Introduction - If you have any usage issues, please Google them yourself
XX7299A is low and with the strong anti-jamming capability, multi-purpose microcontroller peripheral chips. It integrates a digital control display driver (eight digital tube or 64 LED) and the keyboard scan (64) control, and on-chip 256 byte E2PROM and 256 byte SRAM, Integrated RTC (with the lunar calendar and the Solar algorithm), two road eight ADC (SMT). XX7299A 8 MHz internal RC oscillator circuit, using two line Communication Interface (I2C compatible) and SCM communication.