SM2964 micro-controller equivalent, 8-bit micro-controller.
Working voltage:4.5V through 5.5V General 8051 family compatible 12 clocks per machine cycle 64K byte internal flash memory 256 byte data RAM Three 16 bit Timers/Counters.
demand up to 32 I/O pins or need up to 64 K byte memory either for program or for data or mixed. To program the flash bl.
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