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最近在做SPI到CAN的转接板,觉得很迷糊
我不知道MCP2515的SCK与430的SPI接口怎么相连,
SCK与P8.4相连,引脚说明是General-purpose digital I/OUSCI_B1 clock input/output; USCI_A1 SPI slave transmit enableLCD segment output S11
SI与P8.5相连,引脚说明是General-purpose digital I/OUSCI_B1 SPI slave in/master out; USCI_B1 I2C dataLCD segment output S10
然后SO与P8.6相连,引脚说明是General-purpose digital I/OUSCI_B1 SPI slave out/master in; USCI_B1 I2C clockLCD segment output S9,
CS与P8.1相连,引脚说明是General-purpose digital I/OUSCI_B1 SPI slave transmit enable; USCI_A1 clock input/outputLCD segment output S14
不知道这样连对不对,希望高手给予指导,谢谢啊
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