參數(shù)資料
型號: L64777
英文描述: L64777 DVB QAM Modulator technical manual 6/00
中文描述: L64777的DVB QAM調(diào)制器技術(shù)手冊6 / 00
文件頁數(shù): 104/124頁
文件大?。?/td> 988K
代理商: L64777
A-2
Programming the L64777 in Serial Host Interface Mode
Figure A.1
Quick Overview of the Serial Bus
At the serial interface, data transfers on the SDA pin are synchronized to
a serial clock input on the SCL line. The serial data clock can have a
maximum frequency of 400 kHz. The pins SB_BASE[1:0] input the two
LSB’s of the slave address required by the serial bus protocol. The slave
address definition is shown below:
The bus master always generates the clock and cycle start and stop
conditions. Figure A.2 gives an overview of the read and write cycles
using the serial bus protocol.
7-Bit Slave Address for L64777 Serial Bus
1
1
0
1
0
SB_BASE1 SB_BASE0
SCL
SDA
5 V
Serial Bus Compliant Device
Serial Bus Compliant Device
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L64777 Digital Video Broadcasting(DVB)-Compliant,quadrature amplitude modulation (QAM)Modulator(數(shù)字視頻廣播系統(tǒng)適配的積分調(diào)幅調(diào)制器)
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