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Analog Resistive Touch Screen Controller
TSC-40/IC product specification
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TSC-40/IC Product Specification Table of Contents 1. PRODUCTS OUTLINE .............................................................................................................2 1-1. Scope of Application ........................................................................................................................2 1-2. Outline...............................................................................................................................................2 1-3. F
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TSC-40/IC Product Specification 1. PRODUCTS OUTLINE 1-1. Scope of Application This specification applies to the TSC-40/IC. 1-2. Outline TSC-40/IC is an analog touch screen control IC that performs A/D conversion on analog signal for the 4-wire and 5-wire resistive analog touch screen, and transmits coordination data with 10bit resolution to the host in a 9600bps serial (asynchronous). The serial communication enables a connection with PC’s serial port via RS-232C I/F circuit or TTL le
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TSC-40/IC Product Specification 1-4. General specification Item Rating Notes Power supply voltage DC 3.3V to 5.5V Power consumption 29.5mW (standard) -20 ˚C to +85 ˚C Operating Temp (No dew condensation) -40 ˚C to +125 ˚C Temperature range at storing (No dew condensation) Communication scheme Asynchronous, serial Communication rate 9600bps Communication Data length 8bits Each setting is fixed scheme Stop bit 1bit Parity None Operation frequency 6MHz Fixed to 6MHz (1) Poi
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TSC-40/IC Product Specification 2. Pin layout and representation SEL0 25 16 SEL4/EEP-CS RxD 26 15 SEL3/EEP-CLK TSC-40x TxD 27 14 SEL2/EEP-DI SW1 28 13 LED1 xxx SW0 29 12 P30 BEEP 30 11 VSS INDEX AN0 31 10 XOUT #### AN1 32 9 XIN Marking specification TSC-40x Product number x: version number xxx ROM number #### Lot number Document No. DER-S0026A 4 Version 1.2 ©2008 DMC Co., Ltd. AN2 1 24 RxD_I AN3 2 23 THI SEL1 3 22 THO EEP-D
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TSC-40/IC Product Specification 3. Pin functions Pin Pin name I/O Functional description number 1 AN2 I/O Touch screen XL/UR input pin. 2 AN3 I/O Touch screen XR/LL input pin. Transition select pin. 3 SEL1 I H = Auto transition*1 after reset. L = transition by command. 4 EEP-DO I EEPROM DO input pin; At using no EEPROM, Vcc or GND is connected. 5 VREF I A/D converter reference voltage input pin; Vcc is connected. RST 6 I Reset input pin (active L). 7 CNVSS I Operation mode control
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TSC-40/IC Product Specification *1: Auto transition = Mode changes by a command are not performed. It becomes a “Coordinate Data Mode (150pps)” immediately after reset. *2: Always open. If connected with VCC, VSS, or other circuit, an error operation may occur. *3: About pin number 14, 15 and 16, immediately after a power supply injection, it works as an input terminal and becomes an output terminal after that. Do not open these terminals. *4: If neither SW0 nor SW1 function is used, conn
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TSC-40/IC Product Specification 4. Initial setting 4-1. EEPROM setting Depending on that calibration is performed in either TSC-40/IC or host, you can select whether EEPROM is used or not to store the correction data. EEPROM selection can be set via pin number 16, where hardware reset release enables the setting. VCC (TSC-40/IC) (EEPROM) H= Not used SEL4/EEP-CS L= Used CS 4-2. Touch screen mode setting Touch screen mode setting for 4-wire/5-wire is performed by set
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TSC-40/IC Product Specification 5. Data sheet 5-1. Absolute maximum rating Rating Item Symbol Unit Description Minimum Maximum Power supply voltage VCC -0.3 6.5 V Input voltage VI -0.3 Vcc+0.3 V Output voltage VO -0.3 Vcc+0.3 V Power consumption PD 200 mW Operation temperature TOPR -20 +85 ˚C Storage temperature TSTG -40 +125 ˚C Document No. DER-S0026A 8 Version 1.2 ©2008 DMC Co., Ltd.
