GMS81C4040

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


Pinout




Specifications

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


Description

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 .