lpcware

LPC1754求助

Discussion created by lpcware Employee on Jun 15, 2016
Latest reply on Jun 15, 2016 by lpcware
Content originally posted in LPCWare by SZ13039 on Thu Dec 06 21:52:21 CST 2012
项目需要至少6个AD和4个串口。目前选型芯片为LPC1754。但1754这个芯片,根据数据手册,两路AD和串口功能复用,无法满足,也就是最多4个AD和4个串口或者6路AD和3个串口。麻烦确认一下该问题,或者有其他型号推荐。
项目必须:PIN脚备注:
AD部分P0.2/TXD0/AD0.779
P0.3/RXD0/AD0.680
P0.25/AD0.2/I2SRX_SDA/TXD37
P0.26/AD0.3/AOUT/RXD36
P1.30/VBUS/AD0.418
P1.31/SCK1/AD0.517
I2C部分P0.27/SDA0/USB_SDA25
P0.28/SCL0/USB_SCL24
串口部分P0.15/TXD1/SCK0/SCK47
P0.16/RXD1/SSEL0/SSEL48
P2.8/TD2/TXD2/ENET_MDC50
P2.9/USB_CONNECT/RXD2/ENET_MDIO49
P4.29/TX_MCLK/MAT2.1/RXD368
P4.28/RX_MCLK/MAT2.0/TXD365


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