TI 的10位串行dac tlc5615的应用。基于at89s52，通过单片机写控制字进行da转换，参考电压为2.5v，精度为0.01v，在lcd1602上显示当前输出的电压，便于测试。,TI s ten bit serial dac tlc5615 applications. Based on at89s52, through the single-chip write control word to da converter, reference voltage is 2.5v, the accuracy for 0.01v, in lcd1602 show the current voltage output for testing.