现象：按一下 KEY1，LED2 的状态改变一次
使用了 PIO 的边沿中断
由于只有按下防消抖，没有松手消抖，所以按下的时间要短才能表现正常
KEY1 是复位按键
基于CYCLONE4E FPGA开发板设计硬件 原理图+PCB+AD集成封装库+quartus 工程verilog源码(14例)
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基于CYCLONE4E FPGA开发板设计硬件 原理图+PCB+AD集成封装库+quartus 工程verilog源码(14例) （2000个子文件） 
w5200.c 30KB W5200.c 26KB altera_avalon_epcs_flash_controller.c 16KB alt_log_printf.c 15KB alt_log_printf.c 15KB alt_log_printf.c 15KB alt_log_printf.c 15KB alt_log_printf.c 15KB alt_log_printf.c 15KB alt_log_printf.c 15KB alt_log_printf.c 15KB alt_log_printf.c 15KB alt_log_printf.c 15KB alt_log_printf.c 15KB alt_log_printf.c 15KB alt_log_printf.c 15KB SDcard.c 14KB socket.c 12KB altera_avalon_uart_init.c 11KB altera_avalon_jtag_uart_init.c 10KB altera_avalon_jtag_uart_init.c 10KB altera_avalon_jtag_uart_init.c 10KB altera_avalon_jtag_uart_init.c 10KB altera_avalon_jtag_uart_init.c 10KB altera_avalon_jtag_uart_init.c 10KB altera_avalon_jtag_uart_init.c 10KB altera_avalon_jtag_uart_init.c 10KB altera_avalon_jtag_uart_init.c 10KB altera_avalon_jtag_uart_init.c 10KB altera_avalon_jtag_uart_init.c 10KB altera_avalon_jtag_uart_init.c 10KB altera_avalon_jtag_uart_init.c 10KB alt_gmon.c 9KB alt_gmon.c 9KB alt_gmon.c 9KB alt_gmon.c 9KB alt_gmon.c 9KB alt_gmon.c 9KB alt_gmon.c 9KB alt_gmon.c 9KB alt_gmon.c 9KB alt_gmon.c 9KB alt_gmon.c 9KB alt_gmon.c 9KB alt_gmon.c 9KB alt_instruction_exception_entry.c 9KB alt_instruction_exception_entry.c 9KB alt_instruction_exception_entry.c 9KB alt_instruction_exception_entry.c 9KB alt_instruction_exception_entry.c 9KB alt_instruction_exception_entry.c 9KB alt_instruction_exception_entry.c 9KB alt_instruction_exception_entry.c 9KB alt_instruction_exception_entry.c 9KB alt_instruction_exception_entry.c 9KB alt_instruction_exception_entry.c 9KB alt_instruction_exception_entry.c 9KB loopback.c 9KB altera_avalon_uart_read.c 9KB altera_avalon_uart_write.c 8KB altera_avalon_jtag_uart_write.c 8KB altera_avalon_jtag_uart_write.c 8KB altera_avalon_jtag_uart_write.c 8KB altera_avalon_jtag_uart_write.c 8KB altera_avalon_jtag_uart_write.c 8KB altera_avalon_jtag_uart_write.c 8KB altera_avalon_jtag_uart_write.c 8KB altera_avalon_jtag_uart_write.c 8KB altera_avalon_jtag_uart_write.c 8KB altera_avalon_jtag_uart_write.c 8KB altera_avalon_jtag_uart_write.c 8KB altera_avalon_jtag_uart_write.c 8KB altera_avalon_jtag_uart_write.c 8KB epcs_commands.c 8KB altera_avalon_jtag_uart_read.c 7KB altera_avalon_jtag_uart_read.c 7KB altera_avalon_jtag_uart_read.c 7KB altera_avalon_jtag_uart_read.c 7KB altera_avalon_jtag_uart_read.c 7KB altera_avalon_jtag_uart_read.c 7KB altera_avalon_jtag_uart_read.c 7KB altera_avalon_jtag_uart_read.c 7KB altera_avalon_jtag_uart_read.c 7KB altera_avalon_jtag_uart_read.c 7KB altera_avalon_jtag_uart_read.c 7KB altera_avalon_jtag_uart_read.c 7KB altera_avalon_jtag_uart_read.c 7KB alt_irq_handler.c 6KB alt_irq_handler.c 6KB alt_irq_handler.c 6KB alt_irq_handler.c 6KB alt_irq_handler.c 6KB alt_irq_handler.c 6KB alt_irq_handler.c 6KB alt_irq_handler.c 6KB alt_irq_handler.c 6KB alt_irq_handler.c 6KB alt_irq_handler.c 6KB alt_irq_handler.c 6KB alt_irq_handler.c 6KB共 2000 条
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