参数资料
型号: ATMEGA64RZAPV-10AU
厂商: Atmel
文件页数: 5/21页
文件大小: 0K
描述: BUNDLE ATMEGA644P/AT86RF230 TQFP
产品培训模块: megaAVR Introduction
Introduction to ZigBee Low Power Wireless Networks
标准包装: 1
系列: ATMEGA
频率: 2.4GHz
调制或协议: 802.15.4 Zigbee
功率 - 输出: 3dBm
灵敏度: -101dBm
电源电压: 1.8 V ~ 3.6 V
数据接口: PCB,表面贴装
存储容量: 64kB 闪存,2kB EEPROM,4kB RAM
天线连接器: PCB,表面贴装
封装/外壳: 44-TQFP
包装: 托盘
产品目录页面: 553 (CN2011-ZH PDF)
配用: ATSTK600-TQFP32-ND - STK600 SOCKET/ADAPTER 32-TQFP
ATAVRISP2-ND - PROGRAMMER AVR IN SYSTEM
ATJTAGICE2-ND - AVR ON-CHIP D-BUG SYSTEM
ATSTK500-ND - PROGRAMMER AVR STARTER KIT
AVR414
transceiver to the AVR microcontroller. Only a few of the available pins are used to
control the radio transceiver. The reminder of this subsection describes the interface
necessary to control the radio transceiver.
Figure 3-4 Expansion Connector 1 Pin-out
3.4.1 SPI Lines
The SPI is used to program control registers as well as to transfer data frames
between the AVR and the AT86RF230. Each access is initiated with the SPI master
(AVR) pulling the slave select (SS/SEL) line low. Both master and slave (AT86RF230)
will now prepare the data to be sent, and the master generates the necessary clock
pulses on the SCLK line to interchange the data. Data is always transferred from
master to slave on the Master Out – Slave In, MOSI line, and from slave to master on
the Master In – Slave Out, MISO line. When a packet has been transmitted, the
master will pull high the slave select line to synchronize the slave.
3.4.2 IRQ Line
The AT86RF230 has six different interrupts defined. However, all these interrupt
signals are combined internally via a logical “OR” operation to one external interrupt
line. An interrupt is indicated to the AVR microcontroller whenever the IRQ line is
pulled high (logical 1). The controller must poll the AT86RF230 to determine the
interrupt source and to clear the IRQ line.
3.4.3 SLP_TR Line
The SLP_TR signal is a multi-functional pin. It can be used as either a transmit start
or a sleep signal. Pin functionality is dependant upon the transceiver’s internal state.
Please consult the datasheet of the AT86RF230 for more information.
5
8051A-AVR-11/06
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