● High-Performance, Low-Power, Fixed-Point TMS320C55™ Digital Signal Processor
● 9.26-, 6.95-, 5-ns Instruction Cycle Time
● 108-, 144-, 200-MHz Clock Rate
● One/Two Instruction(s) Executed per Cycle
● Dual Multipliers [Up to 400 Million Multiply-Accumulates per Second (MMACS)]
● Two Arithmetic/Logic Units (ALUs)
● Three Internal Data/Operand Read Buses and Two Internal Data/Operand Write Buses
● 64K × 16-Bit On-Chip RAM, Composed of:
● 64K Bytes of Dual-Access RAM (DARAM) 8 Blocks of 4K × 16-Bit
● 64K Bytes of Single-Access RAM (SARAM) 8 Blocks of 4K × 16-Bit
● 64K Bytes of One-Wait-State On-Chip ROM (32K × 16-Bit)
● 8M × 16-Bit Maximum Addressable External Memory Space (Synchronous DRAM)
● 16-Bit External Parallel Bus Memory Supporting Either:
● External Memory Interface (EMIF) With GPIO Capabilities and Glueless Interface to:
● Asynchronous Static RAM (SRAM)
● Asynchronous EPROM
● Synchronous DRAM (SDRAM)
● 16-Bit Parallel Enhanced Host-Port Interface (EHPI) With GPIO Capabilities
● Programmable Low-Power Control of Six Device Functional Domains
● On-Chip Scan-Based Emulation Logic
● On-Chip Peripherals
● Two 20-Bit Timers
● Watchdog Timer
● Six-Channel Direct Memory Access (DMA) Controller
● Three Multichannel Buffered Serial Ports (McBSPs)
● Programmable Phase-Locked Loop Clock Generator
● Seven (LQFP) or Eight (BGA) General-Purpose I/O (GPIO) Pins and a General- Purpose Output Pin (XF)
● USB Full-Speed (12 Mbps) Slave Port Supporting Bulk, Interrupt and Isochronous Transfers
● Inter-Integrated Circuit (I2C) Multi-Master and Slave Interface
● Real-Time Clock (RTC) With Crystal Input, Separate Clock Domain, Separate Power Supply
● 4-Channel (BGA) or 2-Channel (LQFP) 10-Bit Successive Approximation A/D
● IEEE Std 1149.1(1) (JTAG) Boundary Scan Logic
● Packages:
● 144-Terminal Low-Profile Quad Flatpack (LQFP) (PGE Suffix)
● 179-Terminal MicroStar BGA™ (Ball Grid Array) (GHH and ZHH Suffixes)
● 1.2-V Core (108 MHz), 2.7-V - 3.6-V I/Os
● 1.35-V Core (144 MHz), 2.7-V - 3.6-V I/Os
● 1.6-V Core (200 MHz), 2.7-V - 3.6-V I/Os
