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C8051
The C8051 is a fast, single-chip 8-bit Microcontroller, support all ASM51 instructions and has the same instruction set as the 8051. Main feature list:
compatible with industry standard discrete devices, having all their core features and the additional features corresponding to standard 8051/8031
support Data Memory of up to 256 bytes
support internal Program RAM or ROM up to 64K bytes
Can address 64K bytes external Data RAM and 64K bytes external Program ROM
Two 16-bit timer/counters embedded
a full-duplex serial port (UART).
32 external port pins
support Idle mode and Power-Down mode


Z80
Z80CPU is a fast single-chip 8 bit microprocessor. It is a fully functional 8-bit embedded processor and hash same instruction set as Zilog Z80CPU.Main feature list:
8 bit instruction decoder
Same instruction set as Zilog Z80CPU
Support 8/16 bit arithmetic logic and 8 bit logical operation
Boolean manipulations
Support three mode maskable interrupt and none maskable interrupt
Address up to 64KB program memory
Address up to 64KB data memory
Address up to 64KB of input/output devices
One dynamic memory refresh counter


80186
80186 core is a 16-bit microprocessor. Main feature list:
support 8086/80186
Software Compatible with the Intel 8086
Peripheral Interface Logic Chip-Select and Ready Control Logic
Instruction execution improved by up to 50%
Instruction Prefetch Queue size programmable up to 8 bytes
Bus interface Timing improved
3 Clock bus interface or 4 clock Intel compatible
up to 4 DMA controller
Programmable Address space of 1 or 16 MB
Powerful addressing modes
Effective address calculation times reduced to 1-4 clocks
Maskable and Non-Maskable Interrupt Capability


PowerPC
The PowerPC core is a 32-bit RISC core , implements a simple 3-stage pipeline (fetch, decode, execute) and is compatible with the PowerPC instruction set architecture. Main feature list :
Compatible with the PowerPC instruction set architecture, compatible with 4XX~8XX PowerPC embedded processors
CPU architecture
32 bit RISC microprocessor
3-stage pipeline-fetch, decode, execute
up to 64 general purpose register
hardware multiply/divide/square-root ,etc.
32 bit address, up to 4G address access space
Caching
Separate instruction and data caches
Configurable cache size from 0 to 128Kbytes
Data cache write-through option
Memory
Variable page size from 1K to 32M
8-entry,fully associative translation look-aside buffer
Virtual-mode MMU
Timers
Programmable interval timer
Watchdog timer
Support JTAG port debug mode and software/hardware breakpoint


DSP
The DSP core is a digital signal processor with separate data and memory space. Main feature list:
M320C50 compatible
A 32-bit arithmetic
A 32-bit ALU/accumulator
A 16 X 16 parallel multiplier
16-bit shifter
16-bit parallel logic unit
Up to 64k words of program memory
Up to 64k words of data memory
64k I/O space
Two circular buffers
Interrupt controller
A timer
A serial port
A time-division-multiplexed serial port
A programmable wait-state generator