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| W82C610 MONITOR SOFTWARE OSD IC GENERAL DESCRIPTION The W82C610 and SoftControl software provide a proprietary Software On-Screen-Display (OSD) solution for monitors. It delivers excellent performance and flexibility over hardware OSD solution in current monitor industry. User can adjust monitor from SoftControl under Window (R) environment instead of adjustment from front panel. The W82C610 decodes the RGB video signals generated by a SoftControl program from the host, over normal VGA cable, and produces control data that can be accessed by the display microcontroller. FEATURES * * * * * * A delicate solution for software On-Screen-Display Excellent performance and flexibility over Hardware OSD Low cost implementation for existing monitors 16-pin PDIP 5V CMOS device ESD protection (> 4 KV) SoftControl Feature List * * Five languages selectable for icon label Fully adjustable - Brightness, Contrast, Parallelogram, Pincusion - Position, Size, Symmetry, Trapezoid, Color - Factory Preset * Current system status - Input connect type - H/V frequency, Interlace/Non-interlace - Operating resolution - Degauss * Visual Inspection - Aspect Ratio, Color Purity, Dynamic Converge - High Voltage, Static Converge, White Balance - Screen Resolution, Text Resolution -1- Publication Release Date: October 1995 Revision A4 W82C610 PIN CONFIGURATION RDATA GDATA BDATA LEVEL RD INT IDB3 GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCC ODB0 ODB1 ODB2 ODB3 IDB0 IDB1 IDB2 PIN DESCRIPTION NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 NAME RDATA GDATA BDATA LEVEL RD TYPE Input Input Input Input Input Output (OD) DESCRIPTION AC-coupled red video (0.7 VPP typ) AC-coupled green video (0.7 VPP typ) AC-coupled blue video (0.7 VPP typ) Comparator trip level for RGB video Read enable. Enables the ODB[3:0] bus of the SoftControl code output to be read by the controller. Enabled whenever SoftControl identification code is detected. 4-bit bus for data input from key pad Ground 4-bit bus for data input from key pad 4-bit bus for data input from key pad 4-bit bus for data input from key pad 4-bit bus for data output 4-bit bus for data output 4-bit bus for data output 4-bit bus for data output +5V INT IDB3 GND IDB2 IDB1 IDB0 ODB3 ODB2 ODB1 ODB0 VCC Input Power Input Input Input Output Output Output Output Power *OD: Open-drain output -2- W82C610 BLOCK DIAGRAM COMPARATORS RDATA GDATA BDATA LEVEL S H I F T R E G I S T E R S L A T C H S I G N A T U R E D E T E C T I O N LATCH ENABLE IDB[3:0] ODB[3:0] CLEAR R E A D RD C O N T R O L INT FUNCTIONAL DESCRIPTION The W82C610 converts analog video signals to digital data and detects the SoftControl signature code. If the signature code is detected, the W82C610 informs the microcontroller and places the SoftControl data on the parallel bus. SoftControl allows the PC to communicate with the monitor over the normal video cable. No additional circuits are required in the PC. Communication is accomplished by means of coded data transferred on the RGB video signals by the SoftControl program. To prevent false readings, data are sent with a 12-bit signature code. The W82C610 provides a data path for inputs from key pad to microcontroller. Output ODB0-ODB3 can be either from key pad (IDB0-IDB3) or from VGA cable (RDATA, GDATA, BDATA). -3- Publication Release Date: October 1995 Revision A4 W82C610 ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage (VCC to VSS) Analog Input Voltage Digital Input Voltage Power Dissipation Ambient Operating Temperature Lead Temperature (Soldering, 10 sec) RATING 5.5 VSS-0.5 to VCC+0.5 VSS-0.5 to VCC+0.5 5 0 to 70 250 UNIT V V V mW C C Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the device. DC CHARACTERISTICS VCC = 5V +/- 5%, Ta = 0 C to 70 C PARAMETER VCC Supply Current Leakage Current Logic Input, VIH Logic Input, VIL Logic Output, VOH Logic Output, VOL Operating Frequency TEST CONDITIONS MIN. TYP. MAX. 1 UNIT mA A V V V V MHz Ta = 70 C 0.7 VDD 0 3.5 0.3 - 10 0.2 VDD 0.4 Note IO 24 mA IO 6 mA 2.5 - Note: Depending on level input voltage (Level Voltage (V)/Max Frequency (Mhz)): (3/2, 2.5/10, 2/13, 1.5/15, 1/15, 0.5/10). AC CHARACTERISTICS AND TIMING WAVEFORMS Read SoftControl Data INT DB[0:7] IDB[3:0] Output DATA IDB[3:0] Output RD TA TB TB -4- W82C610 Read Characteristics, continued PARAMETER INT to Read SYMBOL TH TA TB MIN. 50 - MAX. Note 50 UNIT Note nS nS Data Ready Bus to IDB[3:0] Output Note: Video data are available until RD occurs. TYPICAL APPLICATION CIRCUIT KEY PAD CIRCUIT BIAS W82C610 LEVEL IDB3 IDB2 IDB1 IDB0 ODB3 ODB2 ODB1 ODB0 31 19 18 X2 9 RESET 12 13 14 15 1 2 3 4 5 6 7 8 INT0 INT1 T0 T1 P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 80X51X P2.0 P2.1 P2.2 P2.3 P2.4 P2.5 P2.6 P2.7 RD WR PSEN ALE/P TXD RXD EA/VP X1 P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 39 38 37 36 35 34 33 32 21 22 23 24 25 26 27 28 17 16 29 30 11 10 RC NETWORK RDATA GDATA BDATA 5 10 4 9 3 8 2 7 1 6 15 14 13 12 11 INT RD -5- Publication Release Date: October 1995 Revision A4 W82C610 RC NETWORK +5V 5.6K 1% 680 1% IN4148 W82C610 LEVEL 0.1u 150K 2.7K 1% 0.1u IN4148 33u RED 150K IN4148 RDATA 33u BLUE 150K BDATA IN4148 33u GREEN 150K GDATA Headquarters No. 4, Creation Rd. III, Science-Based Industrial Park, Hsinchu, Taiwan TEL: 886-3-5770066 FAX: 886-3-5792646 http://www.winbond.com.tw/ Voice & Fax-on-demand: 886-2-7197006 Winbond Electronics (H.K.) Ltd. Rm. 803, World Trade Square, Tower II, 123 Hoi Bun Rd., Kwun Tong, Kowloon, Hong Kong TEL: 852-27516023 FAX: 852-27552064 Winbond Electronics North America Corp. Winbond Memory Lab. Winbond Microelectronics Corp. Winbond Systems Lab. 2730 Orchard Parkway, San Jose, CA 95134, U.S.A. TEL: 1-408-9436666 FAX: 1-408-9436668 Taipei Office 11F, No. 115, Sec. 3, Min-Sheng East Rd., Taipei, Taiwan TEL: 886-2-7190505 FAX: 886-2-7197502 Note: All data and specifications are subject to change without notice. -6- |
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