Evatronix SA 
Part Number : C56000
Overview :
The C56000 is a core of a single-chip 24-bit fixed-point digital signal processor. The efficient modified Harvard architecture provides high precision and high performance using independent X/Y memory accesses. The C56000 implements the same instruction set as the industry standard DSP56002 and also provides the same peripherals and interrupts.
Features : - Control Unit
- 66 instructions in the instruction set
- 3-stage instruction pipelining
- most instructions executed in two cycles (all arithmetical instructions)
- repeat instructions for efficient use of program space and enhanced execution
- hardware loop support
- 16-level deep hardware stack
- most arithmetic instructions use parallel moves
- Data Arithmetic Logic Unit
- four 24-bit input registers
- two 48-bit accumulator registers
- two 8-bit accumulator extension registers
- accumulator shifter
- two data bus shifter/limiter circuits
- 24 x 24 parallel multiplier
- 56-bit arithmetic and logic operations
- single cycle Multiply-and-Accumulate with rounding instructions
- Address Generation Unit
- eight sets of three 16-bit registers: address, offset and modifier registers
- direct, indirect, immediate addressing modes
- varied indirect addressing modes with linear, modulo and reverse-carry arithmetic
- two 16-bit addresses calculation in every instruction cycle
- memory organization
- program and X/Y Data memory spaces
- configurable program and data memory map
- 512 words of internal program RAM
- 256 words of RAM and 256 words of ROM for both X and Y internal data memory spaces (for user-defined tables, e.g. A-Law, sine-wave table)
- up to 64K words of external space for each program, X and Y memories
- wait states for interfacing slower off-chip devices (and internal wait-state generator)
- I/O ports
- 24 General-purpose I/O pins
- Serial Communication Interface (SCI)
- Synchronous Serial Interface (SSI)
- Host Interface (HI)
- 24-bit timer
- external event counter
- external pulse width/period measurement
- timer
- pulse generation
Categories :
Portability :
Type : Soft
TrueCircuits: UltraPLL

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