Features • Dot Inversion • Reduced audible and electrical noise for touch panel applications • Improved image quality • Supports pixel and sub-pixel inversion modes • Power Savings • Self-refreshed Partial Display Mode • Charge-sharing power saving functions • Backlight brightness PWM circuit • Standard Command Set • Registers initialized from on-chip EEPROM • Command-triggered profiles can change register settings for modes/gamma settings • Eliminates frequent host SW changes to update register settings • 8 user-defined display configurations • Programmable Settings • Display resolution and glass signal timing • Video interface timing auto-learning circuit • VID_XFR output reduces tearing in partial mode • Gamma curves and VCOM adjustment • Partial Display • Adjustable memory window size and location • 1, 3, 12 or 18–bit color depth • Partial window 2x upscale with border color • Alpha blending, including transparent mode • Interfaces • Low-speed serial interface for commands, register access and partial memory access • 18–bit RGB Video interface Description The FPD95220 is a 320–channel LTPS dot inversion driver with Partial Display Memory, and an 18–bit RGB video interface. It provides 320 output source drivers with a 1:3 glass multiplex ratio. It includes a 77,112–bit memory for partial display modes, a timing controller with glass interface level-shifters, a DC VCOM driver and glass power supply circuits. The output format can be configured to drive arbitrary display resolutions up to 320 RGB columns. The on-chip Partial Display Memory is configurable in window size, location and color depth. This memory can be used to self-refresh a region of the display in a reduced power state. The FPD95220 device also includes independent RGB gamma curve adjustments as well as user-definable color palettes for 1–bit and 3–bit Partial Display modes. A low-speed serial interface controls display operating modes and provides access to the Partial Display Memory. This interface can support both 8–bit and 9–bit protocols. A standard command set is supported to set display modes and operating parameters. Customized register profiles associated with commands are loaded from an on-chip EEPROM. Registers can also be directly accessed by using the Register Access Mode.

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Typical Application *click for larger image System with Parallel Video Interface

Datasheet

Title		Size	Date	Other Language
	FPD95220 320-Channel LTPS Dot Inversion Driver with Programmable Partial Display	149 Kbytes	5-Oct-07

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Reliability Metrics

Part Number	Process	EFR Reject	EFR Sample Size	PPM	LTA Rejects	LTA Device Hours	FITS	MTTF (Hours)
FPD95220DSCG	CMOS7	0	18406	0	0	1089000	4	309006723

Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

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