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): 8/28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.
DATA MANAGER
This block has five purposes:
- ID detection,
- Header recognition,
- Clock recovery,
- Output data and recovered clock on SPI port,
- End-of-Message detection.
Table 2 details some ROMEO2 features versus the bits DME and SOE values.
Table 2: ROMEO2 features versus DME and SOE
Table 3 details some ROMEO2 features versus DME values.
Table 3: ROMEO2 features versus DME
SPI status
CLOCK GENERATOR
Typical crystal frequency is 13.5775MHz for 868MHz band.
Figure 11: Clock generation diagram
DME
SOE
Timer
ROMEO2
kept in Run mode by
Microcontroller
woken-up by
0
0
External control by
STROBE pin
Internal and external
control by STROBE pin
External control by
STROBE pin
Internal and external
control by STROBE pin
STROBE pin
Raw data
1
1
0
STROBE pin
Message Detection
word
1
ID detection
and STROBE pin
Data clock
DME
Data format
Bitstream
No clock
Data bytes
Recovered clock
Output
MOSI
-
MOSI
SCLK
0
Disabled
1
Master when
RESETB=1
Phase Frequency Detector
XTAL
Reference
÷
64
÷
11
IF Filter Reference Clock
& Clock Recovery
UHF Oscillator
F
Freescale Semiconductor, Inc.
For More Information On This Product,
n
.
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