● High-Performance Digital Signal Processor (C6421)
● 2.5-, 2.-, 1.67, 1.43-ns Instruction Cycle Time
● 400-, 500-, 600-MHz C64x+™ Clock Rate
● Eight 32-Bit C64x+ Instructions/Cycle
● 3200, 4000, 4800, 5600 MIPS
● Fully Software-Compatible With C64x
● Commercial and Automotive (Q or S suffix) Grades
● Low-Power Device (L suffix)
● VelociTI.2™ Extensions to VelociTI™ Advanced Very-Long-Instruction-Word (VLIW) TMS320C64x+™ DSP Core
● Eight Highly Independent Functional Units With VelociTI.2 Extensions:
● Six ALUs (32-/40-Bit), Each Supports Single 32-Bit, Dual 16-Bit, or Quad 8-Bit Arithmetic per Clock Cycle
● Two Multipliers Support Four 16 × 16-Bit Multiplies (32-Bit Results) per Clock Cycle or Eight 8 × 8-Bit Multiplies (16-Bit Results) per Clock Cycle
● Load-Store Architecture With Non-Aligned Support
● 64 32-Bit General-Purpose Registers
● Instruction Packing Reduces Code Size
● All Instructions Conditional
● Additional C64x+™ Enhancements
● Protected Mode Operation
● Exceptions Support for Error Detection and Program Redirection
● Hardware Support for Modulo Loop Auto-Focus Module Operation
● C64x+ Instruction Set Features
● Byte-Addressable (8-/16-/32-/64-Bit Data)
● 8-Bit Overflow Protection
● Bit-Field Extract, Set, Clear
● Normalization, Saturation, Bit-Counting
● VelociTI.2 Increased Orthogonality
● C64x+ Extensions
● Compact 16-bit Instructions
● Additional Instructions to Support Complex Multiplies
● C64x+ L1/L2 Memory Architecture
● 128K-Bit (16K-Byte) L1P Program RAM/Cache [Flexible Allocation]
● 384K-Bit (48K-Byte) L1D Data RAM/Cache [Flexible Allocation]
● 512K-Bit (64K-Byte) L2 Unified Mapped RAM/Cache [Flexible Allocation]
● Endianess: Supports Both Little Endian and Big Endian
● External Memory Interfaces (EMIFs)
● 16-Bit DDR2 SDRAM Memory Controller With 128M-Byte Address Space (1.8-V I/O)
● Supports up to 266-MHz (data rate) bus and interfaces to DDR2-400 SDRAM
● Asynchronous 8-Bit-Wide EMIF (EMIFA) With up to 64M-Byte Address Reach
● Flash Memory Interfaces
● NOR (8-Bit-Wide Data)
● NAND (8-Bit-Wide Data)
● Enhanced Direct-Memory-Access (EDMA) Controller (64 Independent Channels)
● Two 64-Bit General-Purpose Timers (Each Configurable as Two 32-Bit Timers)
● One 64-Bit Watch Dog Timer
● One UART With RTS and CTS Flow Control
● Master/Slave Inter-Integrated Circuit (I2C Bus™)
