Datasheet4U Logo Datasheet4U.com

FM7843 - Touch Screen Controller

General Description

Symbol Vcc X+ Y+ XYGND IN3 IN4 Vref Vcc PENIRQ DOUT BUSY DIN CS DCLK Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Power supply 2.7v to 5v X+ Position input.

ADC input Channel 1 Y+ Position input.

ADC input Channel 2 X- Position input Y- Position input Ground Auxiliary input 1.

Key Features

  • ‹ ‹ ‹ ‹ ‹ ‹ ‹ Realizing the driver selection of touch screen Analog-to-digital conversion on input voltage or auxiliary voltage Synchronous serial interface Up to 125kHz conversion rate Programmable 8-bit or 12-bit resolution Single supply: 2.7V to 5V 2 auxiliary analog inputs Block Diagram FM7843 Touch Screen Controller Ver1.0 Specification 3 www. DataSheet4U. com Pin Assignment Pin.

📥 Download Datasheet

Datasheet Details

Part number FM7843
Manufacturer Shanghai Fudan Microelectronics
File Size 298.22 KB
Description Touch Screen Controller
Datasheet download datasheet FM7843 Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
FM75 Low Voltage 2-Wire Digital Temperature Sensor Fairchild Semiconductor
FM7520B Offline current-mode PWM controller ChipSourceTek
FM7535C Primary side control high precision constant voltage / constant current PWM controller FUMAN
FM7538C Primary side control high precision constant voltage / constant current PWM controller FUMAN

Other Datasheets by Shanghai Fudan Microelectronics

Part Number Description

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
www.DataSheet4U.com FM7843 Touch Screen Controller Specification Oct. 2007 FM7843 Touch Screen Controller Ver 1.0 Specification 1 www.DataSheet4U.com INFORMATION IN THIS DOCUMENT IS INTENDED AS A REFERENCE TO ASSIST OUR CUSTOMERS IN THE SELECTION OF SHANGHAI FUDAN MICROELECTRONICS CO., LTD PRODUCT BEST SUITED TO THE CUSTOMER'S APPLICATION; THEY DO NOT CONVEY ANY LICENSE UNDER ANY INTELLECTUAL PROPERTY RIGHTS, OR ANY OTHER RIGHTS, BELONGING TO SHANGHAI FUDAN MICROELECTRONICS CO., LTD OR A THIRD PARTY. WHEN USING THE INFORMATION CONTAINED IN THIS DOCUMENTS, PLEASE BE SURE TO EVALUATE ALL INFORMATION AS A TOTAL SYSTEM BEFORE MAKING A FINAL DECISION ON THE APPLICABILITY OF THE INFORMATION AND PRODUCTS. SHANGHAI FUDAN MICROELECTRONICS CO.