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| 型号： | MC33593FTAE |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 13/28页 |
| 文件大小： | 0K |
| 描述： | IC UHF RCVR 902-928MHZ 24-LQFP |
| 标准包装： | 576 |
| 频率： | 868MHz，915MHz |
| 灵敏度： | -105dBm |
| 数据传输率 - 最大： | 11 kBaud |
| 调制或协议： | FSK，OOK |
| 应用： | 通用数据传输 |
| 电流 - 接收： | 7.8mA |
| 数据接口： | PCB，表面贴装 |
| 天线连接器： | PCB，表面贴装 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 24-LQFP |
| 供应商设备封装： | 24-LQFP（4x4） |
| 包装： | 托盘 |
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Freescale Semiconductor, Inc.
MC33593
STATE MACHINES
AFTER POR RESET STATE MACHINE
There are 3 different modes for the receiver.
Sleep mode corresponds to the low power consumption mode:
- if SOE=0, the whole receiver is shutdown,
- if SOE=1, the strobe oscillator remains active.
Configuration mode is used for writing or reading the internal registers. In this mode, the SPI is slave and the
receiver is enabled. The crystal oscillator is running and generates the clock for the SPI. This implies that before
the circuit is in sleep mode, a delay corresponding to the crystal oscillator wake-up time must be inserted
between the falling edge on RESETB and the start of the transmission on the SPI lines. The local oscillator is
running as well. This means that demodulated data can be read on DMDAT but are not sent by the SPI.
In Run mode , the receiver is enabled (crystal and local oscillators are running). It is either waiting for an RF
telegram or receiving one.
Figure 14 details the state machine after Power On Reset (POR). The state machine is synchronized by a
sampling clock at 615kHz (sampling period Ts=1.6μs), derivated from the crystal oscillator. The transition time
between state 1 and states 2 or 6 is less than 3 × Ts.
After POR, the circuit is in state 0 and configuration registers ’ content is set to the reset value. This enables to
use ROMEO2 in a standalone configuration without any external control.
As long as a low level is applied on RESETB, the circuit stays in state 1 . This configuration mode enables to write
or read the internal registers through the SPI interface.
Figure 14: After POR state machine
Strobe Counter=SR
Power-On Reset
State 0
Sleep mode
SPI disabled
OR STROBE=1
State 0b
Run mode
Raw data on MOSI
SPI disabled
Strobe Counter ≠ SR
AND STROBE=0
RESETB=1
RESETB=0
AND DME=0
State 1
Configuration mode
SPI active and slave
RESETB=1
AND DME=1
RESETB=1
AND DME=1
AND SOE=1
State 2 , see figure 15
AND SOE=0
State 6 , see figure 16
SPI disabled
SPI slave
SPI master
For More Information On This Product,
Go to: www.freescale.com
? Motorola, Inc., 2002.
MOTOROLA SEMICONDUCTORS PRODUCTS
13
revision 7.0, 5 February 2002
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| MC33593FTAER2 | 功能描述:射频接收器 UHF RECEIVER RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
| MC33593MOD868EV | 功能描述:开发板和工具包 - 无线 MC33593 (ROMEO2) RF EVAL RoHS:否 制造商:Arduino 产品:Evaluation Boards 工具用于评估:AT32UC3L 核心:AVR32 频率: 接口类型:USB 工作电源电压:5 V |
| MC33594FTA | 功能描述:射频接收器 315 434 MHz RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
| MC33594FTAE | 功能描述:射频接收器 UHF RECEIVER RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
| MC33594FTAER2 | 功能描述:射频接收器 UHF RECEIVER RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
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