FPD87310 datasheet(19/28 Pages) NSC

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Pin Description (Continued)

Symbol

Pin Count

Type

Function

Reference for Reduced Swing Differential Outputs

GENERAL PURPOSE OUTPUTS

Symbol

Pin Count

Type

Function

GPO[9:0]

TO/OD

General Purpose Outputs (Programmable)

EEPROM INTERFACE

Symbol

Pin Count

Type

Function

EE_SD

I/OD

EEPROM Serial Data

EE_SC

EEPROM Clock

POWER SUPPLY

Symbol

Pin Count

Type

Function

DDA

FPD-Link PLL and Bandgap Power

DDD

FPD-Link Receiver Power

Digital Power

DDIO

Digital I/O Power

SSP

FPD-Link PLL Ground

SSA

FPD-Link Bandgap Ground

SSD

FPD-Link Receiver Ground

Digital Ground

SSIO

Digital I/O Ground

TEST/CONFIGURATION

Symbol

Pin Count

Type

Function

FIX_VERT

Selects VSYNC or ENAB for Vertical Timing

”0” = ENAB Vertical Timing

”1” = VSYNC Vertical Timing

FIX_HORIZ

Selects HSYNC or ENAB for Horizontal Timing

“0” = ENAB Horizontal Timing

“1” = HYNC Horizontal Timing

TEST[0,1,2,4,5]

Test/Configuration Pins

TEST[0]-Must be “0”

TEST[1]-Must be “0”

TEST[2] EEPROM Init Value Download Control

“0” - Downloaded every 5 frames

“1” - Downloaded once at Power-Up

TEST[4]-Must be “0”

TEST[5]-Must be “0”

Pin Type Legend

TTL Input

STI

Schmitt Trigger TTL Input

I/TO

TTL Input/TRI-STATE® Output

TRI-STATE Output

Open Drain Output

LVDSI

Low Voltage Differential Signal Input

RSDSO

Reduced Swing Differential Sgnal Output

Power

Ground

Appendix A: GPO (General

Purpose Output) Programming

Examples

The GPO control generation is based on the internal line

count and pixel count shown in

Figures 16, 17. Two pro-

grammable registers (Vertical Start and Vertical Duration)

control the vertical component of the control signal. This es-

tablishes at what line and for how many lines the control sig-

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