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SC16C554_SC16C654_SC16C554B_SC16C654B_ISA
- SC16C554/SC16C654/SC16C554B/SC16C654B ISA 总线硬件接口示例
led
- 简单的led驱动,有利于新手教学,里面使用字符设备注册,还用了class类-The SC16C554B/554DB provides four levels of prioritized interrupts to minimize external software interaction. The Interrupt Status Register (ISR) provides the user with four inte