TSM12M

Product overview TSM12

12-channel touch key chip (special touch chip for door code lock with low power consumption and high consistency code lock)

TSM12 general features

12 - channel capacitive sensor, automatic sensitivity calibration

Optional output operation (single-mode/multi-mode)

Independently adjustable sensitivity for 8 steps

Synchronization for multi-chip applications

The intensity of touch can be detected in 3 steps (low, medium, high).

Adjustable internal and external resistance frequencies

Adjustable response time and interrupt priority control registers

I2C serial interface

Embedded high frequency noise cancellation circuit

Idle mode saves power

Embedded channel 1 power button function for mobile applications

Application field

1. Mobile applications (mobile phone /PDA/PMP, etc.)

2. Film switch replacement

3. Sealed control panel, keyboard

4. Application of door key locking matrix

5. Touch screen replacement applications