1.On-Chip Memory
On-Chip Memory,尤其是RAM盡量設定大一點,不然在使用eclipse時,很容易超出存儲空間,尤其是當你使用了printf函數時
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLiAzNfRHLGZkRGZkRfJ3bs92YsYTMfVmepNHL61keORTU61EeNpHW4Z0MMBjVtJWd0ckW65UbM5WOHJWa5kHT20ESjBjUIF2X0hXZ0xCMx81dvRWYoNHLrdEZwZ1Rh5WNXp1bwNjW1ZUba9VZwlHdssmch1mclRXY39CXldWYtlWPzNXZj9mcw1ycz9WL49zZuBnLzMDO5UTN0EjM1ITOwkTMwIzLc52YucWbp5GZzNmLn9Gbi1yZtl2Lc9CX6MHc0RHaiojIsJye.png)
2. PIO中斷
當使用PIO中斷時,先弄明白自己的中斷是邊沿(上升沿或者是下降沿)觸發還是高低電平觸發。
注意:隻有當設定PIO方向為Bidir、input或者Inout類型時才能有中斷産生。
Edge capture register菜單中,是否勾選Synchronously capture表示是否進行邊沿捕獲,下拉框中有選擇邊沿類型
Enable bit-clearing for edge capture register選項
If the option Enable bit-clearing for edge capture register is turned off, writing any value to the edgecapture register clears all bits in the register. Otherwise, writing a 1 to a particular bit in the register clears only that bit.
即勾選,對應位寫1,則清除edgecapture寄存器對應位,否則寫任何值都會将edgecapture寄存器所有位清零