The aim of this application note is to show to scan the 4x4 matrix keypad multiplexed with a four 7-segment display. The software attached to this application note scans the pressed key and displays it on the multiplexed 7- segment LEDs. Thi

基于ST公司的str710芯片的DV710开发板。通过按动K1、K2、K3分别点亮三3个通用LED指示灯。按键松开时相应LED熄灭。-based company str710 chip DV710 Development Board. By pressing the K1, K2, K3 were lit three three generic LED indicator. Keys splayed out at the corresponding LED.

基于ST公司的STR710芯片的DV710开发板。程序演示了一个USB鼠标的应用。 运行时用USB线连接开发板与PC机，PC将自动识别出设备类型并准备驱动。当一切配置完成后（此时L3会亮起），可以用板上的按键来模拟鼠标动作（K1 左，K2 上，K3 下，K4 右，K5 鼠标左键，K2与K3同时按下 鼠标右键）。 -based company STR710 chip DV710 Development Bo

基于ST公司的STR710芯片的DV710开发板。程序从ADC0采样数据，并将原是数据显示在LCD上。 可以通过调节板上ADC0的电位器来观察读数的变化。 -based company STR710 chip DV710 Development Board. ADC0 sampling procedures from the data, and data used to show on the LCD. By controlling the boards ADC0 the potenti