX-36D | 8-BIT, MROM, 36 MHz, MICROCONTROLLER, PQFP44 |
| IV80C32XXX-36 | 8-BIT, 36 MHz, MICROCONTROLLER, PQFP44 |
| IF180C52CXXX-20R | 8-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP44 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MJ-80C32E-30 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Rad. Tolerant 8-bit ROMless Microcontroller |
| MJ-80C32E-30-E | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Rad. Tolerant 8-bit ROMless Microcontroller |
| MJ8100 | 制造商:ASI 功能描述:8100 N11E4C |
| MJ8100R | 制造商:SEME-LAB 制造商全稱:Seme LAB 功能描述:Bipolar PNP Device in a Hermetically sealed TO39 |
| MJ-82-1 | 制造商:SPC Multicomp 功能描述:SOCKET PCB DC POWER 制造商:SPC Multicomp 功能描述:SOCKET, PCB, DC POWER 制造商:SPC Multicomp 功能描述:SOCKET, PCB, DC POWER; Gender:Receptacle; Connector Mounting:PCB; Contact Termination:Through Hole Vertical; Connector Mounting Orientation:PCB; Connector Type:Standard Power Entry ;RoHS Compliant: Yes |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。