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TCA8418EYFPR Datasheet(PDF) 39 Page - Texas Instruments

Part # TCA8418EYFPR
Description  TCA8418E I2C Controlled Keypad Scan IC With Integrated ESD Protection
PDF  51 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

TCA8418EYFPR Datasheet(HTML) 39 Page - Texas Instruments

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TCA8418E
www.ti.com
SCPS222C – MAY 2010 – REVISED OCTOBER 2015
Typical Application (continued)
Figure 32. Example Keypad
Since the TCA8418E will report keys pressed according to the values in the key value table, it will be important
to know what the TCA8418E’s values for these key locations are.
According to the key event table, the key presses are assigned in the following way:
Table 26. Key Event Table
Keypad Button
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Key Event Table
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Value (Decimal)
Copyright © 2010–2015, Texas Instruments Incorporated
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Product Folder Links: TCA8418E



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