Dolphin Flip80251 Twister

The Dolphin Flip80251 Twister is a High Performance MCS251 compatible IP/CISC core with pipeline. Twice time faster than MCS251. Compared to classic 8051: 15-times faster in source mode; 50% reduction in code size (based on Dhrystone benchmark). Full support of 24-bit address lines for 16MByte space, 8/16/32-bit instructions, 32 I/O lines, 9 Interrupts/4 priority levels, Program & Data Wait States, Clock/Power Management Unit. 3 Timers/Counters, WDT, UART, PCA.

Development Tools Compiler, Assembler, Linker, Debugger CA251 Compiler Kit Keil DK251 Developer's Kit Keil Data Sheets Data Sheet 78,060 bytes User's Manual 2,225,431 bytes Header Files REG251S.H 2,941 bytes

Simulated Features The following on-chip peripherals are simulated by the Keil Software µVision Debugger. Interrupts 7S/4L (Including External) PCA Timer with Modules Port 0 Port 1 Port 2 Port 3 Power Saving Modes (Idle and Power Down) Serial UART (Enhanced Interface) Timer 0 Timer 1 Timer 2 (Extended Timer 2) Watchdog Timer AGDI Drivers The following AGDI Drivers are available for the Keil Software µVision Debugger. Keil MON251 Driver Keil