computer science

KOMDIV-32

KOMDIV-32 is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand KOMDIV-32 rather than just read about it. In short: The KOMDIV-32 (Russian: КОМДИВ-32) is a family of 32-bit microprocessors developed and manufactured by the Scientific Research Institute of System Development (NIISI) of the Russian Academy of Sciences. The manufacturing plant of NIISI is located in Dubna on the grounds of the Kurchatov Institute.

Key takeaways

KOMDIV-32 belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect KOMDIV-32 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of KOMDIV-32 from memory before moving on to harder problems.

Reference excerpt

The KOMDIV-32 (Russian: КОМДИВ-32) is a family of 32-bit microprocessors developed and manufactured by the Scientific Research Institute of System Development (NIISI) of the Russian Academy of Sciences. The manufacturing plant of NIISI is located in Dubna on the grounds of the Kurchatov Institute. The KOMDIV-32 processors are intended primarily for spacecraft applications and many of them are radiation hardened (rad-hard). These microprocessors are compatible with MIPS R3000 and have an integrated MIPS R3010 compatible floating-point unit.

Overview

Details

1V812 0.5 μm CMOS process, 3-layer metal 108-pin ceramic quad flat package (QFP) 1.5 million transistors, 8KB L1 instruction cache, 8KB L1 data cache, compatible with IDT 79R3081E

1890VM1T 0.5 μm CMOS process

1890VM2T 0.35 μm CMOS process

1990VM2T 0.35 μm silicon on insulator (SOI) CMOS process 108-pin ceramic Quad Flat Package (QFP) working temperature from -60 to 125 °C

5890VM1Т 0.5 μm silicon on insulator (SOI) CMOS process 108-pin ceramic quad flat package (QFP) cache (8KB each for data and instructions) working temperature from -60 to 125 °C

5890VE1Т 0.5 μm SOI CMOS process 240-pin ceramic QFP radiation tolerance to not less than 200 kRad, working temperature from -60 to 125 °C System-on-a-chip (SoC) including PCI master / slave, 16 GPIO, 3 UART, 3 32-bit timers cache (8KB each for data and instructions) second-sourced by MVC Nizhny Novgorod under the name 1904VE1T (Russian: 1904ВЕ1Т) with a clock rate of 40 MHz

1900VM2T development name Rezerv-32 0.35 μm SOI CMOS process 108-pin ceramic QFP radiation tolerance to not less than 200 kRad, working temperature from -60 to 125 °C triple modular redundancy on block level with self-healing both registers and cache (4KB each for data and instructions) are implemented as dual interlocked storage cells (DICE)

1907VM014 0.25 μm SOI CMOS process; manufacturing to be moved to Mikron 256-pin ceramic QFP production planned for 2016 (previously this device was planned to go into production in 2014 under the name 1907VE1T or 1907VM1T) radiation tolerance to not less than 200 kRad SoC including SpaceWire, GOST R 52070-2003 (Russian version of MIL-STD-1553), SPI, 32 GPIO, 2 UART, 3 timers, JTAG cache (8KB each for data and instructions)

1907VM038 development name Skhema-10 0.25 μm SOI CMOS process; manufacturing to be moved to Mikron 675-pin ceramic BGA SoC including SpaceWire, GOST R 52070-2003 (MIL-STD-1553), RapidIO, SPI, I²C, 16 GPIO, 2 UART, 3 32-bit timers, JTAG, DSP (same command set as DSP in 1890VM7Ya) DDR2 SDRAM controller with ECC cache (8KB each for data and instructions) working temperature from -60 to 125 °C

1907VM044 development name Obrabotka-10 0.25 μm SOI CMOS process; manufactured by Mikron 256-pin ceramic QFP SoC including SpaceWire, GOST R 52070-2003 (MIL-STD-1553), SPI, 32 GPIO, 2 UART, 3 timers, JTAG radiation tolerance to not less than 200 kRad triple modular redundancy in processor core both registers and cache (4KB each for data and instructions) are implemented as dual interlocked storage cells (DICE) with 1 parity bit per byte for cache and Hamming code for registers SECDED for external memory working temperature from -60 to 125 °C

1907VM056 development name Skhema-23 0.25 μm SOI CMOS process; manufactured by Mikron 407-pin ceramic PGA SoC including 8-channel SpaceWire, GOST R 52070-2003 (MIL-STD-1553), SPI, I²C, CAN bus, 32 GPIO, 2 UART, 3 timers, JTAG cache (8KB each for data and instructions)

1907VM066 development name Obrabotka-26 0.25 μm silicon on insulator (SOI) CMOS process; manufactured by Mikron 407-pin ceramic PGA SoC including 4-channel SpaceWire, GOST R 52070-2003 (MIL-STD-1553), SPI, I²C, RapidIO, GPIO, 2 UART, 3 timers, JTAG, PCI, co-processor for image processing cache (8KB each for data and instructions)

1907VK016 development name Obrabotka-29 0.25 μm silicon on insulator (SOI) CMOS process; manufactured by Mikron PGA SoC including 4-channel SpaceWire, GOST R 52070-2003 (MIL-STD-1553), SPI, 32 GPIO, 2 UART, 3 timers, 128KB SRAM triple modular redundancy in processor core

See also KOMDIV-64, 64-bit MIPS processors developed by NIISI Mongoose-V, a 32-bit MIPS processor for spacecraft applications developed for NASA Soviet integrated circuit designation

References

Worked examples

Example 1 — a first encounter with KOMDIV-32

Start with the simplest possible case. Write down what KOMDIV-32 claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to KOMDIV-32 before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about KOMDIV-32 ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of KOMDIV-32

In research: KOMDIV-32 appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses KOMDIV-32 in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: KOMDIV-32 is common in secondary-school and first-year university syllabi. It links to neighbouring topics 32-bit microprocessors, Avionics computers, Computer-related introductions in 1999, so understanding it makes those chapters shorter.
In everyday life: Look for KOMDIV-32 outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study KOMDIV-32 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what KOMDIV-32 means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain KOMDIV-32 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is KOMDIV-32 in simple terms?

Why does KOMDIV-32 matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study KOMDIV-32?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on KOMDIV-32.