ADSP21990

PRELIMINARY TECHNICAL DATA . a U t4 m o c w w e e Preliminary Technical Data h S a at .D w MIXED SIGNAL DSP CONTROLLER FEATURES ADSP-219x, 16-bit, Fixed Point DSP Core with up to 160 MIPS sustained performance 8K Words of On chip RAM, Configured as 4K Words On chip 24-bit Program RAM and 4K Words On chip 16-bit Data RAM External Memory Interface Dedicated Memory DMA Controller for Data/Instruction Transfer between Internal/External Memory Programmable PLL and Flexible Clock Generation Circuitry Enables Full speed Operation from Low speed Input Clocks IEEE JTAG Standard 1149.1 Test Access Port Supports On chip Emulation and System Debugging 8-Channel, 20 MSPS, 14-bit Analog to Digital Converter System Mixed Signal DSP Controller ADSP-21990 Three Phase 16-bit Center Based PWM Generation Unit with 12.5 ns resolution Dedicated 32-bit Encoder Interface Unit with Companion Encoder Event Timer Dual 16-bit Auxiliary PWM Outputs 16 General Purpose Flag I/O Pins Three Programmable 32-bit Interval Timers SPI Communications Port with Master or Slave Operation Synchronous Serial Communications Port (SPORT) Capable of Software UART Emulation Integrated Watchdog Timer Dedicated Peripheral Interrupt Controller with Software Priority Control Multiple Boot Modes Precision 1.0V Voltage Reference Integrated Power-On-Reset (POR) Generator FUNCTIONAL BLOCK DIAGRAM CLOCK GENERATOR / PLL 160 MHZ JTAG TEST & EMULATION ADSP-219X DSP I/O BUS I/O REGISTERS PWM GENERATION UNIT w w w .D t...