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参数资料
| 型号： | EM260-RTY |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 17/50页 |
| 文件大小： | 0K |
| 描述： | IC ZIGBEE SYSTEM-ON-CHIP 40-QFN |
| 标准包装： | 429 |
| 频率： | 2.4GHz |
| 数据传输率 - 最大： | 250kbps |
| 调制或协议： | 802.15.4 |
| 应用： | ZigBee? |
| 功率 - 输出： | -32dBm ~ 3dBm |
| 灵敏度： | -97dBm |
| 电源电压： | 2.1 V ~ 3.6 V |
| 电流 - 接收： | 30mA |
| 电流 - 传输： | 34mA |
| 数据接口： | PCB，表面贴装 |
| 天线连接器： | PCB，表面贴装 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 40-VFQFN 裸露焊盘 |
| 包装： | 托盘 |
| 其它名称： | 636-1003 |
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EM260
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Automatic acknowledgement transmission
Automatic transmission of packets from memory
Automatic transmission after backoff time if channel is clear (CCA)
Automatic acknowledgement checking
Time stamping of received and transmitted messages
Attaching packet information to received packets (LQI, RSSI, gain, time stamp, and packet status)
IEEE 802.15.4-2003 timing and slotted/unslotted timing
4.4
4.5
4.6
Packet Trace Interface (PTI)
The EM260 integrates a true PHY-level PTI for effective network-level debugging. This two-signal interface
monitors all the PHY TX and RX packets (in a non-intrusive manner) between the MAC and baseband modules.
It is an asynchronous 500kbps interface and cannot be used to inject packets into the PHY/MAC interface. The
two signals from the EM260 are the frame signal (PTI_EN) and the data signal (PTI_DATA). The PTI is supported
by Ember Desktop.
XAP2b Microprocessor
The EM260 integrates the XAP2b microprocessor developed by Cambridge Consultants Ltd., making it a true
network processor solution. The XAP2b is a 16-bit Harvard architecture processor with separate program and
data address spaces. The word width is 16 bits for both the program and data sides.
The standard XAP2 microprocessor and accompanying software tools have been enhanced to create the XAP2b
microprocessor used in the EM260. The XAP2b adds data-side byte addressing support to the XAP2 allowing for
more productive usage of RAM and optimized code.
The XAP2b clock speed is 12MHz. When used with the EmberZNet PRO stack, firmware may be loaded into
Flash memory using the SIF mechanism (described in section 7) or over the air or by a serial link using a built-
in bootloader 1 in a reserved area of the Flash. Alternatively, firmware may be loaded via the SIF interface
with the assistance of RAM-based utility routines also loaded via SIF.
Embedded Memory
The EM260 contains embedded Flash and RAM memory for firmware storage and execution. In addition it
partitions a portion of the Flash for Simulated EEPROM and token storage.
4.6.1
Simulated EEPROM
The EmberZNet PRO stack reserves a section of Flash memory to provide Simulated EEPROM storage area for
stack and customer tokens. The Flash cell has been qualified for a data retention time of >100 years at room
temperature and is rated to have a guaranteed 1,000 write/erase cycles. Because the Flash cells are qualified
for up to 1,000 write cycles, the Simulated EEPROM implements an effective wear-leveling algorithm which
effectively extends the number of write cycles for individual tokens.
The number of set-token operations is finite due to the write cycle limitation of the Flash. It is not possible to
guarantee an exact number of set-token operations because the life of the Simulated EEPROM depends on
which tokens are written and how often.
The EM260 stores non-volatile information necessary for network operation as well as 8 tokens available to the
Host (see document UG100, EZSP Reference Guide ). The majority of internal tokens is only written when the
EM260 performs a network join or leave operation. As a simple ballpark estimate of possible set-token
1
See document UG103.6, Ember Application Development Fundamentals: Bootloading , for more information
on the bootloader.
Page 17
120-0260-000M Rev 1.1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EM260-USART-JMP-R | 功能描述:KIT JUMP START FOR EM260 RoHS:否 类别:RF/IF 和 RFID >> RF 评估和开发套件，板 系列:JumpStart 标准包装:1 系列:- 类型:GPS 接收器 频率:1575MHz 适用于相关产品:- 已供物品:模块 其它名称:SER3796 |
| EM2630-12# | 制造商:Fluke Electronics 功能描述:BNC (F) TO ALLIGATOR CLIPS 12 INCHES 制造商:Pomona Electronics 功能描述: |
| EM-26392-C36 | 功能描述:麦克风 3.61 X 3.61 X 2.21MM -51 SENS, 12SL PORT RoHS:否 制造商:Knowles Acoustics 方向性:Omnidirectional 阻抗:4.4 K Ohms 工作电压:0.9 V to 10 V 灵敏度:- 53 dB 端接类型:Wire Leads 长度:5.56 mm 宽度:3.98 mm 深度:2.21 mm |
| EM-26596-C36 | 功能描述:麦克风 3.61 X 3.61 X 2.21MM -52 SENS, 12B PORT RoHS:否 制造商:Knowles Acoustics 方向性:Omnidirectional 阻抗:4.4 K Ohms 工作电压:0.9 V to 10 V 灵敏度:- 53 dB 端接类型:Wire Leads 长度:5.56 mm 宽度:3.98 mm 深度:2.21 mm |
| EM-26596-D58 | 功能描述:麦克风 3.61 X 3.61 X 2.21MM -52 SENS, 12B PORT RoHS:否 制造商:Knowles Acoustics 方向性:Omnidirectional 阻抗:4.4 K Ohms 工作电压:0.9 V to 10 V 灵敏度:- 53 dB 端接类型:Wire Leads 长度:5.56 mm 宽度:3.98 mm 深度:2.21 mm |
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