Product Summary

The ADSP-2185MKSTZ-300 is a single-chip microcomputer optimized for digital signal processing (DSP) and other high-speed numeric processing applications. The ADSP-2185MKSTZ-300 combines the ADSP-2100 family base architecture (three computational units, data address generators, and a program sequencer) with two serial ports, a 16-bit internal DMA port, a byte DMA port, a programmable timer, Flag I/O, extensive interrupt capabilities, and on-chip program and data memory. The ADSP-2185MKSTZ-300 integrates 80K bytes of on-chip memory configured as 16K words (24-bit) of program RAM, and 16K words (16-bit) of data RAM. Power-down circuitry is also provided to meet the low power needs of battery-operated portable equipment. The ADSP-2185MKSTZ-300 is available in a 100-lead LQFP package and 144 Ball Mini-BGA.

Parametrics

ADSP-2185MKSTZ-300 absolute maximum ratings: (1)Internal Supply Voltage (VDDINT): –0.3V to +3.0V; (2)External Supply Voltage (VDDEXT): –0.3V to +4.0V; (3)Input Voltage: –0.5V to +4.0V; (4)Output Voltage Swing: –0.5V to VDDEXT + 0.5 V; (5)Operating Temperature Range: –40℃ to +85℃; (6)Storage Temperature Range: –65℃ to +150℃; (7)Lead Temperature (5 sec) LQFP: 280℃.

Features

ADSP-2185MKSTZ-300 features: (1)13.3 ns Instruction Cycle Time @ 2.5V (Internal),; (2)75 MIPS Sustained Performance; (3)Single-Cycle Instruction Execution; (4)Single-Cycle Context Switch; (5)3-Bus Architecture Allows Dual Operand Fetches in; (6)Every Instruction Cycle; (7)Multifunction Instructions; (8)Power-Down Mode Featuring Low CMOS Standby Power; (9)Dissipation with 200 CLKIN Cycle Recovery from; (10)Power-Down Condition; (11)Low Power Dissipation in Idle Mode.

Diagrams

ADSP-2185MKSTZ-300 block diagram

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