The utility model discloses a power communication access network moving -collection end system, including nucleus module and peripheral extension module, the nucleus module includes central processingunit, DDR circuit and flash circuit, the DDR circuit is connected in parallel by two LPDDR memory chip U9, U11 and constitutes, difference clock signal is constituteed to central processing unit's xmlSCLK and xm1SCLKn pin to clock terminal and the CLKn pin of connecting LPDDR memory chip U9, U11, central processing unit's xml pin, low 16 connect on the pin of memory chip U9's address, and high 16connect on the pin of memory chip U11's address, on the IO pin of flash circuit was connected to central processing unit's xm0 pin, VDDIO was received in the power supply. Adopt the utility model discloses operator person can acquire the information needed more easily, has improved power communication access network reliability, has ensured the professional smoothness of power production.