W78E054D Nuvoton Technology Datasheet

W78E054D Key Features

• Fully static design 8-bit CMOS microcontroller
• Optional 12T or 6T mode
• 12T Mode, 12 clocks per machine cycle operation (default), Speed up to 40 MHz/5V
• 6T Mode, 6 clocks per machine cycle operation set by the writer, Speed up to 20 MHz/5V
• Wide supply voltage of 2.4V to 5.5V o o
• Temperature grade is (-40 C~85 C)
• Pin and Instruction-sets patible with MCS-51
• 256 bytes of on-chip scratchpad RAM
• 16K/8K bytes electrically erasable/programmable Flash EPROM
• 2K bytes LDROM support ISP function (Reference Application Note)