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FEATURES

? Digital signal processing core

– Efficient 32-bit DSP engine

– Conforms to IEEE 754-1985 standard for single precision (32-bit) and single

extended precision (44-bit) arithmetic

– Up to 30 Million Instructions Per Second (MIPS) at 60 MHz

– Parallel operation of Data ALU, Address Generation Unit (AGU), and program

controller within the CPU allow more processing per instruction cycle

– Single-cycle 32x32 bit parallel multiplier

– Highly parallel instruction set with unique DSP addressing modes

– Nested hardware DO loops

– Instruction cache extended to operate as 4 K byte (1 K word)

– Fast auto-return interrupts

– Address buses:

? One 32-bit unidirectional internal X memory Address Bus (XAB)

? One 32-bit unidirectional internal Y memory Address Bus (YAB)

? One 32-bit internal Program Address Bus (PAB)

? Two 32-bit external address buses

– Data buses:

? One 32-bit bidirectional internal X memory Data Bus (XDB)

? One 32-bit bidirectional internal Y memory Data Bus (YDB)

? One 32-bit bidirectional internal Global memory Data Bus (GDB)

? One 32-bit bidirectional internal DMA Data Bus (DDB)

? One 32-bit bidirectional internal Program Data Bus (PDB)

? Two 32-bit external data buses

– MCU-like instruction set mnemonics make programming easier

? Memory

– On-chip 1024x32-bit Program RAM

– Two independent on-chip 512x32-bit data RAMs

– Two independent on-chip 512x32-bit data ROMs (1024x32-bit virtual memory)

– On-chip 64x32-bit bootstrap ROM

– Off-chip expansion to 2x2 32

32-bit words of data memory

– Off-chip expansion to 2 32

32-bit words of program memory

? Miscellaneous features

– Two expansion ports assignable to X data, Y data, or program memory spaces or

a combination thereof, effectively doubling off-chip bus bandwidth.

– Host interface circuitry on each port provides a flexible slave interface to Direct

Memory Access (DMA) controllers and external processors for easy design of

multimaster systems

– Write strobe pins support interface to external SRAMs without additional logic

– Two programmable timers/counters

– Three external interrupt/mode control lines

– One external reset line for hardware reset

– 4-pin OnCE port for unobtrusive, processor speed-independent debugging

– HCMOS design for operating frequencies from 60 MHz down to DC

– 223-pin plastic Pin Grid Array (PGA) package or 240-pin Ceramic Quad Flat Pack

(CQFP) package

– 5.0 V power supply