CPU：1T 8051, with highest speed 10 times faster than traditional 8051

Compatible with 8051 instruction set, with double DPTR mode

CPU frequency: Highest at 27MHz

Flash : 8 / 16 / 32K byte , can be erased and overwritten fortimes

Flash could be divided into program storage and data storage. Data storage could be used to store data which need to be protected during power off and save EEPROM in theend of the day

RAM:256 bytes internal RAM, 2K bytes external RAM

Package: TSSOP20

CPU：1T 8051, with highest speed 10 times faster than traditional 8051

Compatible with 8051 instruction set, with double DPTR mode

CPU frequency: Highest at 27MHz

Flash : 8 / 16 / 32K byte , can be erased and overwritten fortimes

Flash could be divided into program storage and data storage. Data storage could be used to store data which need to be protected during power off and save EEPROM in theend of the day

RAM:256 bytes internal RAM, 2K bytes external RAM

Package: SOP28

CPU: 1T 8051, with highest speed 10 times faster than traditional 8051

Compatible with 8051 instruction set, with double DPTR mode

Flash: 18K byte, can be erased and overwritten for times

Flash could be divided into program storage and data storage. Data storage could be used to store data which need to be protected during power off and save EEPROM in the end of the day.

RAM:256 bytes internal RAM, 1024 bytes external RAM

Package: SSOP28

CPU：1T 8051, with highest speed 10 times faster than traditional 8051

Compatible with 8051 instruction set, with double DPTR mode

Flash : 8K byte , can be erased and overwritten fortimes

Flash could be divided into program storage and data storage. Data storage could be used to store data which need to be protected during power off and save EEPROM in theend of the day

RAM:256 bytes internal RAM, 512 bytes external RAM

Package：DFN8