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参数资料
| 型号： | RC2202MM |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | ZigBee Ready RF Transceiver Modules |
| 中文描述： | 的ZigBee功能的RF收发模块 |
| 文件页数： | 6/17页 |
| 文件大小： | 372K |
| 代理商： | RC2202MM |
Block Diagram
RC220x
2005 Radiocrafts AS
RC220x Data Sheet (rev. 1.0)
Page 6 of 17
IEEE 802.15.4
MAC
8-bit MCU
IEEE 802.15.4
RF Transceiver
ZigBee
TM
Network
User
Application
Integrated
antenna
or
RF connector
(optional)
Digital/Analogue I/O
UART interface
SPI interface
2.7-3.6 V
Embedded resources
MCU: Atmel mega128L, mega64L or mega325
PHY/MAC: Chipcon CC2420
Chipcon / Figure 8 Wireless Z-stack royalty fee included
Circuit Description
The module contains a micro controller unit (MCU) and an IEEE 802.14.4 compliant RF
transceiver with internal voltage regulator. The module is intended for running the ZigBee
network protocol.
The application software together with the ZigBee protocol software stack can be
programmed in Flash memory through JTAG or ISP interfaces. The JTAG interface can also
be used for debugging. The MCU runs at 8 MHz and contains on-chip RAM and non-volatile
EEPROM memory.
The MCU controls the RF transceiver through an SPI interface and hardware handshake
signals. The firmware controlling the RF transceiver is part of the MAC software. The antenna
output is internally matched to 50 Ohms, optionally using an integrated antenna.
The supply voltage is connected to the VCC pin. The module contains an internal low noise
voltage regulator for the RF transceiver, and can therefore operate over a wide supply voltage
range. The regulated voltage is available at the 1.8V pin (pin 29), but should not be used to
supply external circuits except for connection to AREF, being a reference for the internal A/D
converter.
The module provides 2 UART interfaces, SPI interface, JTAG interface. Totally 32 I/O pins
are available to the user. 8 pins can be used for the internal 10 bit A/D converter. 6 of the
digital I/Os have interrupt features.
The MCU provides several low power modes with can be utilized to reduce the current
consumption in battery operated applications. An internal 32 kHz crystal oscillator can be
used for real-time clock and timer applications.
For further details on the RF transceiver (Chipcon CC2420) and MCU (Atmel mega128L,
mega64L or mega325), please consult the respective data sheets.
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