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ATMEGA48PA-AU 参数 Datasheet PDF下载

ATMEGA48PA-AU图片预览
型号: ATMEGA48PA-AU
PDF下载: 下载PDF文件 查看货源
内容描述: 8位微控制器与4/8/ 16 / 32K字节的系统内可编程闪存 [8-bit Microcontroller with 4/8/16/32K Bytes In-System Programmable Flash]
分类和应用: 闪存微控制器和处理器外围集成电路时钟
文件页数/大小: 448 页 / 12817 K
品牌: ATMEL [ ATMEL ]
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ATmega48PA/88PA/168PA/328P  
Figure 18-3. SPI Transfer Format with CPHA = 0  
SCK (CPOL = 0)  
mode 0  
SCK (CPOL = 1)  
mode 2  
SAMPLE I  
MOSI/MISO  
CHANGE 0  
MOSI PIN  
CHANGE 0  
MISO PIN  
SS  
MSB first (DORD = 0) MSB  
LSB first (DORD = 1) LSB  
Bit 6  
Bit 1  
Bit 5  
Bit 2  
Bit 4  
Bit 3  
Bit 3  
Bit 4  
Bit 2  
Bit 5  
Bit 1  
Bit 6  
LSB  
MSB  
Figure 18-4. SPI Transfer Format with CPHA = 1  
SCK (CPOL = 0)  
mode 1  
SCK (CPOL = 1)  
mode 3  
SAMPLE I  
MOSI/MISO  
CHANGE 0  
MOSI PIN  
CHANGE 0  
MISO PIN  
SS  
MSB first (DORD = 0)  
LSB first (DORD = 1)  
MSB  
LSB  
Bit 6  
Bit 1  
Bit 5  
Bit 2  
Bit 4  
Bit 3  
Bit 3  
Bit 4  
Bit 2  
Bit 5  
Bit 1  
Bit 6  
LSB  
MSB  
172  
8161D–AVR–10/09  
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