【求助】请教一个IIC的问题... 版主给点力啊

[lpcware]

Content originally posted in LPCWare by free_soul on Thu Dec 06 01:49:01 CST 2012
用两片LPC11U14 一个做IIC主机，一个做IIC从机。就是把两个SCL SDA对接，用到官方的例程。求调通的关键 ，要改哪些 ，地址我改过了。求破啊

[lpcware]

Content originally posted in LPCWare by G1 on Thu Dec 06 02:52:09 CST 2012
还是接一下上拉吧。万一不小心IO的上拉也忘记了使能，那就悲剧了。

[lpcware]

Content originally posted in LPCWare by free_soul on Thu Dec 06 02:41:39 CST 2012
两片对接 要不要加上拉电阻