Cirrus Logic EP93xx User Manual

Page 234

Advertising
background image

7-52

DS785UM1

Copyright 2007 Cirrus Logic

Raster Engine With Analog/LCD Integrated Timing and Interface
EP93xx User’s Guide

7

7

7

DHORZ:

Double Horizontal - Read/Write

Writing DHORZ = ‘1’ forces the values of the defined bit-
fields in the

HClkTotal

,

HSyncStrtStop

,

HActiveStrtStop

,

HBlankStrtStop

, and

HClkStrtStop

registers to be doubled

(2X programmed value) when used.

0 - Disable

1 - Enable

EQUSER:

Equalization/Serration - Read/Write

If SYNCEN = ‘1’ and CSYNC = ‘1’ (both defined below),
writing EQUSER = ‘1’ forces equalization and serration
pulses to be inserted into the composite synchronization
signal on the V_CSYNC pin.

0 - Disable

1 - Enable

INTRLC:

Interlace - Read/Write

Writing INTRLC = ‘1’ enables interlaced frame timing.

0 - Disable

1 - Enable

INT:

Interrupt - Read/Write

If INTEN = ‘1’, an INT = ‘1’ status indicates that the end of
active video interrupt has occurred.

0 - No interrupt

1 - Interrupt occurred

Write “0” to clear, write “1” to test.

INTEN:

Interrupt Enable - Read/Write

Writing INTEN = ‘1’ enables the end of active video
interrupt.

0 - Disable
1 - Enable

PIFEN:

Parallel Interface Enable - Read/Write

0 - Enable interface for normal display operation
1 - Enable interface for Smart Panel operation

Writing PIFEN = ‘1’ redefines the signals on these pins for
Smart Panel operation:

Advertising