... -IItype intelligent counter chose MSP430 microcontroller ultra-low power CPU, LCD display, so as to ensure the whole instrument of the ... not lost, data protection of up to 100 years).3, built-in clocks, daily passenger flow, the overall operations.4, high-precision ... , batteries, outside power supply all can work.7, signal output can guarantee system networking.8, in turn, can work under °C when ...