标题: Port S 寄存器求解释 [打印本页] 作者: oyingzi007 时间: 2010-7-17 18:24 标题: Port S 寄存器求解释 Port S Wired-Or Mode Register
Port S wired-or mode—Enable open-drain functionality on output pin
This bit configures an output pin as wired-or (open-drain) or push-pull. In wired-or mode a logic “0” is driven active
low while a logic “1” remains undriven. This allows a multipoint connection of several serial modules. The bit has no
influence on pins used as input.
1 Output buffer operates as open-drain output.
0 Output buffer operates as push-pull output.作者: oyingzi007 时间: 2010-7-17 18:24
Port S Wired-Or Mode Register
请问这个寄存器是用来干什么作用的作者: oyingzi007 时间: 2010-7-17 18:24
Port S Wired-Or Mode Register
请问这个寄存器是用来干什么作用的