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Instant Microelectronics IST83020B Backlit Gaming Keyboard Chip Datasheet
The IST83020B is a USB low‑speed gaming keyboard controller chip that supports multiple backlight modes, Fn‑key combinations, and up to 26‑key no‑ghosting. It includes a matrix of 20 × 8 pads, three single‑wire RGB LED channels, and an integrated volume encoder.
The document provides a system block diagram, detailed PAD pinout, descriptions of the three selectable keyboard matrices, lighting mode tables, electrical characteristics, typical application circuits, PCB layout and wiring examples, and a revision history. This manual is written in Chinese.
Covers: Overall Description · Features · System Block Diagram · PAD Definition · Application Description · Electrical Characteristics
Latest Instant Microelectronics manuals
Instant Microelectronics IST83020B Backlit Gaming Keyboard Chip Datasheet
Datasheet 17 pages · 1.6 MB · ZHThe IST83020B datasheet from Instant Microelectronics details features, pin definitions, lighting modes, and electrical specifications of the USB backlit…
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Datasheet
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in Instant Microelectronics manuals
How do I change the backlight mode?
Press Fn+Scr to cycle through the lighting modes such as flow, comet tail, single‑lane, etc.
From: Instant Microelectronics IST83020B Backlit Gaming Keyboard Chip Datasheet
What is the maximum number of simultaneous key presses without ghosting?
The chip supports up to 26 keys without ghosting (19‑key mode is also available).
From: Instant Microelectronics IST83020B Backlit Gaming Keyboard Chip Datasheet
