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参数资料
| 型号： | AT86RF230-ZU |
| 厂商： | ATMEL CORP |
| 元件分类： | 网络接口 |
| 英文描述： | ZigBee/IEEE 802.15.4-Transceiver |
| 中文描述： | DATACOM, INTERFACE CIRCUIT, PQCC32 |
| 封装： | 5 X 5 MM, 0.50 MM PITCH, GREEN, PLASTIC, MO-220VHHD-6, QFN-32 |
| 文件页数： | 29/50页 |
| 文件大小： | 445K |
| 代理商： | AT86RF230-ZU |
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29
AT86RF230
5131A-ZIGB-06/14/06
CLKM
SEL
SCLK
MOSI
MISO
IRQ
SLP_TR
COMMAND
FRAME LENGTH
FRAME DATA 1
FRAME DATA 2
FRAME DATA 3
FRAME DATA n
XX
XX
XX
XX
XX
XX
Frame_download
Transmit Start
Figure 7-11.
Frame Transmit Sequence (SLP_TR Assertion Starts Transmission)
7.6. Sleep/Wake-up and Transmit Signal
The SLP_TR signal is a multi-functional pin. It can be used as transmit start or as a sleep signal. The function of
the pin depends on the transceiver status.
Transceiver Status
Pin Function
Description
TRX_OFF
Sleep
Forces the transceiver into SLEEP mode
RX_ON
Disable CLKM
Forces the transceiver into RX_ON_NOCLOCK state and disables CLKM
PLL_ON
TX start
Start frame transmission
TX_ARET_ON
TX start
Start of frame retry
RX_AACK_ON
TX start
Start of frame acknowledge
Table 7-2.
SLP_TR Multi-functional Pin States
The pin has no function if the transceiver is in other modes.
If used as a sleep signal, releasing the pin SLP_TR = 0 forces the transceiver into TRX_OFF mode and enables
the main clock. If used as a transmit start signal, the low-to-high edge starts the transmission of a frame stored in
the frame buffer.
From the application point of view, there are two possible power-down scenarios supported by the AT86RF230.
Either both the controller and the AT86RF230 are powered down, or the AT86RF230 listens for an incoming frame
and only the controller is powered down.
The first power-down scenario is shown in
Figure 7-12
. The controller forces the AT86RF230 to SLEEP mode by
setting SLP_TR to “1” when the transceiver is in TRX_OFF mode. The main clock at pin CLKM will be switched off
after 35 clock cycles. This enables the controller to complete its power-down routine and prevent dead-lock
situations. The AT86RF230 will awaken when the controller releases the pin SLP_TR. This concept provides the
lowest possible power consumption.
If an incoming frame is expected and no other application is running on the controller, the controller itself can be
powered down without the risk of missing an incoming frame. This scenario is shown in
Figure 7-13
. In RX_ON
state, the CLKM pin will switched off after 35 clock cycles when the pin SLP_TR is set to “1”. The start of a frame
reception will be signaled by an RX_START IRQ and the clock will be switched on again.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AT86RF230-ZU SL176 | 制造商:Atmel Corporation 功能描述: |
| AT86RF230-ZUR | 功能描述:射频收发器 2.4 GHZ ZigBee Transceiver RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray |
| AT86RF231 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Low power 2.4 GHz Transceiver for ZigBee, IEEE 802.15.4, and ISM Applications |
| AT86RF231-ZF | 功能描述:射频收发器 2.4GHZ ZigBee Transceiver RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray |
| AT86RF231-ZFR | 功能描述:射频收发器 2.4GHZ ZigBee Transceiver RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray |
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