参数资料
型号: MC33591FTAER2
厂商: Freescale Semiconductor
文件页数: 14/28页
文件大小: 0K
描述: IC RF RECEIVER 315 434MHZ 24LQFP
标准包装: 2,000
频率: 315MHz,434MHz
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: 5.7mA
数据接口: PCB,表面贴装
天线连接器: PCB,表面贴装
电源电压: 1.9 V ~ 3.6 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: 带卷 (TR)
Freescale Semiconductor, Inc.
STATE MACHINES
STATE MACHINE WITH STROBE OSCILLATOR CONTROL
Figure 15 details the state machine when the strobe oscillator is enabled (SOE=1).
Figure 15: State machine with strobe oscillator control
State 2
Sleep mode
Reset and Start Strobe Counter
SPI master
Strobe Counter=SR
OR STROBE=1
State 3
Run mode
Waiting for ID word
ID detected
AND HE=1
Strobe Counter 1 SR
AND STROBE pin released
ID detected
AND HE=0
Time-out
State 4
Run mode
Reset and start Timer
Waiting for Header
Header received
State 5
Run mode
Output data & clock
Waiting for End of Message
EOM received
State 2:
The circuit is in Sleep mode, except for the Strobe oscillator and the Strobe counter.
State 3:
The circuit is waiting for a valid ID word. If ID or its complement is detected, the state machine advances to state
4. If not, it will go back into sleep mode (state 2) at the end of the Strobe period.
State 4:
ID or its complement has been detected, Data Manager is waiting for Header or its complement. Time-out
counter is running. This counter will count up to 66 ( ± 1) times the strobe oscillator period (T Strobe ).
State 5:
If Header has been received, data and clock signals are output on the SPI port until End of Message indicates the
data sequence end. If the complement of Header has been received, output data are complemented too.
For all states:
At any time, a low level applied on RESETB during more than one Ts forces the state machine to state 1. When
14
MC33591 Technical Data
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA
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