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The GMS81C4040/GMS87C4060 is an advanced CMOS 8-bit microcontroller with 40K(60K) bytes of ROM. The device is one of GMS800 family. The HYUNDAI's GMS81C4040/GMS87C4060 is a powerful microcontroller which provides a highly flexible and cost effective solution to many TV applications. The GMS81C4040/GMS87C4060 provides the following standard features: 40K(60K) bytes of ROM, 1,536 bytes of RAM, 8-bit timer/counter .
GMS87C4060 Maximum Ratings
Supply voltage ........................................... -0.3 to +6.0 V Storage Temperature ................................-40 to +125 Voltage on any pin with respect to Ground (VSS) ............................................................... -0.3 to VDD+0.3 Maximum current out of VSS pin ...........................100 mA Maximum current into VDD pin ...............................80 mA Maximum current sunk by (IOL per I/O Pin) ...........20 mA Maximum output current sourced by (IOH per I/O Pin) .................................................................................8 mA Maximum current (IOL) ....................................... 80 mA Maximum current (IOH)....................................... 50 mA
GMS87C4060 Features
• 40K(60K) Bytes On-chip Program Memory • 1,536 Bytes of On-chip Data RAM (Included 256 bytes stack memory) • Instruction Cycle Time (ex:NOP) - 0.5us at 8MHz • 40 Programmable I/O pins - 33 I/O and 7 Output pins • Serial I/O : 8bit x 1ch • I2C Bus interface - Multimaster (2 Pairs interface pins) • A/D Converter : 8bit x 6ch (TBD LSB) • Pulse Width Modulation - 14bit x 1ch - 8bit x 6ch • Timer - Timer/Counter : 8bit x 4ch (16bit x 2ch) - Basic interval timer : 8bit x 1ch - Watch Dog Timer • Number of Interrupt sources : 18 • On Screen Display - Number of characters : 512 (6 characters are reserved for IC test) - Character size : 12 dots(X) x 16 dots(Y) - Character display size : Large, Medium, Small - DIsplay capability : 24Characters x 16 Line (Two line VRAM buffer) - Character, Back ground color : 16kinds - Special functions : Rounding, Outline, Sprite, Shadow,... • Buzzer Driving port - 500Hz ~ 250kHz @8MHz (Duty 50%) • Operating Range : 4.5V to 5.5V