Product Summary
The ADSP-2185NKSTZ-320 consists of six single chip microcomputers optimized for digital signal processing applications. The high-level block diagram for the ADSP-2185NKSTZ-320 appears on the previous page. The ADSP-2185NKSTZ-320 is pin-compatible and is differentiated solely by the amount of on-chip SRAM. This feature, combined with ADSP-2185NKSTZ-320 code compatibility, provides a great deal of flexibility in the design decision. ADSP-2185NKSTZ-320 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.
Parametrics
ADSP-2185NKSTZ-320 absolute maximum ratings: (1)Internal Supply Voltage (VDDINT): –0.3 V to +2.2 V; (2)External Supply Voltage (VDDEXT): –0.3 V to +4.0 V; (3)Input Voltage: –0.5 V to +4.0 V; (4)Output Voltage Swing: –0.5 V 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-2185NKSTZ-320 features: (1)12.5 ns Instruction Cycle Time @1.8 V (Internal), 80 MIPS Sustained Performance; (2)Single-Cycle Instruction Execution; (3)Single-Cycle Context Switch; (4)3-Bus Architecture Allows Dual Operand Fetches in Every Instruction Cycle; (5)Multifunction Instructions; (6)Power-Down Mode Featuring Low CMOS Standby; (7)Power Dissipation with 200 CLKIN Cycle Recovery from Power-Down Condition; (8)Low Power Dissipation in Idle Mode.
Diagrams
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![]() ADSP-2185NKSTZ-320 |
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![]() IC DSP CONTROLLER 16BIT 100LQFP |
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