India's indegegenous  Vikram-32 chip


India's indegegenous  Vikram-32 chip

Vikram-32 (Vikram 3201): India’s First Indigenous 32-Bit Space-Grade Microprocessor

A Landmark Moment for India’s Semiconductor Journey

At Semicon India 2025, Union Minister Ashwini Vaishnaw presented the Vikram-32 chip—formally known as Vikram 3201—to Prime Minister Narendra Modi. This marked the debut of India’s first fully indigenous 32-bit microprocessor, specially developed for aerospace and satellite applications .

Designed for the Harshness of Space

Developed by ISRO’s Vikram Sarabhai Space Centre (VSSC) and fabricated at ISRO’s Semiconductor Laboratory (SCL) in Chandigarh using a 180 nm CMOS process, the chip is engineered to endure the extremes of space—ranging from –55 °C to +125 °C—as well as intense vibration and radiation .

Key Specifications & Innovations

Feature Details
Architecture 32-bit design with custom instruction set, successor to Vikram 1601 (16-bit) used since 2009
Floating-Point Support Enables high-precision real-time calculations critical for navigation and control
Programming Ecosystem Fully supports the Ada language; C compiler under development. Tools such as compiler, assembler, linker, simulator, and IDE are developed in-house
Heritage & Testing Upgrade from Vikram 1601; early production lots were successfully validated onboard the PSLV-C60 mission’s POEM-4 platform

Additionally, ISRO introduced companion technologies—Reconfigurable Data Acquisition Systems (RDAS), Relay Driver IC, and Multi-Channel Low Drop-Out Regulator IC—to miniaturize spacecraft avionics .

Why This Chip Matters

Autonomy in Mission-Critical Electronics
Space-grade electronics are far more demanding than consumer chips. With Vikram 3201, India reduces dependence on foreign processors and strengthens its Atmanirbhar Bharat ambitions .

Enhancing Space Capability
The chip is tailored for navigation, guidance, and mission control, performing split-second decisions with high reliability in the rigors of launch and space .

Boosting Domestic Ecosystem
Beyond the hardware, India built the entire development ecosystem—from design tools to compilers—ensuring end-to-end control over mission-critical software and hardware integration .

Voices from the Ground

An enthusiastic voice on Reddit summarized the milestone succinctly:

“VIKRAM3201 is the first fully ‘Make-in-India’ 32-bit microprocessor … The initial lot … was successfully validated in space in the Mission Management Computer of the PSLV Orbital Experimental Module (POEM-4) in the PSLV-C60 mission.”

The Road Ahead

The unveiling signifies India’s swift leap from chip consumer to chip creator. Spearheaded by government-backed R&D, policy support, and economic momentum, projects like Vikram 3201 showcase the nation’s promise of becoming a global semiconductor and space technology leader .

In Summary

  • Vikram 3201, India’s first indigenous 32-bit microprocessor, was unveiled at Semicon India 2025.
  • Designed and built by ISRO and SCL, it’s tailored for space mission robustness and precision.
  • With full software toolchain support, its onboarding paves the way for India’s fully domestic space avionics stack.
  • Its success points to a future where India secures technological sovereignty in critical, high-stakes domains.

Let me know if you'd like to dive deeper into its architecture, toolchain, or mission integration plans!

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