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TSC-40/IC Product Specification 5-2. Recommended operational conditions (Vcc=3.3 to 5.5V, Vss=0V, Ta=-20 to 85˚C, unless otherwise noted) Limits Item Symbol Unit Description Minimum Standard Maximum VCC 3.3 5.0 5.5 V Power supply voltage VSS 0 V Power supply voltage VREF 1.8 VCC V Analog reference voltage “H” input voltage VIH 0.8VCC VCC V (Pin number 1 - 4, 12 - 32) “H” input voltage VIH 0.8VCC VCC V RST, XIN “L” input voltage VIL 0 0.2VCC V (Pin number 1 - 4, 12
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TSC-40/IC Product Specification 5-3. Timing requirement § Reset (Vcc = 3.3 to 5.5V , Vss = 0V , Ta = -20 to 85°C) Limits Item Symbol Unit Description Minimum Maximum RST L width tw 2 μs tw RST 0.8Vcc 0.8Vcc 0.2Vcc 0.2Vcc § External clock timing Limits Item Symbol Unit Description Minimum Maximum Input cycle tC 166 ns Clock frequency: Fixed to 6MHz Clock pulse width tWH, tWL 70 ns tC tWH tWL 0.8VCC 0.2VCC XIN § Clock input circuit
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TSC-40/IC Product Specification 5-4. DC standards (Vcc=3.3 to 5.5V, Vss=0V, Ta=-20 to 85˚C, unless otherwise noted) Limits Item Symbol Condition Unit Minimum Standard Maximum IOH = -5mA Vcc-1.5 Output “H” voltage *1 Vcc = 4.0 to 5.5V VOH V (Pin number 1-4, 12-32) IOH = -1.0mA Vcc-1.0 Vcc = 3.3 to 5.5V IOL = 5mA 1.5 VCC = 4.0 to 5.5V IOL = 1.5mA Output “L” voltage *1 0.3 VOL V VCC = 4.0 to 5.5V (Pin number1-4, 12-32) IOL = 1.0mA 1.0 VCC = 3.3 to 5.5V IOL = 15mA
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TSC-40/IC Product Specification 6. Packaging Specification 6-1. Outline With a basic packaging unit of 2000, TSC-40/IC is packaged for the number of 2000 and its multiple using damp-proof aluminum laminate bags (Basic packaging). If the delivery quantity is less than 2000 or not multiple of 2000, or the product can not be packaged with a unit of 2000, then no damp-proof packaging specification is applicable (Small group packaging). If packaged with small group packaging, the products may
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TSC-40/IC Product Specification 6-3-3. Diagram for packaging box sizes L: 330 W: 152 D: 75 (mm) 6-4. Small group packaging 6-4-1. Packaging type General packaging (No damp-proof processing) 6-4-2. Packaging quantity specification Quantity per tray Number of trays Quantity per packages 250 1 to 8 +1(cover) 1 - 1999 Number of trays: 1 to 8 (Additionally, one dummy tray pl Air cap Desiccant aced at the top for reinforcing)
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TSC-40/IC Product Specification 6-5. Tray specification This tray is heat-proof type, allowing the heating with 125 °C for 24 hours. During heating/cooling process, however, bending may occur. In baking process, to minimize the bending, heat and cool the tray by placing it on a flat plate. 6-6. Product name label specification DMC P/N: Product number (TSC-40/IC) QTY: Quantity DAC: DMC Control Number Document No. DER-S0026A 14 Ve
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TSC-40/IC Product Specification 7. Storage Specification 7-1. Storage Conditions For storing the product until its implementation, it is recommended that the following storage conditions are applied: 1. Before unpacking the damp-proof package (Aluminum laminate bag) Temperature and humidity: 5 to 40 °C, 20 - 80%RH Duration: Two years or less 2. After unpacking the damp-proof package (Aluminum laminate bag) For the storing duration after the damp-proof package is unpacked and before t
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Package’s surface temperature Temperature TSC-40/IC Product Specification 8. Implementation Temperature Specification 1. Reflow method (Infrared reflow, air reflow) Frequency: Three times or less Temperature: The following device surface temperature profile is recommended. 260 °C max. 255 °C or above, 10-16s max. 220 °C or above, 60s max. 175 ±15 °C 1 to 4 °C/s 110 ±30s Time Figure 1: Infrared reflow, air reflow temperature profile 2. Wave solderin
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TSC-40/IC Product Specification 9. Terminal Pin Specification Base material :Cu Coat :Sn-1.5%Cu Thickness of coat :5um or above 10. Cleaning In case of cleaning boards with solvents after soldering, following items should be taken attention. *Administrative guidance and regulation. *Residual ionic (non ionic) contamination. *Solvent resistance of parts. Document No. DER-S0026A 17 Version 1.2 ©2008 DMC Co., Ltd.
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TSC-40/IC Product Specification 11. Changes and improvements 11-1. Version history § TSC-40/IC Ver0.1 (October 3, 2007) Draft release Ver0.2 (December 10, 2007) 5-3. Timing requirement External clock timing Clerk mistake was corrected. Input cycle 500ns → 166ns Clock pulse 200ns → 70ns 6-6. Product name label specification “Pb Free” was added. Ver0.3 (January 21, 2008) Circuit Diagram 5-Wire Resistive Touch Screen th Corrected the 15 -Pin (SEL3/EEP_C
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TSC-40/IC Product Specification 12. Warranty 12-1. Warranty Period § The warranty period is limited to 1 year from the date of shipping. The warranty for the initial defection such as appearance defection is limited to 1 month. § Any defected parts under proper use will be examined by the supplier and replaced by the new parts if the defection is considered to be caused by the supplier. § The replacement is subject to be included in the next lot. 12-2. Warranty Target § The warranty
