The STMPE1601 is a 16-bit enhanced port expander with keypad and PWM controller that can interface with a main digital ASIC via the two-line bidirectional bus (I2C).
The STMPE1601 is a GPIO (general purpose input/output) port expander designed to interface a main digital ASIC via the two-line bidirectional I2C bus. It features 16 GPIOs, a hardware keypad controller for 8x8 matrices, and four basic PWM controllers for LED brightness control. The device is optimized for low quiescent current and includes an advanced power management system suitable for portable media players, game consoles, and mobile devices.
| Operating voltage | 1.8 — 3.3 V |
|---|---|
| Package type | TFBGA25 |
| Operating ambient temperature | -40 to 85 °C |
Yes, it includes a hardware keypad controller capable of detecting keypress in hibernation mode.
It has 4 basic PWM controllers for LED brightness control.