2812有三个独立的外部可屏蔽中断XINT1,XINT2,XINT13和一个不可屏蔽中断XNMI，外部扩展可屏蔽中断通过CPLD之后，通过按键产生一外部中断EXINT5。-2812 has three independent external maskable interrupt XINT1, XINT2, XINT13 and a non-maskable interrupt XNMI, external expansion through the CPLD can be screened a

DSP2812关于轰鸣器的程序，但是是2812和CPLD之和的程序-DSP2812 device on the roar of the procedure, but it is the sum of 2812 and the program CPLD

LED与CPLD直接相连，通过CPLD为此8个LED分配一个地址0x2003，2812可以通过总线进行控制。-LED and CPLD directly connected through the CPLD to eight LEDs assigned an address 0x2003 2812 can be controlled via the bus .

合众达2812开发板DA例程。2812通过CPLD控制DA输出正弦波-Triangle of 2812 development board DA routines. 2812 DA output sine wave through the CPLD control