2812的SPI模块使用可以参考例程包中的spi_loopback_interrupts例程:
http://focus.ti.com.cn/cn/docs/toolsw/folders/print/sprc097.html
ADC不用如下面这样连接:
• VDD1A18/VDD2A18 – Connect to VDD
• VDDA2, VDDAIO – Connect to VDDIO
• VSS1AGND/VSS2AGND, VSSA2, VSSAIO – Connect to VSS
• ADCLO – Connect to VSS
• ADCREFIN – Connect to VSS
• ADCREFP/ADCREFM – Connect a 100-nF cap to VSS
• ADCRESEXT – Connect a 22-kΩ resistor (very loose tolerance) to VSS
• ADCINAn, ADCINBn - Connect to VSS
When the ADC is not being used, disable the clock to the ADC module to save power.
2812的SPI模块使用可以参考例程包中的spi_loopback_interrupts例程:
http://focus.ti.com.cn/cn/docs/toolsw/folders/print/sprc097.html
ADC不用如下面这样连接:
• VDD1A18/VDD2A18 – Connect to VDD
• VDDA2, VDDAIO – Connect to VDDIO
• VSS1AGND/VSS2AGND, VSSA2, VSSAIO – Connect to VSS
• ADCLO – Connect to VSS
• ADCREFIN – Connect to VSS
• ADCREFP/ADCREFM – Connect a 100-nF cap to VSS
• ADCRESEXT – Connect a 22-kΩ resistor (very loose tolerance) to VSS
• ADCINAn, ADCINBn - Connect to VSS
When the ADC is not being used, disable the clock to the ADC module to save power.
举报