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R8051: 8-bit RISC-like MCU Core

IP Vendor: 
CAST, Inc.
IP Target Vendor: 
Lattice
IP Type: 
Design
IP Category: 
Embedded Processing
IP Description: 

"Features
Control Unit
8-bit Instruction decoder
Reduced instruction cycle time up to 12 times
8-bit Arithmetic-Logic Unit
32-bit Input/Output ports
Four 8-bit I/O ports
Alternate port functions such as external interrupts and serial interface are separated, providing extra port pins when compared with the standard 8051
Two 16-bit Timer/Counters
Serial Peripheral Interfaces in full duplex mode
Synchronous mode, fixed baud rate
8-bit UART mode, variable baud rate
9-bit UART mode, fixed & variable baud rate
Multiprocessor communication
Two priority/five sources Interrupt Controller
Internal Data Memory interface
Can address up to 256 bytes of Read/Write Data Memory Space
External Memory interface
Can address up to 64 KB of External Program Memory
Can address up to 64 KB of External Data Memory
De-multiplexed Address/Data Bus to allow easy connection to memories
Variable length MOVX to access fast/slow RAM/ or peripherals
Wait cycles to access fast/slow ROM
Dual data pointer register
Program Memory Write mode
Special Function Registers interface - Services up to 104 External SFRs
Power Management Unit - IDLE and STOP modes
JTAG debugging interface (optional)
Applications
Embedded microcontroller systems
Data computation and transfer
Communication systems
Professional audio and video"

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