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TIDM-KEYBOARD

Keyboard Controller Using Low Power Microcontroller

Design files

TIDM-KEYBOARD

Design files

Overview

This reference design describes the implementation of a low-cost, highly-flexible and modular keyboard controller using MSP430. Examples for MSP430F5529 and MSP430G2744, supporting I2C and USB are included.

Features
  • Supports standard matrix keyboards: this design shows an implementation using a 15x8 matrix but different keyboard layouts can be used
  • Independent of the communication interface: examples for USB and I2C are included
  • Supports multimedia keys
  • Can be implemented in practically any MSP430 platform: examples for MSP430F5529 and MSP430G2744 are included
  • Low power consumption
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

download Design guide — TIDM-KEYBOARD
TIDU521.PDF (2814 K)

Reference design overview and verified performance test data

download Schematic — TIDM-KEYBOARD
TIDRBN2.PDF (548 K)

Detailed schematic diagram for design layout and components

download Bill of materials (BOM) — TIDM-KEYBOARD
TIDRBN1.PDF (70 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

download CAD/CAE symbol — TIDM-KEYBOARD
TIDRBN0.ZIP (608 K)

Files used for 3D models or 2D drawings of IC components

download Gerber file — TIDM-KEYBOARD
TIDC743.ZIP (134 K)

Design file that contains information on physical board layer of design PCB

Products

Includes TI products in the design and potential alternatives.

MSP430 microcontrollers

MSP430F5529 — 25 MHz MCU with 128KB Flash, 8KB SRAM, 12-bit ADC, comparator, DMA, UART/SPI/I2C, USB, HW multiplier

Data sheet: PDF | HTML
MSP430 microcontrollers

MSP430G2744 — 16 MHz MCU with 32KB Flash, 1KB SRAM, 10-bit ADC, UART/SPI/I2C, timer

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

TPS735 — 500-mA, low-IQ, low-dropout voltage regulator with enable

Data sheet: PDF | HTML

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Software

Technical documentation

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Type Title Date
Design guide Keyboard Controller Using MSP430 Design Guide Oct. 29, 2014

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