參數(shù)資料
型號: MC33593FTA
廠商: MOTOROLA INC
元件分類: 消費家電
英文描述: PLL Tuned UHF Receiver for Data Transfer Applications
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP24
封裝: PLASTIC, LQFP-24
文件頁數(shù): 15/28頁
文件大?。?/td> 681K
代理商: MC33593FTA
N
Go to: www.freescale.com
revision 7.0, 5 February 2002
Motorola, Inc., 2002.
STATE MACHINE WITH STROBE PIN CONTROL
Figure 16 details the state machine when the strobe oscillator is disabled (SOE=0).
Figure 16: State machine with STROBE pin control
State 6:
Programming SOE=0 sets ROMEO2 to state 6. The circuit is in Sleep mode.
State 7:
A high level applied on STROBE sets the circuit into state 7. If an ID or its complement is detected, the state
machine advances to state 8. If not, it will stay in state 7 as long as STROBE is high.
State 8:
After ID or its complement detection, ID byte is sent to the microcontroller on MOSI line at 310kBd. This warns
the microcontroller that data are received which means that an high level has to be maintained on STROBE. At
any time a low level applied on STROBE sets the circuit into state 6.
State 7
Run mode
Waiting for ID word
State 8
Run mode
Send an ID word
ID detected
State 10
Run mode
Output data & clock
State 6
Sleep mode
STROBE=0
STROBE=0
STROBE=0
STROBE=1
SPI master
State 9
Run mode
Waiting for Header
HE=1
HE=0
Header received
STROBE=0
State 11
Run mode
Output data
EOM received
STROBE=0
F
Freescale Semiconductor, Inc.
For More Information On This Product,
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