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EM250
The EM250 integrates hardware support for a Packet Trace module, which allows robust packet-based debug.
This element is a critical component of Ember Desktop, the Ember software IDE, providing advanced network
debug capability when coupled with the Ember Debug Adapter (ISA).
The EM250 integrates a 16-bit XAP2b microprocessor developed by Cambridge Consultants Ltd. This power-
efficient, industry-proven core provides the appropriate level of processing power to meet the needs of
ZigBee applications. In addition, 128kB of Flash and 5kB of SRAM comprise the program and data memory
elements, respectively. The EM250 employs a configurable memory protection scheme usually found on larger
microcontrollers. In addition, the SIF module provides a non-intrusive programming and debug interface
allowing for real-time application debugging.
The EM250 contains 17 GPIO pins shared with other peripheral (or alternate) functions. Flexible routing within
the EM250 lets external devices utilize the alternate functions on a variety of different GPIOs. The integrated
Serial Controller SC1 can be configured for SPI (master-only), I 2 C (master-only), or UART functionality, and the
Serial Controller SC2 can be configured for SPI (master or slave) or I 2 C (master-only) operation.
The EM250 has an ADC integrated which can sample analog signals from four GPIO pins single-ended or
differentially. In addition, the unregulated voltage supply VDD_PADS, regulated supply VDD_PADSA, voltage
reference VREF, and GND can be sampled. The integrated voltage reference VREF for the ADC can be made
available to external circuitry.
The integrated voltage regulator generates a regulated 1.8V reference voltage from an unregulated supply
voltage. This voltage is decoupled and routed externally to supply the 1.8V to the core logic. In addition, an
integrated POR module allows for the proper cold start of the EM250.
The EM250 contains one high-frequency (24MHz) crystal oscillator and, for low-power operation, a second low-
frequency oscillator (either an internal 10kHz RC oscillator or an external 32.768kHz crystal oscillator).
The EM250 contains two power domains. The always-powered High Voltage Supply is used for powering the
GPIO pads and critical chip functions. The rest of the chip is powered by a regulated Low Voltage Supply which
can be disabled during deep sleep to reduce the power consumption.
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120-0082-000V Rev 1.1
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相关代理商/技术参数
EM250-COMP-XIDE
制造商:Silicon Laboratories Inc 功能描述:COMPILER XIDE FOR EM250 1SEAT
EM250-DEV
功能描述:KIT DEV FOR EM250 RoHS:否 类别:RF/IF 和 RFID >> RF 评估和开发套件，板 系列:InSight 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
EM250-EK-R
功能描述:KIT EVAL EM250 RF TEST RoHS:是 类别:RF/IF 和 RFID >> 过时/停产零件编号 系列:InSight 标准包装:1 系列:- 类型:用于 200/300 系列的欧盟开发套件 适用于相关产品:Zensys RF 模块 所含物品:开发板，模块，编程器，软件，线缆，电源 其它名称:703-1019Q3225667
EM250-JMP-R
功能描述:KIT JUMP START FOR EM250 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
EM250-RCM-R
功能描述:EM250 RCM BOARD RoHS:是 类别:RF/IF 和 RFID >> RF 评估和开发套件，板 系列:- 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
EM250-RTR
功能描述:IC ZIGBEE SYSTEM-ON-CHIP 48-QFN RoHS:是 类别:RF/IF 和 RFID >> RF 收发器 系列:EM250 产品培训模块:Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program 标准包装:30 系列:- 频率:4.9GHz ~ 5.9GHz 数据传输率 - 最大:54Mbps 调制或协议:* 应用:* 功率 - 输出:-3dBm 灵敏度:- 电源电压:2.7 V ~ 3.6 V 电流 - 接收:* 电流 - 传输:* 数据接口:PCB，表面贴装 存储容量:- 天线连接器:PCB，表面贴装 工作温度:-25°C ~ 85°C 封装/外壳:68-TQFN 裸露焊盘 包装:管件
EM250-STACK-R
制造商:Silicon Laboratories Inc 功能描述:EM250 BOARD STACK (RCM + BREAKOUT) - Boxed Product (Development Kits) 制造商:Silicon Laboratories Inc 功能描述:BOARD STACK EM250 RCM & BREAKOUT
EM25-12V-DC
制造商:ECLIPSE MAGNETICS 功能描述:HOLDING ELECTRO MAGNET