SSV - VGA1-PC/104

PC/104 FLAT PANEL VGA CONTROLLER VGA1-PC/104

The VGA1-PC/104 is a PC/104 compatible, advanced color flat panel controller. The VGA1-PC/104 drives a variety of LCD flat panels including color active matrix TFT, color matrix STN, dual- scan color, and monochrome STN panels with 320 * 240 and 640 * 480 dots. A full spectrum of PC applications written for analog monitors and various video modes will run on the VGA1-PC/104 with 640 * 480 dots flat panels. The VGA1-PC/104 offers all neccessary panel control and power sequencing logic to prevent damage to the panels during power- up. The VGA1-PC/104 also offers an VGA CRT connector to provide simultaneous CRT and LCD operation.

The VGA1-PC/104 is based upon the Cirrus Logic GD6235 LCD VGA controller. It offers true packed- pixel addressing, color expansion for 8 bit- per- pixel graphics, and hardware cursor, thus improving Microsoft Windows performance. Other incorporated Cirrus Logic GD6235 features, such as memory write buffers and internal asynchronous display data FIFOs also boost performance. The Cirrus Logic GD6235 is fully compatible with the IBM VGA graphics standard at the register, gate, and BIOS levels. An onboard 512 Kbyte RAM (256K * 16 bits) provides the video memory for the Cirrus Logic GD6235. One 32 Kbyte PROM contains the VGA BIOS extension.

The VGA1 hardware and the onboard VGA BIOS extension PROM offers panel power management support. One important feature of the hardware power management support is the Backlight Power Switch. With this switch, the software can turn the panel CFL backlight on and off. The VGA BIOS offers three power save modes: standby mode, suspend mode, and backlight control mode. Standby mode is an automatic power save feature. Suspend mode provides the lowest power consumption. The backlight power down mode supports the Backlight Power Switch. This mode can be entered immediately by a BIOS function call or by a timer.

The VGA1 offers connectors for 8-bit (J1) or 16-bit PC/104 (J1/J2) in stackthrough or non- stackthrough version. The LCD panel signals are wired to a 40- pin connector. A 10- pin connector provides the VGA CRT signals. We offer a cable for this connector with a standard VGA monitor connector on the other end. For LCD panel backlight power down, the VGA1 offers two connectors: backlight power in (CFL POWER IN) and backlight power out (CFL POWER OUT). With a 2- pin power in connector, the VGA1 can supply the PC/104 stack with +5 VDC. This connector is wired direct to J1/J2. Two other connectors offers LCD panel contrast and backlight control.

VGA1 Technical Data

Supports color STN and TFT panels	Support for monochrome LCD panels
Panel format 320 * 240 or 640 * 480 dots	Simultaneous CRT and LCD operation
Up to 256 colors from a palette of 256K	512 Kbyte of onboard video RAM
Onboard PROM with BIOS extension	Fully compatible with IBM VGA standard
Vee contrast voltage generated	Auto-init and power sequencing
BIOS Power Management Support	Hardware Power Management Support
8/16-bit PC/104 interface	Stackthrough or non-stackthrough connector
PC/104 size 90 * 96 mm	only +5 VDC power
tbd mA current at 5 VDC	Operating temp. 0° to +70° C
Storage temp. -55° to +85° C	5% to 95% relative humidity n/c

VGA1 Ordering Information

PC/104 FLAT PANEL VGA CONTROLLER VGA1-PC/104. Cirrus Logic GD6235 LCD VGA controller with 512 Kbyte VRAM. Support for LCD flat panels including color active matrix TFT, color matrix STN, dual- scan color, monochrome STN panels with 320 * 240 or 640 * 480 dots, and analog CRT monitors. Simultaneous CRT and LCD operation. Standard VGA BIOS extension PROM with panel power management support. Hardware power management support. 8- bit or 16- bit PC/104 interface with stackthrough or non- stackthrough connector. PC/104 size 90 * 96 mm. Only +5 VDC power.

Ordercode	LCD Support	CRT Support	PC/104
V1104-10	NO	YES	8-bit stackthrough
V1104-20	YES	YES	8-bit stackthrough

Ordercode	Option
V1104-S16	16-bit PC/104 interface, stackthrough
V1104-NS8	8-bit PC/104 interface, non-stackthrough
V1104-NS16	16-bit PC/104 interface, non-stackthrough
V1104-WDRV1	Microsoft Windows Driver for TFT LCDs, 3.5" Disk