Introduction - If you have any usage issues, please Google them yourself
SIGMA-DELTA principle achieved using the LPC900 Series compared to 16-bit A/D. A detailed description and the source code (the compilation format, but in the C KEIL Calling).
Packet : 528384lpc_16bit_ad.rar filelist
SD_ADC.ASM
LPC微控制器实现低成本ADC.PDF