ST1624 Datasheet (Sitronix) - Capacitive Touch Screen Controller

ST1624, Capacitive Touch Screen Controller

Pin # 8~1 9 24~10 25 26 Pin Name RX8~RX1 VCM TX19~TX5 V18 RESET I/O Description I Receiver channel P Common mode voltage, connect to 1uF capacitor O Transmitter channel P Digital power, connect to 1uF capacitor I System reset signal input, active low 27 INT/P11 I/O INT : Indicate coordinate

ST1624 Capacitive Touch Screen Controller Datasheet Version 1.1 2014/10/22 Note: Sitronix Technology Corp.

reserves the right to change the contents in this document without prior notice.

This is not a final specification.

Some parameters are subject to change.

ST1624 1 INTRODUCTION The ST1624 is a mutual capacitive sensing controller for small size projected capacitive touch screen.

It is a RISC microcontroller with capacitor charge, capacitor sensing, slave I2C interface, general purpose I

ST1624 Features

* MCU based touch controller Operation voltage

* VDD = 2.7V ~ 3.6V

* IOVDD = 1.6V ~ 3.6V Operation Temperature: -20℃ ~ 80℃ Storage Temperature: -40℃ ~ 125℃ Interface

* I2C (slave) Sensor:

* 15 TX, 9 RX Single finger handwriting five fingers detection and tracking Capaci