Overview
Description
The SLG4KPDSC-DMO is a keypad scanner demonstration board.
Using an MCU or SoC to scan a keypad is a less than ideal solution for human input. It often makes sense to offload keypad scanning to a dedicated IC to reduce the power and I/O burden on larger, less efficient, and more expensive devices. Using a GreenPAK™ as a keypad scanner provides a flexible, reliable solution that won't kill your power budget or your BOM cost. While GreenPAK with I2C can perform this function, using GreenPAK's Asynchronous State Machine (ASM) unlocks the full potential and enables up to 54 key scanning.
Features
- GreenPAK Offers Lots of Flexibility
- Integrated delays for programmable button de-bounce
- ASM that can quickly and reliably scan up to 54 buttons in a 20-pin device
- VDD that is 1.8 to 5.0 V
- Flexible GPIO routing, ensuring the least complexity in printed circuit board (PCB) routing
- GreenPAK Lowers Power Consumption
- Being low powered allows to operate continuously without ruining power budget while the main microcontroller (MCU) or system on chip (SoC) is in standby
- GreenPAK Enhances System Stability
- Zero code while implementing features in hardware ensures stability
- Integration of many components ensuring fewer points of failure
Applications
Documentation
= Featured Documentation
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| Type | Title | Date |
| Application Note | PDF 735 KB | |
| Application Note | PDF 522 KB | |
| Application Note | PDF 237 KB | |
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Processing table
SLG4KPDSC-DMO Active |
Tips for Using This Parametric Table:
- Hide Filters button in header: Collapse or expands filters
- Column sort buttons in header: Sort Column alphabetically / numerically descending or ascending
- Reset button in header: Reset all filters to the page default
- Full Screen button in header: Expand the table to full screen view (user must close out of full screen before they can interact with rest of page)
- Export button in header: Export the filtered results of the table to an Excel document
- Filter parts search bar in header: Type to filter table results by part number
- Hide column button in column headers: Select to hide columns in table
- AND / OR toggle switches in header: Toggles the logic of this particular filter to be “AND” or “OR” logic for filtering results
- Multiselect checkboxes at beginning of each row in table: Select these checkboxes to compare products against each other
- Document icon next to product name in row: View the featured document for this product
- Chip icon next to the right of the document icon in row: View the block diagram for this product
- Cart icon to the right of the chip icon: Indicates that samples are available for this product
Videos & Training
Keypad Scanner with GreenPAK
Video List