Rainbow-electronics W90P710CDG Bedienungsanleitung PDF herunterladen (Seite 263)

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101

W90P710CD/W90P710CDG

Publication Release Date: September 19, 2006

- 263 - Revision B2

BITS DESCRIPTIONS

[31:20] Reserved Reserved

[18] UNDRIS2 FIFO2 have no data for output to Panel

[17] UNDRIS1 FIFO1 have no data for output to Panel

[16] AHBERIS AHB master bus error status

[15:6] Reserved Reserved

[5] HSIS Timing Generator output a HSYNC pulse

[4] VSIS Timing Generator output a VSYNC pulse

[3] VLFINIS2 FIFO2 transfer one line stream complete

[2] VFFINIS2 FIFO2 transfer one frame stream complete

[1] VLFINIS1 FIFO1 transfer one line stream complete

[0] VFFINIS1 FIFO1 transfer one frame stream complete

LCD Controller is an AHB Master at AMBA and fetching video data from an AHB Slave such as SDRAM

or FLASH memory. If AHB Slave response ERROR for LCD Controller’s data request, AHBERIS will be

set.

If the data rate of output to LCD Panel is too fast and the data rate of fetch data from AMBA is too slow;

there are no data in FIFO for LCD Panel’s request, UNDRISx will be set. LCD Timing Generation register

need to be re-configured.

HSIS and VSIS provide information for firmware to know the status of LCD Panel.

VLFINISx and VFFINISx provide information for firmware to know how much data FIFO have fetched.

LCD Interrupt Clear Register (LCDINTC)

LCDINTC 0xFFF0_800C W LCD interrupt clear 0x0000_0000

1 2 ... 258 259 260 261 262 263 264 265 266 267 268 ... 551 552

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