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STC12C2052 Datasheet(PDF) 67 Page - List of Unclassifed Manufacturers

Part No. STC12C2052
Description  STC12C2052AD
Download  71 Pages
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Manufacturer  ETC1 [List of Unclassifed Manufacturers]
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Logo ETC1 - List of Unclassifed Manufacturers

STC12C2052 Datasheet(HTML) 67 Page - List of Unclassifed Manufacturers

Back Button STC12C2052 Datasheet HTML 63Page - List of Unclassifed Manufacturers STC12C2052 Datasheet HTML 64Page - List of Unclassifed Manufacturers STC12C2052 Datasheet HTML 65Page - List of Unclassifed Manufacturers STC12C2052 Datasheet HTML 66Page - List of Unclassifed Manufacturers STC12C2052 Datasheet HTML 67Page - List of Unclassifed Manufacturers STC12C2052 Datasheet HTML 68Page - List of Unclassifed Manufacturers STC12C2052 Datasheet HTML 69Page - List of Unclassifed Manufacturers STC12C2052 Datasheet HTML 70Page - List of Unclassifed Manufacturers STC12C2052 Datasheet HTML 71Page - List of Unclassifed Manufacturers  
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宏晶科技:www.MCU-Memory.com   Mobile:13922805190(姚永平)   Tel:0755-82948409    Fax: 0755-82944243
宏晶科技:专业单片机 / 存储器供应商   www.MCU-Memory.com   STC12C2052AD 系列 1T 8051 单片机中文指南
67
SPI 时钟预分频器选择
    SPI 时钟预分频器选择是通过 SPCTL 寄存器中的 SPR1-SPR0 位实现的
SS (如果 SSIG 位= 0)
未定义
(1)
时钟周期
SPICLK (CPOL = 0)
SPICLK (CPOL = 1)
MOSI(输入)
DORD = 0
DORD = 1
MSB
LSB
LSB
MSB
DORD = 0
MSB
LSB
DORD = 1
LSB
MSB
MOSI(输出)
(1)
 
SPI  图 5  SPI   从机传输格式(CPHA=1 )
SPICLK (CPOL = 1)
LSB
MSB
LSB
MSB
时钟周期
SPICLK (CPOL = 0)
MOSI(输入)
DORD = 0
DORD = 1
MSB
LSB
DORD = 0
MSB
DORD = 1
LSB
MOSI(输出)
SS (如果 SSIG 位= 0)
 
SPI  图 7  SPI   主机传输格式(CPHA=1 )
 
SPI  图 6  SPI   主机传输格式(CPHA=0 )
LSB
MSB
LSB
MSB
时钟周期
SPICLK (CPOL = 0)
SPICLK (CPOL = 1)
MOSI(输入)
DORD = 0
DORD = 1
MSB
LSB
DORD = 0
MSB
DORD = 1
LSB
MOSI(输出)
SS(如果 SSIG 位= 0)


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