"MicroVGA is low-cost Microcontroller to VGA interface providing 80x25 16 color text mode (physical resolution is 800x600 at 60 Hz). This makes MicroVGA an ideal solution for user interface in embedded applications."
The MicroVGA Arduino library contains two examples:
You need MicroVGA firmware version 0.5 or higher to be able to use the Arduino MicroVGA library.
MicroVGA-text module, pins counted from left to right
More information can be found on MicroVGA arduino page.