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TSC2301 数据表(PDF) 1 Page - Texas Instruments |
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TSC2301 数据表(HTML) 1 Page - Texas Instruments |
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1 / 92 page  BurrBrown Products from Texas Instruments FEATURES APPLICATIONS DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TSC2301 SLAS371D – SEPTEMBER 2002 – REVISED AUGUST 2004 PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC • SPI™ Serial Interface • Personal Digital Assistants • Touch Screen Controller • Cellular Phones – 4-Wire Touch Screen Interface • MP3 Players – Internal Detection of Screen Touch and • Internet Appliances Keypad Press • Smartphones – Touch Pressure Measurement – Ratiometric Conversion – Programmable 8-, 10- or 12-Bit Resolution The TSC2301 is a highly integrated PDA analog – Programmable Sampling Rates Up to 125 interface circuit. It contains a complete 12-bit A/D kHz resistive touch screen converter (ADC) including drivers, touch pressure measurement capability, – Direct Battery Measurement (0 to 6 V) keypad controller, and 8-bit D/A converter (DAC) – On-Chip Temperature Measurement output for LCD contrast control. The TSC2301 offers – 4-by-4 Keypad Interface With programmable resolution of 8, 10, and 12 bits and Programmable De-Bounce and Key sampling rates up to 125 kHz to accommodate Masking different screen sizes. The TSC2301 interfaces to the – Integrated Touch Screen Processor host controller through a standard SPI serial Reduces Host CPU Interrupts and Overhead interface. – Internal Timing Control With Programmable The TSC2301 features a high-performance 20-bit, Delays and Averaging 48-ksps stereo audio codec with highly integrated • Stereo Audio Codec analog functionality. The audio portion of the – 20-Bit Delta-Sigma ADC/DAC TSC2301 contains microphone input with built-in pre-amp and microphone bias circuit, an auxiliary – Dynamic Range: 98 dB stereo analog input, a stereo line-level output, a – Sampling Rate Up to 48 kHz differential mono line-level output, and a stereo – I2S Serial Interface headphone amplifier output. The digital audio data is – Stereo 16- Ω Headphone Driver transferred through a standard I2S interface. A fully • Full Power-Down Control programmable PLL for generating audio clocks from a wide variety of system clocks is also included. • 8-Bit Current Output DAC • On-Chip Crystal Oscillator The TSC2301 also offers two battery measurement inputs capable of battery voltages up to 6 V, while • Programmable Bass/ Midrange/ Treble EQ operating at a supply voltage of only 2.7 V. It also has Effects Processing an on-chip temperature sensor capable of reading • 6 GPIO Pins 0.3°C resolution. The TSC2301 is available in 64-lead • Single 2.7-V to 3.6-V Supply TQFP, and 120-ball VFBGA packages. • 64-Pin TQFP Package US Patent No. 6246394 • 120-Ball MicroStar Junior™ BGA Package Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. MicroStar Junior is a trademark of Texas Instruments. SPI is a trademark of Motorola. PRODUCTION DATA information is current as of publication date. Copyright © 2002–2004, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
类似零件编号 - TSC2301 |
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类似说明 - TSC2301 |
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