AT89S51的并行口P1接4×4矩阵键盘
AT89S51的并行口P1接4×4矩阵键盘,以P1.0-P1.3作输入线,以P1.4-P1.7作输出线;在数码管上显示每个按键的“0-F”序号。...
AT89S51的并行口P1接4×4矩阵键盘,以P1.0-P1.3作输入线,以P1.4-P1.7作输出线;在数码管上显示每个按键的“0-F”序号。...
I2C driver for PIC, PICC compiler - bitbanged. Needs pull-up resistor on SCK and SDA and ports set for open collector...
High volume USB 2.0 devices will be designed using ASIC technology with embedded USB 2.0 support. For full-speed USB devices the operating frequency ...
High volume USB 2.0 devices will be designed using ASIC technology with embedded USB 2.0 support. For full-speed USB devices the operating frequency ...
Besides enhanced looks and advanced features, one of the best things about Swing is its pluggable look and feel (PLAF). PLAF architecture allows seaml...