I/O Expander
I/O Expander can easily expand the functions such as GPIOs, Keypads, LED controls and timers to the exsiting systems.
I/O Expander Example
I/O Expander
TC35890XBG, TC35892BG, TC35893XBG, TC35894XBG
Features
- Low-power operation
- I2C interface; Max. 8×12 key matrix; PWM timer; general-purpose I/O pins (GPIO)
- Up to 24 general-purpose I/O pins
General Specifications
| Part Number | TC35890XBG | TC35892XBG | TC35893XBG | TC35894XBG |
|---|---|---|---|---|
| Features | Up to 24 GPIO pins; crystal oscillation; support for dual power supplies | Up to 24 GPIO pins; on-chip RC oscillation; crystal oscillation | Up to 20 GPIO pins; on-chip RC oscillation | Up to 24 GPIO pins; on-chip RC oscillation; crystal oscillation |
| Power Suppy | 1.7-3.6 V | 1.62-2.7 V | 1.62-3.6 V | 1.62-3.6 V |
| Package Dimensions | 5mm × 5mm (36 pins) |
3.5mm × 3.5mm (36 pins) |
3.0mm × 3.0mm (25 pins) |
3.5mm × 3.5mm (36 pins) |
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