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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
– I
2
S Serial Interface
headphone amplifier output. The digital audio data is
– Stereo 16- Ω Headphone Driver
transferred through a standard I
2
S 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.
Verzeichnis
- ・ Konfiguration des Pinbelegungsdiagramms on Seite 6 Seite 7 Seite 8
- ・ Abmessungen des Paketumrisses on Seite 88 Seite 90 Seite 91
- ・ Teilenummerierungssystem on Seite 3
- ・ Markierungsinformationen on Seite 88
- ・ Blockdiagramm on Seite 1 Seite 22 Seite 53 Seite 56
- ・ Technische Daten on Seite 3
- ・ Anwendungsbereich on Seite 1 Seite 58 Seite 95
- ・ Elektrische Spezifikation on Seite 4 Seite 5
