ST1633i Datasheet (Sitronix) - Capacitive Touch Screen Controller

ST1633i, Capacitive Touch Screen Controller

Pin # 1 22~2 23 24 25 26 27 28 29 30 31 32 33 34 35 36 48~37 Pin Name AGND TX20~TX0 VCM1 VDD AGND1 DGND V18 RESET P11/TP_SEL P10/INT MISO/ I2C_SEL0 MOSI/ I2C_SEL1 SCK/SDA SS/SCL IOVDD V25 RX11~RX0 I/O Description P Analog ground O Transmitter channel P Common mode voltage, connect to 1uF capa

ST1633i Capacitive Touch Screen Controller Datasheet Version 1.6 2017/06/12 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.

ST1633i 1 INTRODUCTION The ST1633i is a 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/O a

ST1633i Features

* MCU based touch controller Operation voltage

* VDD = 2.7V ~ 3.6V

* IOVDD = 1.6V ~ 3.6V Operation Temperature: -40℃ ~ 85℃ Storage Temperature: -40℃ ~ 125℃ Interface

* I2C (slave)

* SPI Sensor

* 21TX, 12 RX Single finger handwriting five fingers detection and tr